|
[
|
|
{
|
|
"question": "Celula :",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. este principalul organit celular",
|
|
"B. animal \u0103 con \u0163ine cloroplaste",
|
|
"C. func \u0163ioneaz \u0103 ca un sistem biologic \u00eenchis",
|
|
"D. reprezint \u0103 unitatea morfologic \u0103, func \u0163ionala \u015fi genetic \u0103 a materiei vii"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Citoplasma :",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. ocup \u0103 spa \u0163iul dintre membrana celular \u0103 \u015fi nucleu",
|
|
"B. umple veziculele aparatului Golgi",
|
|
"C. se deplaseaz \u0103 dinspre reticulul endoplasmatic spre aparatul Golgi",
|
|
"D. \u00een afara ei sunt situate organitele celulare"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Membrana celular \u0103 :",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. cuprinde dou \u0103 straturi de fosfolipide \u00een care sunt inclavate din loc \u00een loc proteine",
|
|
"B. con \u0163ine un strat extern fosfolipidic \u015fi unul intern proteic",
|
|
"C. are fosfolipide situate ordonat \u00eentre cele dou \u0103 straturi proteice",
|
|
"D. are permeabilitate pentru oricare substan \u0163\u0103"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Referitor la lizozomi :",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. sunt delimita \u0163i de o dubl \u0103 membran \u0103",
|
|
"B. asigur \u0103 respira \u0163ia celular \u0103",
|
|
"C. se divit meiotic",
|
|
"D. con \u0163in enzime hidrolitice"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Celula procariot \u0103 :",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. are nucleu",
|
|
"B. are perete celular rigid",
|
|
"C. este lipsit \u0103 de membrana celular \u0103",
|
|
"D. se grupeaz \u0103 form\u00e2nd \u0163esuturi"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Nucleul :",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. prezint \u0103 substan \u0163\u0103 fundamental \u0103 numit \u0103 matrice;",
|
|
"B. con \u0163ine mai pu \u0163in de 90 % din cantitatea de acizi nucleici din celul \u0103;",
|
|
"C. poart \u0103 informa \u0163ia genetic \u0103 pentru sinteza proteinelor;",
|
|
"D. se \u00eent\u00e2lne \u015fte \u00een majoritatea celulelor \u015fi este situat de obicei, periferic;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Peretele celular :",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. este un constituent comun tuturor celulelor;",
|
|
"B. la ciuperci este format din suberin \u0103;",
|
|
"C. se formeaz \u0103 cu participararea membranei plasmatice;",
|
|
"D. la bacterii este format predominant din celuloz \u0103 \u015fi hemiceluloz \u0103;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Ribozomii :",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. sunt constituen \u0163i celulari protoplasmatici;",
|
|
"B. con \u0163in ADN, lipide \u015fi unele metale;",
|
|
"C. m \u0103resc suprafa \u0163a de reac \u0163ie a membranei celulare;",
|
|
"D. au form \u0103 de discuri suprapuse cu micro- \u015fi macrovezicule;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Leucoplastele :",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. con \u0163in clorofil \u0103 \u015fi au rol \u00een fotosintez \u0103;",
|
|
"B. con \u0163in pigmen \u0163i galbeni, portocalii \u015fi ro\u015fii;",
|
|
"C. sunt incolore \u015fi au rol \u00een sinteza \u015fi depozitarea unor substan \u0163e;",
|
|
"D. sunt prezente \u015fi \u00een celulele animale;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Centrul celular :",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. apar \u0163ine exclusiv celulelor vegetale;",
|
|
"B. particip \u0103 la formarea fusului de diviziune;",
|
|
"C. se \u00eent\u00e2lne \u015fte numai la celulele animale;",
|
|
"D. \u00een alc \u0103tuirea lui apar 3-4 corpusculi numi \u0163i centrioli;"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Mitocondria :",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. asigur \u0103 func \u0163ia de digestie celular \u0103",
|
|
"B. particip \u0103 la formarea fusului de diviziune",
|
|
"C. capteaz \u0103 energie solar \u0103",
|
|
"D. are rol \u00een respira \u0163ia celular \u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cloroplastul :",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. sintetizeaz \u0103 A.T.P.",
|
|
"B. este prezent \u00een celula vegetal \u0103",
|
|
"C. con \u0163ine enzime cu rol digestiv",
|
|
"D. asigur \u0103 transformarea energiei chimice \u00een energie luminoas \u0103"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Descoper \u0103 enun \u0163ul incorect referitor la celula vegetal \u0103 :",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. are perete celular",
|
|
"B. are nucleoid",
|
|
"C. are plastide",
|
|
"D. are ribozomi"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Descoper \u0103 enun \u0163ul incorect referitor la vacuol \u0103 :",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. vacuolele celulelor vegetale sunt mari",
|
|
"B. celulele tinere au numeroase vacuole",
|
|
"C. provine din reticulul endoplasmatic",
|
|
"D. celulele b \u0103tr\u00e2ne au o vacuol \u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Profaza mitozei :",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. este mai lung \u0103 dec\u00e2t profaza meiozei;",
|
|
"B. cromozomii monocromatidici se fixeaz \u0103 pe filamentele fusului de diviziune cu ajutorul centromerului;",
|
|
"C. dispar membrana nuclear \u0103 \u015fi nucleolii;",
|
|
"D. dispare fusul nuclear;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Alege \u0163i enun \u0163ul incorect referitor la meioz \u0103 :",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. \u00een metafaza I cromozomii sunt tetracromatidici",
|
|
"B. \u00een telofaza I cromozomii bicromatidici migreaz \u0103 spre polii celulei",
|
|
"C. \u00een profaza II se formeaz \u0103 tetradele",
|
|
"D. la finalul telofazei II se formeaz \u0103 4 celule haploide"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. materni \u015fi paterni au aceea \u015fi origine",
|
|
"B. omologi din fiecare pereche, se separ \u0103 \u00eentre ei \u00een meioz \u0103",
|
|
"C. paterni sunt dominan \u0163i \u00een raport cu cromozomii materni",
|
|
"D. autozomi sunt numi \u0163i cromozomii sexului"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Fusul de diviziune :",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. asigur \u0103 formarea peretelui desp \u0103r\u0163itor care va separa celula-mam \u0103 \u00een cele dou \u0103 celule- fiice;",
|
|
"B. se formeaz \u0103 prin condensarea \u015fi fragmentarea cromatinei;",
|
|
"C. se formeaz \u0103 \u00een profaza diviziunii celulare directe;",
|
|
"D. se formeaz \u0103 numai \u00een timpul diviziunii nucleului, \u00een profaz \u0103;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Nucleul :",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. prezint \u0103 o membran \u0103 dubl \u0103, iar cea intern \u0103 este cutat \u0103;",
|
|
"B. este alc \u0103tuit din substan \u0163\u0103 fundamental \u0103 numit \u0103 strom \u0103;",
|
|
"C. con \u0163ine fibre de cromatin \u0103 alc \u0103tuite chimic din ADN, ARN \u015fi proteine;",
|
|
"D. este globulos sau aproape sferic, c\u00e2nd are pozi \u0163ie parietal \u0103;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "\u00cen interfaz \u0103 :",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. se dezorganizeaz \u0103 nucleolul \u015fi inveli \u015ful nuclear;",
|
|
"B. activitatea metabolic \u0103 a celulei este intens \u0103;",
|
|
"C. organitele celulare se dispun la polii celulei;",
|
|
"D. num \u0103rul de cromozomi este mare datorit \u0103 sintezei de ADN;"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Alege \u0163i afirma \u0163ia incorect \u0103 referitoare la nucleu :",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. con \u0163ine acizi nucleici \u015fi proteine",
|
|
"B. particip \u0103 la procesul reproducerii celulare",
|
|
"C. este delimitat de o membran \u0103 simpl \u0103, prevazut \u0103 cu pori",
|
|
"D. con \u0163ine 1-2 nucleoli"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Alege \u0163i enun \u0163ul incorect referitor la cromozomi :",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. sunt structuri permanente ale celulei",
|
|
"B. se autoreproduc",
|
|
"C. cei omologi au origine diferit \u0103",
|
|
"D. particip \u0103 la procesul de respira \u0163ie celular \u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii afla \u0163i \u00een mitoz \u0103 :",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. sunt monocromatidici \u00een profaz \u0103",
|
|
"B. sunt invizibili \u00een timpul metafazei",
|
|
"C. sunt monocromatidici \u00een anafaz \u0103",
|
|
"D. sunt lipsi \u0163i de centromer \u00een metafaz \u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Despre meioz \u0103 :",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. \u00een anafaza I cromozomii omologi din tetrad \u0103 sunt separa \u0163i",
|
|
"B. \u00een telofaza I cromozomii sunt monocromatidici",
|
|
"C. \u00een telofaza II cromozomii omologi fac schimb de segmente de A.",
|
|
"D.N. D. tetradele se formeaz \u0103 \u00een profaza II"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Despre diviziunea celular \u0103 :",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. zigotul este o celul \u0103 haploid \u0103",
|
|
"B. game \u0163ii rezult \u0103 \u00een urma diviziunii mitotice",
|
|
"C. celulele sexuale provin din celule haploide",
|
|
"D. cromozomii interfazici sunt despiraliza \u0163i"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "\u00cen urma monohibrid \u0103rii, rezult \u0103 \u00een F2 organisme homozigote recesive \u00een propor \u0163ie de :",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. 50 %;",
|
|
"B. 75 %;",
|
|
"C. 25 %;",
|
|
"D. 100 %;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Transmiterea caracterelor ereditare :",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. se realizeaz \u0103 cu ajutorul factorilor ereditari situa \u0163i \u00een gene;",
|
|
"B. este determinat \u0103 de interac \u0163iunea dintre fenotip \u015fi mediul de via \u0163\u0103;",
|
|
"C. legile de transmitere a caracterelor ereditare au fost elaborate de T.H. Morgan;",
|
|
"D. este determinat \u0103 prioritar de genotip;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Tipul \u0093Drosophila\u0094 \u00een determinismul cromozomial al sexelor :",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. este caracteristic tuturor insectelor;",
|
|
"B. sexul femel se caracterizeaz \u0103 prin doi heterozomi diferi \u0163i;",
|
|
"C. sexul mascul este homogametic;",
|
|
"D. apar \u0163ine \u015fi unor specii de plante (spanac, hamei, c\u00e2nep \u0103);"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "ADN-ul :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. este prezent numai \u00een citoplasma celular \u0103;",
|
|
"B. nucleotida sa con \u0163ine riboz \u0103;",
|
|
"C. are \u00een constitu \u0163ia sa ca baz \u0103 azotat \u0103 pirimidinic \u0103, uracilul;",
|
|
"D. intr \u0103 \u00een structura tuturor eucariotelor;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Prin denaturare :",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. ADN-ul r \u0103m\u00e2ne monocatenar dac \u0103 r\u0103cirea solu \u0163iei se face treptat;",
|
|
"B. se formeaz \u0103 dou \u0103 molecule de ADN dup \u0103 modelul semiconservativ;",
|
|
"C. ADN-ul \u00ee \u015fi reface structura dublu catenar \u0103 dac \u0103 solu \u0163ia este r \u0103cit\u0103 brusc;",
|
|
"D. ADN-ul devine monocatenar"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Despre replicarea ADN :",
|
|
"question_number": "31",
|
|
"options": [
|
|
"A. molecula nou format \u0103 de ADN este monocatenar \u0103",
|
|
"B. ambele catene ale moleculei de ADN nou sintetizate sunt noi",
|
|
"C. catena nou \u0103 serve \u015fte ca model pentru formarea ARN",
|
|
"D. catena veche serve \u015fte ca matri \u0163\u0103 pentru formarea unei catene noi"
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Alege \u0163i afirma \u0163ia corect \u0103 referitoare la structura unei nucleotide :",
|
|
"question_number": "32",
|
|
"options": [
|
|
"A. con \u0163ine doar baze azotate",
|
|
"B. con \u0163ine dou \u0103 baze azotate",
|
|
"C. con \u0163ine o baz \u0103 azotat \u0103 \u015fi un radical fosforic",
|
|
"D. con \u0163ine o baz \u0103 azotat \u0103, o pentoz \u0103 \u015fi un radical fosforic"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Drosophila melanogaster prezint \u0103 urm \u0103toarele avantaje ca material de studiu :",
|
|
"question_number": "33",
|
|
"options": [
|
|
"A. prezint \u0103 cromozomi uria \u015fi \u00een structura tuturor celulelor;",
|
|
"B. are numai 8 perechi de cromozomi diferi \u0163i morfologic;",
|
|
"C. este prolific \u0103;",
|
|
"D. toate variantele sunt corecte;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Fenomenul de linkage :",
|
|
"question_number": "34",
|
|
"options": [
|
|
"A. const \u0103 \u00een shimbul reciproc de gene \u00eentre cromozomi omologi;",
|
|
"B. nu vine \u00een contradic \u0163ie cu nici una din legile lui Mendel;",
|
|
"C. se manifest \u0103 numai \u00een cazul genelor plasate \u00een acela \u015fi cromozom;",
|
|
"D. a fost demonstrat de G. Mendel;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Recombin \u0103rile genetice :",
|
|
"question_number": "35",
|
|
"options": [
|
|
"A. sunt caracteristice numai eucariotelor;",
|
|
"B. determin \u0103 o variabilitate limitat \u0103 a geme \u0163ilor din punct de vedere genetic;",
|
|
"C. intercromozomiale, reprezint \u0103 schimbul de gene \u00eentre cromozomi pereche;",
|
|
"D. dau o explica \u0163ie \u015ftiin\u0163ific\u0103 variabilit \u0103\u0163ii organismelor;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Recombinarea genetic \u0103 la bacterii se realizeaz \u0103 prin :",
|
|
"question_number": "36",
|
|
"options": [
|
|
"A. recombinare intracromozomial \u0103;",
|
|
"B. recombinare intercromozomal \u0103;",
|
|
"C. conjugare;",
|
|
"D. conversie genic \u0103;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Plasmagenele sunt localizate \u00een :",
|
|
"question_number": "37",
|
|
"options": [
|
|
"A. plasmide;",
|
|
"B. cromozomi;",
|
|
"C. ribozomi;",
|
|
"D. organite;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii ajung la polii celulei \u00een :",
|
|
"question_number": "38",
|
|
"options": [
|
|
"A. profaz \u0103;",
|
|
"B. anafaz \u0103;",
|
|
"C. metafaz \u0103;",
|
|
"D. telofaz \u0103;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Fusul de diviziune este realizat de :",
|
|
"question_number": "39",
|
|
"options": [
|
|
"A. lizozomi;",
|
|
"B. ribozomi;",
|
|
"C. centrozomi;",
|
|
"D. centrioli;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "George Emil Palade a descoperit :",
|
|
"question_number": "40",
|
|
"options": [
|
|
"A. mitocondriile;",
|
|
"B. cloroplastele;",
|
|
"C. ribozomii;",
|
|
"D. lizozomii;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Organite celulare care prezint \u0103 o membran \u0103 dubl \u0103 sunt :",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. nucleul;",
|
|
"2. mitocondriile;",
|
|
"3. cloroplastele;",
|
|
"4. ribozomii;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Despre organitele celulei eucariote :",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. reticulul endoplasmatic, aparatul Golgi, lizozomii, vacuolele au membran \u0103 simpl \u0103;",
|
|
"2. ribozomii, centriolii, cilii, flagelii sunt lipsi \u0163i de membran \u0103;",
|
|
"3. nucleul, plastidele,mitocondriile au membran \u0103 dubl \u0103;",
|
|
"4. reticulul endoplasmatic, aparatul Golgi, ribozomii au membran \u0103 dubl \u0103;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Organite din celula eucariot \u0103 purt \u0103toare de informa \u0163ie genetic \u0103 proprie :",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. Plastidele;",
|
|
"2. Dictiozomii;",
|
|
"3. Mitocondriile;",
|
|
"4. RE;"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Lizozomii :",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. sunt s \u0103cule \u0163i plini cu ap \u0103",
|
|
"2. au rol \u00een sinteza proteinelor",
|
|
"3. sunt delimita \u0163i de o membran \u0103 dubl \u0103",
|
|
"4. se formeaz \u0103 din reticulul endoplasmatic"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Mitocondriile :",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. sunt delimitate de o membran \u0103 simpl \u0103;",
|
|
"2. asigur \u0103 respira \u0163ia celular \u0103;",
|
|
"3. con \u0163in lipide cu rol oxido-reduc \u0103tor",
|
|
"4. con \u0163in ADN propriu;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Citoplasma :",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. se prezint \u0103 \u00een stare de gel sau sol",
|
|
"2. se afl \u0103 \u00een mi \u015fcare continu \u0103",
|
|
"3. cuprinde organitele celulare",
|
|
"4. devine fluid \u0103 la temperaturi sc \u0103zute ale mediului extracelular"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Reticulul endoplasmatic :",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. asigur \u0103 func \u0163ia de respira \u0163ie celular \u0103",
|
|
"2. se poate asocia cu ribozomii",
|
|
"3. este delimitat de o dubl \u0103 membran \u0103",
|
|
"4. acumuleaz \u0103 proteine"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Plastidele :",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. amiloplastele con \u0163in pigmen \u0163i carotenoizi",
|
|
"2. cloroplastele au creste cu enzime oxidoreduc \u0103toare",
|
|
"3. sunt prezente \u00een celula animal \u0103",
|
|
"4. pot con \u0163ine pigmen \u0163i clorofilieni"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Sintezele organice au loc \u00een :",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. reticulul endoplasmatic;",
|
|
"2. aparatul Golgi;",
|
|
"3. ribozomi;",
|
|
"4. lizozomi;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Mitoza :",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. fusul de diviziune apare \u00een interfaz \u0103;",
|
|
"2. \u00een metafaz \u0103, cromozomii dispu \u015fi \u00een tetrade sunt situa \u0163i \u00een planul ecuatorial al celulei;",
|
|
"3. formeaz \u0103 celule-fiice haploide, identice;",
|
|
"4. \u00een interfaz \u0103 se dubleaz \u0103 cantitatea de ADN;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Musculi \u0163a de o \u0163et :",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. are celule somatice cu n=4",
|
|
"2. are \u00een celulele somatice 3 perechi de cromozomi autozomi",
|
|
"3. cromozomii sexului la femel \u0103 sunt diferi \u0163i",
|
|
"4. cromozomii sexului la mascul se noteaz \u0103 XY"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Fazele ciclului celular se desf \u0103\u015foar\u0103 \u00een urmatoarea ordine :",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. profaz \u0103, interfaz \u0103, anafaz \u0103, telofaz \u0103",
|
|
"2. anafaz \u0103, profaz \u0103, metafaz \u0103, telofaz \u0103",
|
|
"3. interfaz \u0103, profaz \u0103, anafaz \u0103, metafaz \u0103, telofaz \u0103",
|
|
"4. interfaz \u0103, profaz \u0103, metafaz \u0103, anafaz \u0103, telofaz \u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Celulele corpului :",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. se numesc \u015fi celule somatice;",
|
|
"2. au un num \u0103r redus de cromozomi (n);",
|
|
"3. au un num \u0103r dublu de cromozomi (2n);",
|
|
"4. se numesc haploide;"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Incluziunile ergastice :",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. pot fi de natur \u0103 organic \u0103 (sulf);",
|
|
"2. sunt produ \u015fi ai metabolismului celular;",
|
|
"3. \u00ee \u015fi au originea tot \u00een membrana celular \u0103;",
|
|
"4. pot fi de natur \u0103 anorganic \u0103 (granule de carbonat de calciu);"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Vacuolele :",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. prezint \u0103 un con \u0163inut numit suc celular;",
|
|
"2. sunt compartimente delimitate de membrane speciale- tonoplast;",
|
|
"3. acumuleaz \u0103 diferite substan \u0163e anorganice \u015fi organice dizolvate total sau par \u0163ial \u00een ap \u0103;",
|
|
"4. au de obicei form \u0103 sferic \u0103 \u015fi sunt \u00een num \u0103r variabil;"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Ce este citoplasma :",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. constituentul fundamental al celulei vii;",
|
|
"2. sediul cloroplastelor;",
|
|
"3. sediul condriozomului;",
|
|
"4. o forma \u0163iune lamelar \u0103;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "\u00cen profaza mitozei :",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. se dezorganizeaz \u0103 fusul de diviziune;",
|
|
"2. apar membrana nuclear \u0103 \u015fi nucleolii;",
|
|
"3. cromozomii bicromatidici sunt atra \u015fi spre cei doi poli ai celulei;",
|
|
"4. se individualizeaz \u0103 cromozomii;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Importan \u0163a meiozei const \u0103 \u00een :",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. formarea celulelor diploide;",
|
|
"2. formarea celulelor reproduc \u0103toare;",
|
|
"3. formarea celulelor somatice;",
|
|
"4. genereaz \u0103 diversitate \u00een lumea vie;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Peretele celular la ciuperci con \u0163ine :",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. glicogen;",
|
|
"2. celuloz \u0103;",
|
|
"3. ulei;",
|
|
"4. chitin \u0103;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Profaza II a meiozei :",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. este foarte scurt \u0103;",
|
|
"2. dezorganizarea \u00eenveli \u015fului nuclear este sincronizat \u0103 cu formarea fusului de diviziune;",
|
|
"3. cromozomii sunt bicromatidici;",
|
|
"4. cromozomii-fii, denumi \u0163i \u015fi cromatide, se dispun \u00een placa metafizic \u0103;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Centromerul cromozomului :",
|
|
"question_number": "61",
|
|
"options": [
|
|
"1. fixeaz \u0103 cromozomul de filamentele fusului de diviziune;",
|
|
"2. une \u015fte cromatidele;",
|
|
"3. se poate eviden \u0163ia la microscopul electronic;",
|
|
"4. este o structur \u0103 acromatic \u0103;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "62",
|
|
"options": [
|
|
"1. alc \u0103tuiesc genotipul unui organism",
|
|
"2. sunt alc \u0103tui\u0163i din c\u00e2te doi centromeri;",
|
|
"3. sunt 46 perechi \u00een fiecare celul \u0103 a corpului uman;",
|
|
"4. pot fi num \u0103ra\u0163i \u00een metafaza mitozei;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "63",
|
|
"options": [
|
|
"1. sunt structuri permanente ale celulei;",
|
|
"2. rezult \u0103 din organizarea cromatinei;",
|
|
"3. sunt \u00een num \u0103r constant \u015fi caracteristic pentru fiecare specie;",
|
|
"4. \u00een celulele reproduc \u0103toare \u015fi somatice, num \u0103rul de cromozomi este acela \u015fi;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Nucleul con \u0163ine :",
|
|
"question_number": "64",
|
|
"options": [
|
|
"1. membrana nuclear \u0103;",
|
|
"2. nucleoplasma;",
|
|
"3. 1-2 nucleoli;",
|
|
"4. cromozomi;"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Discurile grana :",
|
|
"question_number": "65",
|
|
"options": [
|
|
"1. se g \u0103sesc \u00een mitocondrii;",
|
|
"2. se g \u0103sesc \u00een cloroplaste;",
|
|
"3. se g \u0103sesc \u00een ribozomi;",
|
|
"4. con \u0163in clorofil \u0103;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Legea I a lui Mendel :",
|
|
"question_number": "66",
|
|
"options": [
|
|
"1. \u00een F1 factorul ereditar recesiv nu se exprim \u0103",
|
|
"2. game \u0163ii indivizilor hibrizi con \u0163in factori ereditari pereche",
|
|
"3. indivizii hibrizi din F 1 sunt heterozigo \u0163i",
|
|
"4. \u00een F 2 indizivii au fenotip identic"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Legea a II-a a lui Mendel :",
|
|
"question_number": "67",
|
|
"options": [
|
|
"1. \u00een F 2 apar indivizi cu fenotip identic;",
|
|
"2. to \u0163i indivizii din F 1 au fenotip identic;",
|
|
"3. raportul de segregare \u00een F2 este de 3:1; F",
|
|
"4. hibrizii rezulta \u0163i \u00een F1 formeaz \u0103 patru tipuri de game \u0163i femeli \u015fi patru tipuri de game \u0163i masculi;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Teoria cromozomial \u0103 a eredit \u0103\u0163ii :",
|
|
"question_number": "68",
|
|
"options": [
|
|
"1. genele sunt a \u015fezate succesiv \u00een cromozomi;",
|
|
"2. cromozomii din acelea \u015fi gene se transmit \u00eenl \u0103n\u0163uit;",
|
|
"3. \u00eentre cromozomii omologi se realizeaz \u0103 crossing-over;",
|
|
"4. genele alele nu se afl \u0103 \u00een acela \u015fi locus;"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "69",
|
|
"options": [
|
|
"1. sexului din celulele diploide pot fi neomologi;",
|
|
"2. zigotului au origine matern \u0103 \u015fi patern \u0103;",
|
|
"3. autozomali formeaz \u0103 22 perechi \u00een fiecare celul \u0103 2n din corpul uman;",
|
|
"4. sunt situa \u0163i \u00een gene;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "\u00cen concep \u0163ia morganist \u0103 :",
|
|
"question_number": "70",
|
|
"options": [
|
|
"1. toate genele sunt plasate \u00een cromozomi;",
|
|
"2. distan \u0163a \u00eentre gene pe cromozomi este variabil \u0103;",
|
|
"3. genele sunt dispuse numai liniar;",
|
|
"4. distan \u0163a \u00eentre gene este uniform \u0103;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Crossing-overul :",
|
|
"question_number": "71",
|
|
"options": [
|
|
"1. are loc numai \u00een meioz \u0103;",
|
|
"2. poate avea loc \u015fi \u00een interiorul genei;",
|
|
"3. are loc numai \u00een mitoz \u0103;",
|
|
"4. poate fi dublu, triplu sau multiplu;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "La Mirabilis jalapa din \u00eencruci \u015farea unor plante cu flori ro \u015fii cu plante cu flori albe, rezult \u0103 \u00een F2 :",
|
|
"question_number": "72",
|
|
"options": [
|
|
"1. 50% plante cu flori roz;",
|
|
"2. 50% plante homozigote;",
|
|
"3. 50% plante heterozigote;",
|
|
"4. 50% plante cu flori ro \u015fii;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "La ceap \u0103 num \u0103rul de cromozomi din celulele diploide este de :",
|
|
"question_number": "73",
|
|
"options": [
|
|
"1. 10;",
|
|
"2. 20;",
|
|
"3. 8;",
|
|
"4. 16;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Genele sex-linkate :",
|
|
"question_number": "74",
|
|
"options": [
|
|
"1. se transmit \u00een mod egal la ambele sexe;",
|
|
"2. sunt localizate \u00een autozomi;",
|
|
"3. se transmit \u00een descenden \u0163\u0103 pe linie matern \u0103;",
|
|
"4. sunt localizate \u00een heterozomi;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "G. Mendel a elaborat urmatoarele legi \u015fi teorii :",
|
|
"question_number": "75",
|
|
"options": [
|
|
"1. teoria micelar \u0103;",
|
|
"2. legea purit \u0103\u0163ii game \u0163ilor;",
|
|
"3. plasarea linear \u0103 a genelor \u00een cromozomi;",
|
|
"4. legea segreg \u0103rii independente a perechilor de caractere;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Masculul la D. melanogaster este :",
|
|
"question_number": "76",
|
|
"options": [
|
|
"1. YO;",
|
|
"2. XY;",
|
|
"3. XO;",
|
|
"4. XY;"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Despre cromozomi :",
|
|
"question_number": "77",
|
|
"options": [
|
|
"1. sunt structuri permanente ale celulei",
|
|
"2. se autoreproduc",
|
|
"3. asigur \u0103 transmiterea caracterelor ereditare",
|
|
"4. se g \u0103sesc ca num \u0103r par \u00een celulele somatice"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Factorii ereditari :",
|
|
"question_number": "78",
|
|
"options": [
|
|
"1. se g \u0103sesc \u00een cromozomi",
|
|
"2. se separ \u0103 independent \u00een timpul meiozei",
|
|
"3. se g \u0103sesc perechi \u00een celulele somatice",
|
|
"4. se manifest \u0103 identic pentru a exprima fenotipic un anumit caracter"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Alege enun \u0163ul/enun \u0163urile corect/e :",
|
|
"question_number": "79",
|
|
"options": [
|
|
"1. factor dominant = factor ereditar care se exprim \u0103 fenotipic;",
|
|
"2. genotip = totalitatea genelor unui organism;",
|
|
"3. organism heterozigot = con \u0163ine factori ereditari diferi \u0163i, care exprim \u0103 acela \u015fi caracter;",
|
|
"4. hibridare = procesul de \u00eencrucisare \u00eentre doi indivizi diferi \u0163i;"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Cromozomii afla \u0163i \u00een mitoz \u0103 :",
|
|
"question_number": "80",
|
|
"options": [
|
|
"1. sunt bicromatidici \u00een profaz \u0103;",
|
|
"2. sunt foarte condensa \u0163i \u00een metafaz \u0103;",
|
|
"3. sunt monocromatidici \u00een telofaz \u0103;",
|
|
"4. dispar \u00een anafaz \u0103;"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2004"
|
|
},
|
|
{
|
|
"question": "Aparatul Golgi:",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. lipse\u015fte \u00een celula animal\u0103;",
|
|
"B. este bine dezvoltat \u00een celulele glandulare;",
|
|
"C. prezint\u0103 prelu ngiri numite criste;",
|
|
"D. este delimitat de tonoplast."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cloroplastele:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. sunt lipsite de pigmen\u0163i;",
|
|
"B. sunt prezente numai \u00een celula animal\u0103;",
|
|
"C. con\u0163in material genetic propr iu;",
|
|
"D. asambleaz\u0103 aminoacizii \u00een proteine."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Peretele celular este alc\u0103tuit din:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. chitin\u0103 la fungi ;",
|
|
"B. celuloz\u0103 la bacterii ;",
|
|
"C. aleuron\u0103 la alge;",
|
|
"D. murein\u0103 la eucariote."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cromoplastel e:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. depoziteaz\u0103 substan\u0163e de rezerv\u0103;",
|
|
"B. constituie atractan\u0163i pentru insecte \u015fi p\u0103s\u0103ri;",
|
|
"C. con\u0163in fosfataze;",
|
|
"D. nu au rol ecologic."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Mitocondriile:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. prezint\u0103 o membran\u0103 extern\u0103 pliat\u0103;",
|
|
"B. con\u0163in numai ARN mitocondrial;",
|
|
"C. elibereaz\u0103 energie, prin procese de oxidare a substan\u0163elor organice;",
|
|
"D. au rol \u00een sinteza proteinelor nucle are."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "La nivelul ribozomilor e xist\u0103:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. exclusiv catene polipeptidice;",
|
|
"B. molecule de ARN \u015fi proteine;",
|
|
"C. exclusiv ARN mesager;",
|
|
"D. trei subunit\u0103\u0163i: mare, mijlocie \u015fi mic\u0103."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Tran sportul activ:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. se poate realiza prin difuziune facilitat\u0103;",
|
|
"B. depinde de vacuom;",
|
|
"C. nu necesit\u0103 consum energetic;",
|
|
"D. necesit\u0103 enzime ATP -azice."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Plasmoliza:",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. are loc datorit\u0103 asimetriei membranelor;",
|
|
"B. poate fi urmat\u0103 de deplasmoliz\u0103;",
|
|
"C. se datoreaz\u0103 cre\u015fterii volumului celular;",
|
|
"D. reprezint\u0103 p\u0103trunderea apei \u00een vacuol\u0103 \u015fi cre\u015fterea turgescen\u0163ei."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Prin osmoza:",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. plasmalema se contracta;",
|
|
"B. volumul ce lulei creste;",
|
|
"C. moleculele dintr -o solutie traverseaza membrana semipermeabila, de la concentratie mare la concentratie scazuta;",
|
|
"D. celula raspunde la temperaturi prea scazute sau prea ridicate;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Meioza :",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. are tetrade \u00een placa ecuatorial\u0103 \u00een metafaza I;",
|
|
"B. este o diviziune directa;",
|
|
"C. se desf \u0103\u015foar\u0103 \u00een 3 etape succesive;",
|
|
"D. conserva numarul de cromozomi ai celulei mame."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Conform legilor mendeliene ale eredit\u0103\u0163ii:",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. are loc un schimb de gene intre cromozomii omologi;",
|
|
"B. codominan \u0163a se manifest\u0103 prin pre zen\u0163a genelor cu efect letal;",
|
|
"C. game\u0163ii sunt totdeauna puri d.p.d.v. genetic ;",
|
|
"D. hibridarea este un proces de aut ofecundare."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Fenomenul de crossing -over se re alizeaz\u0103 \u00een:",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. anafaza mitozei;",
|
|
"B. metafaza I a meiozei ;",
|
|
"C. profaza II a meiozei;",
|
|
"D. profaza I a meiozei."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Celula veget al\u0103 se deosebe \u0219te de cea animal\u0103 prin prezen \u021ba:",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. cromozomilor \u0219i a ribozomilor;",
|
|
"B. membranei \u0219i a lizozomilor;",
|
|
"C. perete lui celular \u0219i a cloroplastelor;",
|
|
"D. mitocondriilor \u0219i a nucleului."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Diviziunea direct\u0103:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. este \u00eent\u00e2lnit\u0103 la toate celulele eucariote;",
|
|
"B. are loc \u00een celulele haploide de tipul celulelor sanguine;",
|
|
"C. se caracterizeaza prin neindividualizarea cromozomilor omologi;",
|
|
"D. contribuie la formarea peret elui celular."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Nucleolul:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. se dezorganizeaz\u0103 \u00een interfaz\u0103;",
|
|
"B. are rol \u00een producerea lizozomilor;",
|
|
"C. con\u0163ine exclusiv ADN;",
|
|
"D. are rol \u00een biogeneza ribozomilor."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Membrana plasmatic\u0103:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. este de natur\u0103 glicoproteic\u0103;",
|
|
"B. nu prezinta canale ionice;",
|
|
"C. este un cito schelet proteic;",
|
|
"D. este polarizata electric."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "La nivelul ribozomilor exist\u0103:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. criste si enzime ale lantului respirator;",
|
|
"B. molecule de ARN \u015fi proteine;",
|
|
"C. o matrice glicoproteica;",
|
|
"D. trei subunit\u0103\u0163i: mare, mijlocie \u015fi mic\u0103."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cromozomii:",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. stocheaz\u0103 informa\u0163ia genetic\u0103;",
|
|
"B. au dou\u0103 cromatide diferite din punct de vedere biochimic \u015fi genetic;",
|
|
"C. num\u0103rul de cromozomi nu reprezint\u0103 o caracteristic\u0103 a speciei;",
|
|
"D. nu sunt alcatuiti din acizi nucleici."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Au \u00eenveli\u015f dublu :",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. cloroplastele;",
|
|
"B. ribozomii;",
|
|
"C. nucleoidul;",
|
|
"D. nucleolii."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cea mai important\u0103 rezerv\u0103 glucidic\u0103 din celulele vegetale este:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. glicogenul;",
|
|
"B. clorofila;",
|
|
"C. amidonul;",
|
|
"D. celuloza."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cristele mitocondriale :",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. se formeaz\u0103 prin invaginarea membranei externe a mito condriilor;",
|
|
"B. se formeaz\u0103 prin invaginarea membranei interne a mitocondriilor;",
|
|
"C. pot avea doar forma sferic\u0103;",
|
|
"D. con\u0163in stroma."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Grana:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. este prezent\u0103 \u00een structura mitocondriilor;",
|
|
"B. este o structur\u0103 membranar\u0103;",
|
|
"C. este prezent\u0103 \u00een celulele procariote;",
|
|
"D. particip\u0103 la realizarea mi\u015fc\u0103rilor citoplasmatice."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "George Emil Palade, laureat al premiului Nobel, a descoperit :",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. mitocodriile;",
|
|
"B. cloroplastele;",
|
|
"C. ribozomii;",
|
|
"D. lizozomii."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Mitocondriile:",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. stocheaz\u0103 energia \u00een moleculele de ATP;",
|
|
"B. au rol \u00een sinteza proteinelor;",
|
|
"C. au rol \u00een digestia celular\u0103;",
|
|
"D. coordoneaz\u0103 activitat ea celular\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Membrana celular\u0103:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. se prezint\u0103 ca un sistem coloidal;",
|
|
"B. are o structur\u0103 polizaharidic\u0103;",
|
|
"C. are permeabilitate selectiv\u0103;",
|
|
"D. delimiteaz\u0103 nucleul celulei."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "In telofaza mitozei au loc urm\u0103toarele fenomene :",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. dispunerea cromozomilor \u00een plan ecu atorial;",
|
|
"B. clivarea longitudinala a cromozomilor;",
|
|
"C. reapar nucleul \u015fi membrana nuclear\u0103;",
|
|
"D. ajung la polii celulei cromozomi bicromatidici ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "La sf\u00e2r\u015fitul meiozei se formeaz\u0103:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. dou\u0103 celule haploide;",
|
|
"B. dou\u0103 celule diploide;",
|
|
"C. patru celule haploide;",
|
|
"D. patru celule dipl oide;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Constituien\u0163ii celulari autodivizibili sunt urm\u0103torii, CU EXCEP\u0162IA:",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. lizozomii;",
|
|
"B. mitocondriile;",
|
|
"C. cloroplastele;",
|
|
"D. nucleul."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "\u00cen anafaza mitotic\u0103 :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. migreaz\u0103 c\u0103tre polii celulei cromozomi monocromatidici;",
|
|
"B. membrana nuclear\u0103 reapare;",
|
|
"C. centrozomul organiz eaz\u0103 fusul de diviziune;",
|
|
"D. se formeaz\u0103 membrana celular\u0103 ce va separa celulele fiice."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Culoarea galben\u0103 a boabelor de maz\u0103re este determinat\u0103 de gena dominant\u0103 G. Indivizii homozigo \u0163i pentru acest caracter:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. Con\u0163in gena G \u00een dublu exemplar;",
|
|
"B. Manifest\u0103 carac terul recesiv;",
|
|
"C. Produc patru tipuri de game \u0163i;",
|
|
"D. Produc game \u0163i impuri din punct de vedere genetic."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Ribozomii:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. contin enzime hidrolitice;",
|
|
"2. au rol in sintezele proteice;",
|
|
"3. lipsesc din celula vegetala;",
|
|
"4. contin proteine si ARN."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Crossing - over - ul:",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. are loc in profaza II a meiozei",
|
|
"2. are loc in profaza I a meiozei",
|
|
"3. reprezinta o recombinare in tercromozomiala",
|
|
"4. reprezinta o recombinare intracrom ozomiala"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cromozomii sunt bicromatidici in:",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. anafaza I a meiozei",
|
|
"2. metafaza II a meiozei",
|
|
"3. metafaza mitozei",
|
|
"4. anafaza II a meiozei"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Moleculele traverseaza o membrana semipermeabila in caz de:",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. difuziune",
|
|
"2. gelificare",
|
|
"3. solubilitate",
|
|
"4. osmoza"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Vacuolele:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. sunt m\u0103rginite de tonoplast",
|
|
"2. sunt structuri permanente \u00een celulele vegetale",
|
|
"3. pot depozita substan\u0163e de rezerv\u0103 \u015fi nutrienti",
|
|
"4. con\u0163in ARN plastidial si enzime implicate in biosinteze"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Lamela mijlocie:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. este de natura pectica",
|
|
"2. intervine in sinteza ribozomilor",
|
|
"3. solidarizeaza celulele invecinate",
|
|
"4. intervine in formarea tesutului excito -conductor"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cloroplastele fac parte din:",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. condriozom",
|
|
"2. vacuom",
|
|
"3. mezozom",
|
|
"4. plastidom"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Referitor la compozitia chimica a celulelor:",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. glicogenul reprezinta o forma de depozitare a glucozei in celule",
|
|
"2. pentozele intra in alcatuirea ADN -ului",
|
|
"3. proteinele indeplinesc si rol structural",
|
|
"4. sarurile minerale se pot gasi sub forma de ioni"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Totalitatea \u00eensu\u015firilor unui organism reprezinta:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. genotipul",
|
|
"2. genofondul",
|
|
"3. centromerul",
|
|
"4. fenotipul"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Doi parinti cu ochi caprui :",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1. pot avea copii cu ochi albastri in proportie de 50%",
|
|
"2. pot avea copii cu ochi caprui in proportie de 50%",
|
|
"3. pot avea numai copii cu ochi caprui",
|
|
"4. pot avea in proportie de 25 % copii cu ochi caprui"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Pozitia ocupata de gena in cromozom se numeste:",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. segregare",
|
|
"2. mezozom",
|
|
"3. linkage",
|
|
"4. locus"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Meioza:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. poate dura chiar ani de zile",
|
|
"2. reduce la jumatate numarul de cromozomi ai celulei care se divide",
|
|
"3. se intalneste in gametogeneza",
|
|
"4. se mai numeste diviziune directa"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Cromozomii sunt bicromatidici in:",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. anafaza I a m eiozei",
|
|
"2. telofaza I a meiozei",
|
|
"3. metafaza mitozei",
|
|
"4. metafaza II a meiozei"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Plastidele nefotosintetizatoare sunt :",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. rodoplastele",
|
|
"2. cromoplastele",
|
|
"3. feoplastele",
|
|
"4. leucoplastele"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Proteinele care intra in structura biomembranelor pot fi:",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. atasate bistratului fosfolipidic",
|
|
"2. transmembrane",
|
|
"3. cu o portiune hidrofila si una hidrofoba",
|
|
"4. pot pluti pe fata interioara sau exterioara a bistratului fosfolipidic"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "\u00cen telofaza mitotic\u0103:",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. cromozomii omologi se cupleaz\u0103 \u00een bivalen\u0163i;",
|
|
"2. are loc schimbul de segmente cromozomiale \u00eentre omologi;",
|
|
"3. apare evident fe nomenul de clivaj;",
|
|
"4. cromozomii sunt scurta \u021bi la ma xim."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Aparatul Golgi:",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. prezint\u0103 membran\u0103 dubl\u0103 ;",
|
|
"2. prezint\u0103 ARN ;",
|
|
"3. prezint\u0103 enzime respiratorii;",
|
|
"4. prezint\u0103 pigmen\u0163i clorofilieni."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "\u00cen profaza mitotic\u0103 au loc urm\u0103toarele fenomene:",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. centrozomul organizeaz\u0103 fusul de diviziune;",
|
|
"2. membrana nuclear\u0103 \u015fi nucleolii se dezorganizeaz\u0103;",
|
|
"3. filamentele de cromatin\u0103 se condenseaz\u0103 form\u00e2nd cromozomi ;",
|
|
"4. cromozomii se dispun \u00een placa ecuatorial\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Crossing -overul reprezint\u0103:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. schimb reciproc de gene intre cromozomii neomologi;",
|
|
"2. schimb reciproc de gene intre cromozomii omo logi;",
|
|
"3. are loc in anafaza mitozei;",
|
|
"4. duce la formarea cromozomilor recombina\u0163i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Plasmoliza:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. are loc \u00een celulele foi\u0163ei de ceap\u0103 aflate \u00eentr -o solu\u0163ie cu o concentra\u0163ie a s\u0103rurilor mai mare dec\u00e2t \u00een mediul intern;",
|
|
"2. este procesul de pierdere a apei din celul\u0103;",
|
|
"3. se realizeaz\u0103 prin osmoz\u0103;",
|
|
"4. determin\u0103 cre\u015fterea volumului celulei."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Elementele comune mitozei \u015fi meiozei sunt:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. num\u0103rul de cromozomi din celulele fiice;",
|
|
"2. cromozomii bicromatidici de la sf\u00e2r\u015fitul diviziunii;",
|
|
"3. tetradele cromozomal e din placa metafazic\u0103;",
|
|
"4. fusul de diviziune ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "\u00cen telofaza I a meiozei:",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. cromozomii monocromatidici se g\u0103sesc la polii celulei;",
|
|
"2. are loc schimbul reciproc de gene \u00eentre cromozomii omologi;",
|
|
"3. cromozomii se spiralizeaz\u0103 \u015fi se formeaz\u0103 cei doi nuclei ;",
|
|
"4. comozomii bicromatidici se dispun la centrul celulei."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Sunt formate din proteine contractile:",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. membrana celular\u0103;",
|
|
"2. cloroplastele;",
|
|
"3. peretele celular;",
|
|
"4. fibrele fusului de diviziune."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Care din formulele de mai jos reprezint\u0103 un gamet normal format \u00een cadrul unei dihibrid\u0103ri:",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. GgRr;",
|
|
"2. GRr;",
|
|
"3. G;",
|
|
"4. Gr."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Acizii nucleici sunt:",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. Substan\u0163e macromoleculare;",
|
|
"2. Proteine;",
|
|
"3. Forma\u0163i din nucleotide;",
|
|
"4. ADN \u015fi ATP."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Procentul crossing -over -elor:",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. Este cu at\u00e2t mai mare cu c\u00e2t distan\u0163a dintre gene este mai mic \u0103;",
|
|
"2. Este cu at\u00e2t mai mare cu c\u00e2t distan\u0163a dintre gene este mai mare;",
|
|
"3. Depinde de genele antrenate \u00een schimb;",
|
|
"4. Cre\u015fte propor\u0163ional cu distan\u0163a dintre gene."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Citoplasma celulelor:",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. Este o materie cristalizat\u0103;",
|
|
"2. La exterior este delimitat\u0103 de peretele celular;",
|
|
"3. Se afl\u0103 \u00eentotdeauna \u00een starea de sol;",
|
|
"4. Este un sistem coloidal."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Reticulul endoplasmatic:",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. Poate fi neted sau rugos;",
|
|
"2. Este uneori \u00eenso\u0163it de ribozomi;",
|
|
"3. Asigur\u0103 circula\u0163ia intracitoplasmatic\u0103;",
|
|
"4. Are rol \u00een elaborarea produ\u015filor de secre\u0163ie."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Membrana celula r\u0103:",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. este de natur\u0103 lipoproteic\u0103;",
|
|
"2. este semipermeabil\u0103;",
|
|
"3. este polarizat\u0103 electric;",
|
|
"4. prezint\u0103 alc\u0103tuire caracterizat\u0103 prin modelul \u201em ozaicului fluid\u201d."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "A\u015fezarea cromozomilor la ecuatorul fusului de diviziune se realizeaz\u0103:",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. \u00cen anafaza etapei reduc\u0163ionale;",
|
|
"2. \u00cen metafaza diviziunii mitotice;",
|
|
"3. \u00cen anafaza mitozei \u015fi meiozei;",
|
|
"4. \u00cen metafaza I \u015fi metafaza II a meiozei."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala cluj",
|
|
"task": "teoretic",
|
|
"year": "2009"
|
|
},
|
|
{
|
|
"question": "Ribozomii :",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. sunt costituen\u0163i celulari protoplasmatici;",
|
|
"B. au membran\u0103 lipido -proteic\u0103;",
|
|
"C. m\u0103resc suprafa\u0163a de reac\u0163ie a membranei celulare;",
|
|
"D.con\u0163in ADN \u015fi proteine."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Lizozomii con\u0163in:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. ARN \u015fi proteine;",
|
|
"B. ATP;",
|
|
"C. enzime digestive;",
|
|
"D. ADN."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Din compozi\u0163ia chim ic\u0103 a celulei animale lipsesc:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. lipidele \u015fi glicogenul;",
|
|
"B. glucoza \u015fi cheratina;",
|
|
"C. trigliceridele \u015fi amidonul;",
|
|
"D. lipidele \u015fi proteinele."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Baze azotate ce realizeaz\u0103 leg\u0103turi duble de hidrogen sunt:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. adenina \u015fi guanina;",
|
|
"B. citozina \u015fi uracilul;",
|
|
"C. adenina \u015fi timina;",
|
|
"D. citozina \u015fi guanina."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Enzimele:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. determin\u0103 sensul, viteza, succesiunea reac\u0163iilor dintr -un lan\u0163 metabolic;",
|
|
"B. sunt de natur\u0103 lipidic\u0103;",
|
|
"C. sunt glucide;",
|
|
"D. sunt proteine cu rol structural."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Importan\u0163a meiozei const\u0103 \u00een:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. refacerea garniturii diploide de cromozomi;",
|
|
"B. cre\u015fterea variabilit\u0103\u0163ii organismelor;",
|
|
"C. p\u0103strarea aceluia\u015fi num\u0103r de cromozomi \u00een celulele fiice;",
|
|
"D. formarea celulelor reproduc\u0103toare diploide."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Sunt organite autodivizibile:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. REN \u015fi aparatul Golg i;",
|
|
"B. lizozomii \u015fi ribozomii;",
|
|
"C. peretele celular \u015fi vacuolele;",
|
|
"D. mitocondriile \u015fi cloroplastele."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Centrul celular :",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. se g\u0103se\u015fte la polul apical al celulei ;",
|
|
"B. con\u0163ine 1 -2 corpusculi numi\u0163i nucleoli ;",
|
|
"C. se mai nume\u015fte \u015fi centromer ;",
|
|
"D. este situat \u00een apropierea nucleului ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Au rol \u00een fotosintez\u0103 :",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. oleoplastele ;",
|
|
"B. leucoplastele ;",
|
|
"C. feoplastele ;",
|
|
"D. amiloplastele ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Cloroplastele :",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. con\u0163in clorofil\u0103 \u00een substan\u0163a fundamental\u0103 ;",
|
|
"B. grana este dispus\u0103 sub form\u0103 d e fi\u015ficuri libere \u00een strom\u0103 ;",
|
|
"C. sunt delimitate de o membran\u0103 dubl\u0103 poroas\u0103 ;",
|
|
"D. sunt constituen\u0163i celulari specifici plantelor ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Peretele celular :",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. confer\u0103 labilitate formei celulei vegetale ;",
|
|
"B. la plante este format di n celuloz\u0103, hemiceluloz\u0103 \u015fi pectin\u0103 ;",
|
|
"C. este prezent exclusiv la plante ;",
|
|
"D. este impermeabil pentru ap\u0103 ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. sunt vizibili \u00een interfaza ciclului celular ;",
|
|
"B. pot fi eviden\u0163ia\u0163i \u00een amitoz\u0103 ;",
|
|
"C. sunt structu ri permanente ale nucleului ;",
|
|
"D. se g\u0103sesc \u00een num\u0103r variabil pentru o anumit\u0103 specie ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Caracterul semiconservativ al replic\u0103rii ADN -ului const\u0103 \u00een formarea a dou\u0103 macromolecule de ADN :",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. noi pe jum\u0103tate ; 2",
|
|
"B. una veche \u015fi una nou\u0103 ;",
|
|
"C. noi \u00een \u00eentregime ;",
|
|
"D. diferite informa\u0163ional de molecula mam\u0103 ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Diviziunea amitotic\u0103 :",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. se realizeaz\u0103 cu ajutorul fusului de diviziune ;",
|
|
"B. se caracterizeaz\u0103 prin individualizarea cromozomilor ;",
|
|
"C. se \u00eent\u00e2lne\u015fte la procari ote;",
|
|
"D. se \u00eent\u00e2lne\u015fte la toate eucariotele."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Mitoza:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. este o diviziune direct\u0103 ;",
|
|
"B. se finalizeaz\u0103 cu formarea sporilor ;",
|
|
"C. este precedat\u0103 de interfaz\u0103;",
|
|
"D. prezint\u0103 fazele: interfaz\u0103, profaz\u0103, metafaz\u0103, anafaz\u0103, telofaz\u0103 ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Transportul activ:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. se poate realiza prin difuzie facilitat\u0103 ;",
|
|
"B. este o form\u0103 a transportului vezicular ;",
|
|
"C. nu necesit\u0103 consum energetic;",
|
|
"D. are loc \u00eempotriva gradientului de concentra\u0163ie."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Tetradele cromozomale sunt preze nte:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. \u00een profaza mitotic\u0103 ;",
|
|
"B. \u00een metafaza I ;",
|
|
"C. \u00een metafaza II ;",
|
|
"D. \u00een anafaza I ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Sunt cromozomi bicromatidici recombina\u0163i cromozomii din :",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. profaza mitotic\u0103 ;",
|
|
"B. anafa za mitotic\u0103 ;",
|
|
"C. anafaza I ;",
|
|
"D. interfaza I ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Mitocondriile au urm\u0103toarele caracteristici structurale cu excep\u0163ia :",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. au rol \u00een producerea energiei celulare ;",
|
|
"B. au o membran\u0103 dubl\u0103 ;",
|
|
"C. con\u0163in enzime oxido -reduc\u0103toare;",
|
|
"D. au o matrice ce con\u0163ine ADN mitocondrial."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Plasmalema :",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. se prezint\u0103 ca un mozaic rigid ;",
|
|
"B. are o structur\u0103 bilaminat\u0103 ;",
|
|
"C. are permeabilitate selectiv\u0103 ;",
|
|
"D. delimiteaz\u0103 nucleul ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "M en\u0163iona\u0163i afirma\u0163ia fals\u0103 :",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. membrana celular\u0103 este polarizat\u0103 electric ;",
|
|
"B. ribozomii au rol \u00een sinteza proteinelor;",
|
|
"C. centrul celular are rol \u00een diviziunea celular\u0103;",
|
|
"D. mitocondriile con\u0163in enzime hidrolitice."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Peretele celular este alc\u0103tuit din:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. pectin\u0103 la celu lele vegetale ;",
|
|
"B. celuloz\u0103 la bacterii;",
|
|
"C. murein\u0103 la alge;",
|
|
"D. chitin\u0103 la animale."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Organitul cu rol \u00een transportul intracelular al substan\u0163elor este:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. reticulul endoplasmatic;",
|
|
"B. aparatul Golgi;",
|
|
"C. lizozomul ;",
|
|
"D. ribozomul ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i afirma\u0163ia incorect\u0103 privind celula procariot\u0103 :",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. nu prezint\u0103 niciun fel de organite celulare ;",
|
|
"B. prezint\u0103 mezozom cu rol \u00een respira\u0163ia celular\u0103 ;",
|
|
"C. celula reprezint\u0103 sediul tuturor proceselor vitale ;",
|
|
"D. genom ul bacterian este \u00een contact direct \u015fi permanent cu citoplasma ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Faza mitozei care se caracterizeaz\u0103 prin refacerea \u00eenveli\u015fului nuclear este :",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. profaza ;",
|
|
"B. anafaza;",
|
|
"C. metafaza ;",
|
|
"D. telofaza ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Profaza II se deosebe\u015fte de prof aza I prin :",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. are loc crossing -over;",
|
|
"B. cromozomii migreaz\u0103 spre ecuatorul celulei ;",
|
|
"C. nu mai au loc fenomene de recombinare genetic\u0103 ;",
|
|
"D. se formeaz\u0103 bivalen\u0163ii ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Centrozomul:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. este prezent \u00een celulele nervoase;",
|
|
"B. se g\u0103se\u015fte \u00een apropierea nucleului ;",
|
|
"C. se mai nume\u015fte \u015fi centromer;",
|
|
"D. con\u0163ine 2 centrioli a\u015feza\u0163i paralel ."
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i afirma\u0163ia incorect\u0103 :",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. \u00een urma meiozei rezult\u0103 2 celule haploide ;",
|
|
"B. prin meioz\u0103 se formeaz\u0103 celulele sexu ale;",
|
|
"C. celulele somatice se divid mit otic;",
|
|
"D. \u00een interfaz\u0103 are loc replicarea ADN ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Membrana celular\u0103 prezint\u0103 :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. un bistrat proteic ;",
|
|
"B. fosfolipide transmembranare \u015fi ata\u015fate de proteine ;",
|
|
"C. proteine canale \u015fi protei ne receptori ;",
|
|
"D. doar proteine canal ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Reconstituirea garniturii diploide se realizeaz\u0103 prin:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. mitoz\u0103 ;",
|
|
"B. meioz\u0103 ;",
|
|
"C. citochinez\u0103 ;",
|
|
"D. fecunda\u0163ie ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Microtubuli i:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. formeaz\u0103 9 triplete periferice \u00een structur a centriolilor ;",
|
|
"2. sunt \u00een num\u0103r de 20 \u00een structura flagelilor ;",
|
|
"3. con\u0163in o substan\u0163\u0103 proteic\u0103 -tubulin\u0103 ;",
|
|
"4. se g\u0103sesc la nivelul citoschelet ului."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Organite cu membran\u0103 simpl\u0103 sunt:",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. peroxizomii;",
|
|
"2. reticulul endoplasmatic ;",
|
|
"3. lizozomii;",
|
|
"4. ribozomii."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Polizaharide cu structur\u0103 fibrilar\u0103 prezente \u00een peretele celular al eucariotelor sunt :",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. mureina ;",
|
|
"2. chitina ;",
|
|
"3. amidonul ;",
|
|
"4. celuloza ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Peretele celular este :",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. dispus la exteriorul membranei celulare ;",
|
|
"2. un \u00eenveli\u015f ce confer \u0103 rigiditate celulei ;",
|
|
"3. prezent la procariote, la fungi \u015fi la celulele vegetale ;",
|
|
"4. de natur\u0103 pecto -celulozic\u0103 la plante ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Glucoza este depozitat\u0103 \u00een organisme sub form\u0103 polizaharidic\u0103 :",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. amidon ;",
|
|
"2. celuloz\u0103 ;",
|
|
"3. glicogen ;",
|
|
"4. chitin\u0103 ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Peroxizomii :",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. deriv\u0103 din reticulul endoplasmatic ;",
|
|
"2. asigur\u0103 digestia intracelular\u0103 ;",
|
|
"3. con\u0163in enzime detoxifiante ;",
|
|
"4. con\u0163in enzime hidrolitice ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Lizozomii :",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. con\u0163in hidrolaze ;",
|
|
"2. realizeaz\u0103 heterofagie ;",
|
|
"3. realizeaz\u0103 autofagie ;",
|
|
"4. sunt d elimita\u0163i de membran\u0103 simpl\u0103 ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Vacuolele :",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. au membran\u0103 simpl\u0103 -tonoplast ;",
|
|
"2. asigur\u0103 homeostazia celular\u0103 ;",
|
|
"3. con\u0163in suc vacuolar ;",
|
|
"4. prezente doar la plante ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Dictiozomii au rol \u00een:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. biosinteza polizaharidelor;",
|
|
"2. secre\u0163ia de mu cilagii \u015fi enzime digestive la plantele carnivore ;",
|
|
"3. prelucrarea proteinelor \u015fi lipidelor;",
|
|
"4. respira\u0163ia celular\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Au rol \u00een detoxifierea celulei:",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1. lizozomii;",
|
|
"2. RE;",
|
|
"3. peroxizomii ;",
|
|
"4. centrul celular ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Corpu sculii lui Nissl:",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1.asigur\u0103 vehicularea substan\u0163elor ;",
|
|
"2. deriv\u0103 din RE;",
|
|
"3. se mai numesc neurofibrile ;",
|
|
"4. constituen\u0163i specifici neuronului ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Elementele comune mitozei \u015fi meiozei sunt:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. fusul de diviziune;",
|
|
"2. num\u0103rul de cromozomi din celulele fiice;",
|
|
"3. cromozomii monocromatidici de la sf\u00e2r\u015fitul diviziunii;",
|
|
"4. tetradele cromozomale din metafaz\u0103 ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Profaza mitotic\u0103 se caracterizeaz\u0103 prin :",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. individualizarea cromozomilor;",
|
|
"2. formarea fusului de diviziune ;",
|
|
"3. dezorganizarea nucleului ;",
|
|
"4. realizarea procesului de crossing -over."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Miofibrilele :",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. asigur\u0103 contrac\u0163ia fibrelor musculare;",
|
|
"2. sunt constituen\u0163i specifici fibrelor musculare ;",
|
|
"3. sunt constit uite din miofilamente de actin\u0103 \u015fi miozin\u0103 ;",
|
|
"4. specifice celulelor animale ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Cromatina :",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. este alc\u0103tuit\u0103 din ADN \u015fi histone ;",
|
|
"2. este format\u0103 din unit\u0103\u0163i repetitive numite nucleosomi ;",
|
|
"3. prin condensare formeaz\u0103 cromozomii ;",
|
|
"4. se prezint\u0103 sub form\u0103 de eucromatin\u0103 \u015fi heterocromatin\u0103 ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Crossing -overul se desf\u0103\u015foar\u0103 \u00eentre :",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. cromatidele surori ale aceluia\u015fi cromozom ;",
|
|
"2. dou\u0103 tetrade diferite ;",
|
|
"3. nucleii celulelor fiice ;",
|
|
"4. cromatidele neperechi ale unei tetrade ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i afirma\u0163iile inc orecte privind mitocondriile :",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. se perpetueaz\u0103 prin diviziune, fragmentare sau \u00eenmugurire ;",
|
|
"2. se transmit de la o genera\u0163ie celular\u0103 la alta ; 4",
|
|
"3. nu se formeaz\u0103 niciodat\u0103 \u201ede novo\u201d ;",
|
|
"4. au rol \u00een sinteza de substan\u0163e organice ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "\u00cen timpul meiozei are loc :",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. recombinare ge netic\u0103 intracromozomial\u0103 ;",
|
|
"2. refacerea garniturii diploide ;",
|
|
"3. recombinare genetic\u0103 intercromozomial\u0103 ;",
|
|
"4. crossing -over \u00een profaza II."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Acizii nucleici se g\u0103sesc \u00een:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. nucleu;",
|
|
"2. mitocondrii;",
|
|
"3. cloroplaste;",
|
|
"4. citoplasm\u0103."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Ribozomii se g\u0103sesc:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. ata\u015fa\u0163i pe fa\u0163a extern\u0103 a anvelopei nucleare ;",
|
|
"2. \u00een cloroplaste ;",
|
|
"3. ata\u015fa\u0163i REG ;",
|
|
"4. \u00een nucleoplasm\u0103 ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Nu p rezint\u0103 \u00eenveli\u015f dublu:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. mitocondriile;",
|
|
"2. ribozomii;",
|
|
"3. nucleul;",
|
|
"4. vacuolele."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Ciclul celul ar cuprinde:",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. interfaza;",
|
|
"2. profaza;",
|
|
"3. diviziunea propriu -zis\u0103;",
|
|
"4. telofaza \u015fi anafaza."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Prin cariochinez\u0103 se \u00een\u0163elege :",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. diviziunea citoplasmei ;",
|
|
"2. separarea cromozomilor omologi ;",
|
|
"3. separarea cromatidelo r-surori ;",
|
|
"4. diviziunea nucleului ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Prin mitoz\u0103 se realizeaz\u0103 :",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. reducerea num\u0103rului de cromozomi ;",
|
|
"2. conservarea num\u0103rului de cromozomi ;",
|
|
"3. dublarea num\u0103rului de cromozomi ;",
|
|
"4. cre\u015fterea organismului ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Separarea croma tidelor surori are loc :",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. \u00een metafaza mitozei ;",
|
|
"2. \u00een metafaza I a meiozei ;",
|
|
"3. \u00een metafaza II a meiozei ;",
|
|
"4. \u00een telofaz\u0103 ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Bivalen\u0163ii :",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. reprezint\u0103 cromozomii omologi uni\u0163i ;",
|
|
"2. se formeaz\u0103 \u00een profaza I ;",
|
|
"3. au patru cromatide ;",
|
|
"4. se formeaz\u0103 \u00een metafaza I ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Meioza se deosebe\u015fte de mitoz\u0103 astfel :",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. celulele parentale sunt diploide ;",
|
|
"2. la sf\u00e2r\u015fitul diviziunii se formeaz\u0103 celule haploide ;",
|
|
"3. celulele parentale prezint\u0103 crom ozomi bicromatidici ;",
|
|
"4. se desf\u0103\u015foar\u0103 \u00een dou\u0103 etape ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Nucleolii :",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. se g\u0103sesc \u00een nucleoplasm\u0103 ;",
|
|
"2. au rol \u00een biogeneza ribozomilor ;",
|
|
"3. se dezorganizeaz\u0103 \u00een profaz\u0103 ;",
|
|
"4. se reorganizeaz\u0103 \u00een telofaz\u0103 ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Mitoza :",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. are loc \u00een celulele somatice ;",
|
|
"2. se desf\u0103\u015foar\u0103 \u00een 2 etape \u015fi 4 faze ;",
|
|
"3. se poate desf\u0103\u015fura succesiv la nivelul celulelor ;",
|
|
"4. celulele formate nu se mai divid ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. sunt \u00eentr -un singur exemplar la procariote (o molecul\u0103 circular\u0103, dublu catenar\u0103 de ADN) ;",
|
|
"2. sunt exclusiv \u00een dublu exemplar la eucariote ;",
|
|
"3. sunt \u00een dublu exemplar \u00een celulele somatice ;",
|
|
"4. sunt structuri temporare \u00een celule ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2012"
|
|
},
|
|
{
|
|
"question": "Unitatea structural\u0103 a cromatinei este:",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. ADN -ul",
|
|
"B. Nucleotida",
|
|
"C. Nucl eozomul",
|
|
"D. Proteina histonic\u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Structural nucleolii:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. se dezorganizeaz\u0103 la sf\u00e2r\u015fitul profazei",
|
|
"B. se reorganizeaz\u0103 la sf\u00e2r\u015fitul telofazei",
|
|
"C. au rol \u00een biogeneza ribozomilor",
|
|
"D. nu sunt delimita\u0163i printr -o membran\u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i varianta incorect\u0103 privind plastidele \u015fi mitocond riile:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. au membran\u0103 dubl\u0103",
|
|
"B. prezint\u0103 material genetic propriu",
|
|
"C. se formeaz\u0103 de novo",
|
|
"D. se multiplic\u0103 \u015fi se perpetueaz\u0103 prin diviziune"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Ansamblul mitocondiilor din celul\u0103 formeaz\u0103:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. plastidomul celular",
|
|
"B. condriomul celular",
|
|
"C. aparatul Golgi",
|
|
"D. nu are denumire"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Peretele celul ar este format \u00een principal din:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. polizaharide",
|
|
"B. lipide",
|
|
"C. proteine",
|
|
"D. s\u0103ruri minerale"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Componenta func\u0163ional\u0103 a membranei celulare este reprezentat\u0103 de:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. lipide",
|
|
"B. fosfolipide",
|
|
"C. proteine",
|
|
"D. glucide"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Prin cariochinez\u0103 se \u00een\u0163elege:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. diviziunea citoplasmei",
|
|
"B. separarea cromozomilor omologi",
|
|
"C. separarea cromatidelor -surori",
|
|
"D. diviziunea nucleului"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Mitoza are loc \u00een:",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. gametocite",
|
|
"B. sporocite",
|
|
"C. celule somatice",
|
|
"D. meiocite"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Prin mitoz\u0103 se realizeaz\u0103:",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. reducerea num\u0103rului de cromozomi",
|
|
"B. dublarea num\u0103rului de cromozomi",
|
|
"C. conservarea num\u0103rului de cromozomi",
|
|
"D. \u00eenjum\u0103t\u0103\u0163irea num\u0103rului de cromozomi"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Meioza are loc \u00een:",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. gametocite",
|
|
"B. sporocite",
|
|
"C. meiocite",
|
|
"D. celule somatice"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "\u00cemperecherea cromozomilor omologi are loc \u00een:",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. metafaza II meiotic\u0103",
|
|
"B. anafaza I meiotic\u0103",
|
|
"C. profaza I meiotic\u0103",
|
|
"D. metafaza I meiotic\u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Lizozomul secundar se formeaz\u0103:",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. Prin \u00eemb\u0103tr\u00e2nirea lizozomului primar format de Aparatul Golgi",
|
|
"B. \u00cen urma acumul\u0103rii de enzime",
|
|
"C. \u00cen urma unirii cu vezicula ce con\u0163ine particula ce urmeaz\u0103 a fi digerat\u0103",
|
|
"D. \u00cen urma digestiei 2"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Pentru eviden\u0163ierea diviziunii meiotice la secar\u0103 sau gr\u00e2u fixarea preparat ului presupune:",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. Folosirea reactivului Carnoy",
|
|
"B. Colorarea cu carmin acetic",
|
|
"C. \u00cenc\u0103lzirea lamei cu spicele presate la flac\u0103r\u0103",
|
|
"D. Toate variantele de mai sus"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Baze azotate ce realizeaz\u0103 leg\u0103turi duble de hidrogen sunt:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. adenina \u015fi guanina",
|
|
"B. citozina \u015fi uracilul",
|
|
"C. adenina \u015fi timina",
|
|
"D. citozina \u015fi guanina"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Crossing -over -ul este:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. un schimb unidirec\u0163ional de informa\u0163ie genetic\u0103",
|
|
"B. un proces de recombinare genetic\u0103 intercromozomal\u0103",
|
|
"C. schimb reciproc de gene \u00eentre cromozomii neperec he",
|
|
"D.schimb echilibrat de gene \u00eentre cromatidele nesurori ale bivalen\u0163ilor"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Peretele celular al ciupercilor are:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A.celuloz\u0103 grupat\u0103 \u00een m\u0103nunchiuri",
|
|
"B.chitin\u0103 organizat\u0103 \u00eentr -o re\u0163ea microfibrilar\u0103",
|
|
"C. murein\u0103 ce alc\u0103tuie\u015fte sacul mureinic",
|
|
"D. chitin\u0103 ca substan\u0163\u0103 fundamental\u0103, amorf\u0103"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Punctua\u0163iunile:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. str\u0103bat porii membranei nucleare",
|
|
"B. sunt pori ai membranei plasmatice",
|
|
"C. sunt cordoane plasmatice ce leag\u0103 diferite celule",
|
|
"D. sunt traversate de plasmodesme"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "ADN -ul se replic\u0103:",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. \u00een interfaza dintre cele dou\u0103 etape meiotice",
|
|
"B \u00een faza G 2 a interfazei",
|
|
"C.dup\u0103 modelul semiconservativ",
|
|
"D \u00een timpul mitozei"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomii sunt monocromatidici \u00een timpul:",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. anafazei I \u015fi II meiotice",
|
|
"B. metafazelor meiotice \u015fi mitotice",
|
|
"C. anafazei II \u015f i telofazei II meiotice",
|
|
"D. profazei I \u015fi II meiotice"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Schimburile de ioni \u00eentre celul\u0103 \u015fi mediul extracelular se realizeaz\u0103 prin:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. canale ionice (transport activ)",
|
|
"B. difuziunea ionilor prin bistratul lipidic al membranei plasmatice",
|
|
"C. pompele de ioni (cu consu m de energie)",
|
|
"D. fagocitarea ionilor"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Dictiozomii:",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. sunt constituen\u0163i celulari universali",
|
|
"B. sunt delimita\u0163i de dou\u0103 membrane",
|
|
"C. con\u0163in enzime hidrolitice",
|
|
"D. particip\u0103 la realizarea peretelui celular."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Microtubulii:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. alc\u0103tuiesc \u00een \u00eentregime citoscheletul",
|
|
"B. formeaz\u0103 t riplete \u00een centrioli",
|
|
"C. sunt \u00een num\u0103r de 20 la periferia flagelului",
|
|
"D. se \u00eent\u00e2lnesc \u00een structura cililor la procariote \u015fi eucariote"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomii sunt bicromatidici \u015fi recombina\u0163i \u00een:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. profaza mitozei",
|
|
"B. anafaza mitozei",
|
|
"C. anafaza diviziunii reduc\u0163ionale",
|
|
"D. anafaza div iziunii ecva\u0163ionale"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Nucleul:",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. este delimitat de o membran\u0103 simpl\u0103 cu pori",
|
|
"B. este mai mare la celulele adulte comparativ cu cele tinere",
|
|
"C. \u00ee\u015fi dubleaz\u0103 volumul \u00een prima perioad\u0103 a interfazei",
|
|
"D. \u00ee\u015fi modific\u0103 aspectul pe parcursul ciclului celular"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "\u00cen metafa za I:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. tetradele se prind cu ajutorul centromerilor de firele fusului de diviziune",
|
|
"B. tetradele sunt dispuse \u00een dou\u0103 pl\u0103ci ecuatoriale 3",
|
|
"C. cromozomii materni sunt orienta\u0163i, de regul\u0103, spre acela\u015fi pol al celulei",
|
|
"D. cromozomii neomologi sunt lega\u0163i prin chiasme"
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Separarea cromozomilor omologi are loc \u00een:",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. profaza I",
|
|
"B. metafaza II",
|
|
"C. metafaza I",
|
|
"D. telofaza II"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Turgescen\u0163a unei celule:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. variaz\u0103 \u00eentr -un mediu izotonic",
|
|
"B. scade \u00eentr -o solu\u0163ie hipertonic\u0103",
|
|
"C. se reface prin plasmoliz\u0103",
|
|
"D.cre\u015fte \u00eentr -un mediu hipertonic"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Mito condriile \u015fi cloroplastele se aseam\u0103n\u0103 prin faptul c\u0103:",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. au un material genetic asem\u0103n\u0103tor cu al bacteriilor",
|
|
"B. sunt organite cu membran\u0103 simpl\u0103",
|
|
"C. se \u00eent\u00e2lnesc \u00een toate celulele eucariote",
|
|
"D. sunt plastide"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i asocierea corect\u0103:",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. ribozomii \u2013 se ata\u015feaz\u0103 de dictiozomi",
|
|
"B. centrozomul - are un corpuscul bazal",
|
|
"C. lizozomii - au rol \u00een respira\u0163ia celular\u0103",
|
|
"D. mitocondriile \u2013 prezint\u0103 invagin\u0103ri tubulare"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "O celul\u0103 cu cromozomi bicromatidici:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. apare \u00een urma etapei reduc\u0163ionale a mitozei",
|
|
"B. se poate afla \u00een metafaza II meiotic \u0103",
|
|
"C. se noteaz\u0103 \u00eentotdeauna cu 2n",
|
|
"D. se formeaz\u0103 \u00een urma etapei ecva\u0163ionale a meiozei"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Forme ale transportului pasiv:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. difuzia",
|
|
"2. osmoza",
|
|
"3. difuzia facilitat\u0103",
|
|
"4. pompa de Na -K"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Mitocondriile \u00eendeplinesc dou\u0103 func\u0163ii fundamentale:",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. respira\u0163ia celular\u0103",
|
|
"2. secre\u0163ia celular\u0103",
|
|
"3. ereditatea extranuclear\u0103",
|
|
"4. prezint\u0103 enzime oxidative"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Mitocondriile se perpetueaz\u0103 prin:",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. diviziune",
|
|
"2. \u00eenmugurire",
|
|
"3. fragmetare",
|
|
"4. se formeaz\u0103 de novo"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Leucoplastele:",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. sunt plastide incolore",
|
|
"2. depoziteaz\u0103 uleiuri vegetale -oleoplaste",
|
|
"3. depoziteaz\u0103 amidon -amiloplaste",
|
|
"4. abund\u0103 \u00een endospermul seminal"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Lamela mijlocie:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. con\u0163ine \u00een principal celuloz\u0103",
|
|
"2. cimenteaz\u0103 pere\u0163ii celulari",
|
|
"3. se formeaz\u0103 dup\u0103 divi ziunea celulei",
|
|
"4. con\u0163ine \u00een principal pectin\u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Transportul pasiv se caracterizeaza prin:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. nu necesit\u0103 energie",
|
|
"2. are loc \u00een sensul gradientului de concentra\u0163ie 4",
|
|
"3. deplasarea moleculelor are loc de la concentra\u0163ie mare la concentra\u0163ie mic\u0103",
|
|
"4. deplasarea molec ulelor de ap\u0103 are loc de la solu\u0163ia diluat\u0103 la solu\u0163ia concentrat\u0103"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "ATP se sintetizeaz\u0103 la nivelul:",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. Ribozomilor",
|
|
"2. Cloroplastelor",
|
|
"3. Lizozomilor",
|
|
"4. Mitocondriilor"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Plastidele sunt organite:",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. Autoreproductibile",
|
|
"2. Semiautonome",
|
|
"3. Specifice organismelor fotosintetizatoare",
|
|
"4. Prezente \u00een toate celulele."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Plastidele nefotosintetizante sunt:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. Leucoplastele",
|
|
"2. Feoplastele",
|
|
"3. Cromoplastele",
|
|
"4. Rodoplastele"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Pigmen\u0163ii asimilatori caracteristici pentru feoplaste sunt:",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1. Clorofila a \u015fi clorofila b",
|
|
"2. Ficobilinele, clorofila a \u015fi d",
|
|
"3. Xantofilele, clorofila a \u015fi b",
|
|
"4. Xantofilele, clorofila a \u015fi d"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "La plantele superioare, spre deosebire de alge, cloroplastele sunt:",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. Cu forme variate",
|
|
"2. Cu form\u0103 lenticular\u0103",
|
|
"3. Mai pu\u0163ine, cu dimensiuni mari",
|
|
"4. Mai numeroase"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Organite celulare pozi\u0163ionate \u00een apropierea nucleului:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. RER",
|
|
"2. Dictiozom ii",
|
|
"3. Centrozomul",
|
|
"4. ribozomii"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Func\u0163iile vacuolelor sunt:",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. Acumularea apei",
|
|
"2. Stocarea nutrien\u0163ilor",
|
|
"3. Stocarea metaboli\u0163ilor",
|
|
"4. Stocarea substan\u0163elor de rezerv\u0103 (aleuron\u0103, pigmen\u0163i,etc)"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Incluziunile ergastice:",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. Sunt reprezentate de produ\u015fii intermediari \u015fi finali ai metab olismului celular",
|
|
"2. Pot fi de natur\u0103 organic\u0103 (cristale de carbonat de calciu,etc)",
|
|
"3. Se pot depozita \u00een plastide sau \u00een vacuole",
|
|
"4. Pot fi de natur\u0103 anorganic\u0103 (granule de amidon, aleuron\u0103)"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i varianta/variantele corecte referitoare la citoplasma fundamental\u0103 :",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. Hialoplasma se afl\u0103 \u00een dou\u0103 st\u0103ri fizice reversibile: sol \u015fi gel",
|
|
"2. Reac\u0163iile chimice se petrec mai ales \u00een stare de sol -citosol",
|
|
"3. \u00cen apa liber\u0103 se g\u0103sesc dizolvate substan\u0163e anorganice \u015fi organice",
|
|
"4. Granuloplasma con\u0163ine diferite organite celulare"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Membrana celular\u0103 \u015fi peretele celular apare la:",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. celule bacteriene \u015fi animale",
|
|
"2. ciuperci \u015fi alge",
|
|
"3. eucariote animale \u015fi fungale",
|
|
"4. bacterii \u015fi alge albastre verzi"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Microtubuli exist\u0103 \u00een:",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. cili",
|
|
"2. centrioli",
|
|
"3. flageli",
|
|
"4. citoschelet"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "\u00cen etapele meiozei se formeaz\u0103:",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. dou\u0103 celule diploide",
|
|
"2. dou\u0103 celule haploide",
|
|
"3. patru celule diploide",
|
|
"4. patru celule haploide"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Celulele fiice rezultate prin mitoz\u0103 vor avea:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. acela\u015fi set de cromozomi",
|
|
"2. acela\u015fi num\u0103r de cromozomi",
|
|
"3. aceea\u015fi cantitate de ADN",
|
|
"4. 2n cromozomi"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomii bicromatidici exist\u0103 \u00een:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. interfaz\u0103, profaz\u0103, metafaz\u0103",
|
|
"2. etapa reduc\u0163ional\u0103 a meiozei 5",
|
|
"3. profaza II, metafaza II",
|
|
"4. anafaza \u015fi telofaza mitotic\u0103"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Incluziunile ergastice:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. sunt produ\u015fi ai metabolismul celular",
|
|
"2. sunt prezente la procariote \u015fi eucariote",
|
|
"3. pot fi organice sau anorganice",
|
|
"4. se pot depozita \u00een vacuole"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "\u00cen telofaza I:",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. la fiecare pol al celulei exist\u0103 un set de cromozomi",
|
|
"2. se \u00eencheie etapa ecva\u0163ional\u0103",
|
|
"3. cromozomii sunt reco mbina\u0163i",
|
|
"4. se formeaz\u0103 doi nuclei diploizi"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Meioza:",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. se \u00eent\u00e2lne\u015fte la majoritatea organismelor eucariote",
|
|
"2. se finalizeaz\u0103 cu formarea celulelor reproduc\u0103toare sexuate la animale",
|
|
"3. duce la formarea celulelor reproduc\u0103toare asexuate la plante",
|
|
"4. este precedat\u0103 de in terfaz\u0103"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Glucide sunt :",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. galactoza \u015fi amidonul",
|
|
"2. celuloza \u015fi hemoglobina",
|
|
"3. chitina \u015fi glicogenul",
|
|
"4. zaharoza \u015fi cheratina"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomii recombina\u0163i:",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. sunt distribui\u0163i \u00een mod egal \u00een game\u0163i",
|
|
"2. con\u0163in informatia genetic\u0103 de la ambii p\u0103rin\u0163i",
|
|
"3. se formeaz\u0103 prin crossing -over",
|
|
"4. se formeaz\u0103 numai \u00een mitoz\u0103"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Membrana mitocondrial\u0103 intern\u0103:",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. formeaz\u0103 invagin\u0103ri care compartimenteaz\u0103 complet matrixul",
|
|
"2. d\u0103 na\u015ftere la lamele stromatice numite tilacoide",
|
|
"3. con\u0163ine enzime care intervin \u00een respira\u0163ia celular\u0103 a bacteriilor",
|
|
"4. poate form a tubuli care -i m\u0103resc suprafa\u0163a."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Granele:",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. se formeaz\u0103 prin suprapunerea cristelor",
|
|
"2. con\u0163in pigmen\u0163ii cu rol \u00een fotosintez\u0103",
|
|
"3. caracterizeaz\u0103 toate tipurile de plastide",
|
|
"4. sunt formate din discuri paralele"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "ADN \u015fi ARN:",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. sunt forma\u0163i din nucleotide",
|
|
"2. au structur \u0103 macromolecular\u0103",
|
|
"3. exist\u0103 \u00een toate celulele",
|
|
"4. se g\u0103sesc \u00een constituen\u0163ii celulari care se divid."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Nucleolii \u015fi ribozomii:",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. au rol \u00een procese de sintez\u0103",
|
|
"2. sunt de dimensiuni mici la bacterii",
|
|
"3. se pot observa la microscopul electronic",
|
|
"4. con\u0163in AR N \u015fi ADN"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cilii eucariotelor:",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. au dimensiuni mai mici dec\u00e2t flagelii",
|
|
"2. adesea, sunt structuri unice",
|
|
"3. au 9 + 1 perechi de microtubuli",
|
|
"4. ca \u015fi centriolii, sunt organite extracelulare"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cloroplastele, nucleul si mitocon driile au in comun urmatoarea caracteristica:",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. nu participa la diviziune",
|
|
"B. contin acizi nucleici",
|
|
"C. sunt organite specific e neuronului",
|
|
"D. sunt prezente in structura celulelor procariote"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Durata interfazei este aproximativ:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A.50% din durata ciclului cel ular",
|
|
"B. 90% din durata diviziunii celulare",
|
|
"C. jumatate din viata celulei",
|
|
"D.90% din durata ciclului celular"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Nucleul :",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. este bine reprezentat la celula procariota",
|
|
"B. este centr ul coord onator al tuturor functiilor celulare",
|
|
"C. este dublu in celulele diplo ide",
|
|
"D. isi mentine integritatea in timpul diviziunii celulare"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Anafaza mitotica nu prezinta :",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. cromozomi monocromatidici",
|
|
"B. fus de diviziune",
|
|
"C. cromozomi bicromatidici",
|
|
"D. cromozomi care migreaza catre polii celulei"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Trecerea apei de la o celula la alta in corpul plantei se poate realiza datorita:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. plasmolizei",
|
|
"B. turgescentei",
|
|
"C. osmozei",
|
|
"D. transportului activ"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "O celula cu 2n=16 cromozomi prin mitoza va genera :",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. 2 celule cu 2n=8 cromozomi",
|
|
"B. 4 celule cu n=8 cromozomi",
|
|
"C. 2 celule cu 2n= 16 cr omozomi",
|
|
"D. 2 celule cu n=8 cromozomi"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Nucleoplasma :",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. este citoplasma celulelor vegetale",
|
|
"B. este delimitata de plasmalema",
|
|
"C. este lipsita de nucleoli",
|
|
"D. contine cromatina"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomii prezinta condensare maxima in :",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. anafaza mitozei",
|
|
"B. metafaza",
|
|
"C. profaza I",
|
|
"D. telofaza"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Centrul celular :",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. este prezent in celulele nervoase",
|
|
"B. contine 1 - 2 nucleoli",
|
|
"C. se mai numeste si centromer",
|
|
"D. poate sa contina 2 centrioli"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Ciclul celular cuprinde interfaza si diviziunea propriu -zisa.Alegeti asocierea corecta :",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. perioada presintetica \u2013G1- dublarea cantitatii de A RN",
|
|
"B. perioada de sinteza \u2013G2- dublarea cantitatii de ADN",
|
|
"C. interfaza \u2013 citochineza",
|
|
"D. perioada de sinteza \u2013S- dublarea cantitatii de ADN"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Grana :",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. este prezenta in structura mitocondriilor",
|
|
"B. reprezinta tilacoide asociate si ordonate sub forma unor fisicuri de monede",
|
|
"C. este prezenta in celulele procariote",
|
|
"D. participa la realizarea miscarilor citoplasmatice"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Diviziunea ( clivarea) centromerului de la sfarsitul metafazei mitotice are ca rezult at :",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A .formarea cromozomilor bicromatidici",
|
|
"B. unirea cromozomilor omologi",
|
|
"C. formarea cromozomilor monocromatidici",
|
|
"D. formarea a doua celule fiice"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Leucoplastele :",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. con\u0163in clorofil\u0103 \u015fi au rol in fotosintez\u0103",
|
|
"B. con\u0163in pigmen\u0163i galbeni, portocalii \u015fi ro\u015fii",
|
|
"C. sunt prezente \u015fi in celulele animale",
|
|
"D. sunt incolore \u015fi au rol in depozitarea unor substante"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomii bivalenti se formeaza:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. in profaza mitotica",
|
|
"B. prin imperecherea cromozomilor omologi",
|
|
"C. in profaza II a meiozei",
|
|
"D. prin despartirea tetradelor cromatidice"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Invelisul nuclear:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. este dublu la bacteri i",
|
|
"B. este prevazut cu pori",
|
|
"C. es te strans legat de peretele cel ular",
|
|
"D. se organizeaza in timpul pr ofazei mitozei"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Raportul de segregare fenotipica in monohibridare :",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A .este de 9:3:3:1",
|
|
"B. este de 1:2:1 in cazul dominantei complete",
|
|
"C . este de 3:1 in cazul semidominantei",
|
|
"D. este de 1:2:1 in cazul semidominantei"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Sunt organite celulare intalnite la celula procariota :",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. cloroplastele",
|
|
"B. nucleolii",
|
|
"C. ribozomii",
|
|
"D. dictiozomii"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Gene letale :",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. sunt gene care in stare heterozigota determina moartea individului",
|
|
"B. determina caractere superioare individului",
|
|
"C. sunt intalnite la soareci cu blana galben a",
|
|
"D. sunt intalnite la soareci cu blana cenusie"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Turgescenta :",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. determina desprinderea membranei celulare de peretele celular",
|
|
"B. favorizeaza scaderea volumului celular",
|
|
"C. rezulta in urma cresterii presiunii continutului celular",
|
|
"D. faciliteaza realizar ea transportului activ"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Grupa de sange AB:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. este rezultatul interactiunii a doua gene recesive",
|
|
"B. este rezulta tul fenomenului heterozis",
|
|
"C. apare datorita fenomenului de codominanta",
|
|
"D. este o grupa de sange homozigota"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cristele mitocondriale :",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. se formeaza prin invaginarea membrane i externe a mitocondriilor",
|
|
"B. pot avea forma tubular a sau sferica",
|
|
"C. se formeaza prin invaginarea membrane i interne a mitocondriilor",
|
|
"D. contin matrix"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "In ur ma incrucisarii unei varietati de mazare cu bob neted si galben , caractere dominante, organism homozigot pentru aceste caractere, cu o alta varietate de mazare cu bob zbarcit si verde -caractere recesive se obtin in F 2:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. 4/16 plante cu bob neted si galben",
|
|
"B. 1/16 plante cu bob zbarcit si galben",
|
|
"C. 4/12 plante cu bob verde",
|
|
"D. 12/16 plante cu bob galben"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Sinteza de polizaharide este realizata de:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. dictiozomi",
|
|
"B. membrana plasmatica",
|
|
"C. mitocondrii",
|
|
"D. peretele celular"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Gametii :",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. se for meaza in urma mitozei",
|
|
"B. contin o pereche de factori ereditari identici , de a ceea sunt puri genetic",
|
|
"C. sunt heterozigoti",
|
|
"D. contin un singur factor ereditar din pereche"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "In procesul de respi ratie celulara:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. se elimina CO 2",
|
|
"B. se sintetizeaza substante organice",
|
|
"C. se produce O 2",
|
|
"D. se consuma energie"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Nu este abatere de la legile mendeliene ale ereditatii :",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. semidominanta",
|
|
"B. dominanta completa",
|
|
"C. codominanta",
|
|
"D. dominanta incomplet a"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Celula musculara prezinta:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. lizozomi si leucocite",
|
|
"B. mitocondrii si cloroplaste",
|
|
"C. reticul endoplasmatic si perete celular",
|
|
"D. ribozomi si aparat Golgi"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Telofaza mitozei :",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. este prima etapa a acestui tip de diviziune",
|
|
"B. este asemanatoare profazei privind reorganizarea membranei nucleare",
|
|
"C. difera de anafaza prin prezenta cromozomilor monocromatidici",
|
|
"D. se caracterizeaza prin decond ensarea treptata a cromozomilor"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Celula animala :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. prezinta membrana, citoplasma si nucleu",
|
|
"B. se divide prin mitoza, formand gametii",
|
|
"C. contine cloroplaste si reticul endoplasmatic",
|
|
"D. prezinta membrana, citoplasma si nucleoid"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Tetradele cromatidice se formeaza in :",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. profaza mitozei",
|
|
"B. profaza etapei reductionale a meiozei",
|
|
"C. anafaza II",
|
|
"D. profaza II"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Lizozomii :",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. contin enzime hidrolitice",
|
|
"2. se gasesc in numa r mare in leucocite",
|
|
"3. distrug particule straine care patrund in celula",
|
|
"4. au o membrana interna ce formeaza pliuri"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Diviziune ecvationala este :",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. metafaza",
|
|
"2. mitoza",
|
|
"3. meioza I",
|
|
"4. meioza II"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Ribozomii sunt situati in/pe :",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. citoplasma",
|
|
"2. membrana reticulului endoplasmatic",
|
|
"3. membrana externa a nucleului",
|
|
"4. aparatul Golgi"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Anafaza I se caraterizeaza prin:",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. are loc migrarea cromozomilor spre cei doi poli ai celulei",
|
|
"2. cromozomii sunt monocromatidici",
|
|
"3. deplasarea cromozomilor se face prin inte rmediul fusului de diviziune",
|
|
"4. cromozomii prezinta o despiralizare maxima"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Apa se formeaza in urma procesului de respiratie celulara care are loc in:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. cloroplaste",
|
|
"2. ribozomi",
|
|
"3. lizozomi",
|
|
"4. mitocondrii"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromozomi bicromatidici recombinati sunt in:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. anafaza I",
|
|
"2. anafazaII",
|
|
"3. profaza II",
|
|
"4. telofaza II"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Mezozomul :",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. se produce prin invaginarea membranei nucleare la procariote",
|
|
"2. are rol in ancora rea moleculelor de ATP",
|
|
"3. se produce prin invaginarea membrane i plasmatice la plante",
|
|
"4. are rol in respiratie la unele bacteri i"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Importanta meiozei consta in :",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. asigura variabilitatea organismelor",
|
|
"2. mentine constant numarul de cromozomi caracteristic speciei",
|
|
"3. permite procesul evolutiei",
|
|
"4. asigura cresterea organismelor pluricelulare"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Organi te ale celulei eucariote purtatoare de informatie genetica proprie sunt :",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. plastidele",
|
|
"2. dictiozomii",
|
|
"3. mitocondriile",
|
|
"4. reticulul endoplasmatic"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Interfaza :",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1. are loc intre doua diviziuni celulare succesive",
|
|
"2. cuprinde procese de sinteza si diviziunea propriu -zisa",
|
|
"3. prezinta o perioada S in care se dubleaza cantitatea de ADN",
|
|
"4. include profaza"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Incluziunile ergastice :",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. sunt inconjurate de o membrana plasmatica",
|
|
"2. sunt produsi ai metabolismului celular",
|
|
"3. contin depozite de ATP",
|
|
"4. se afla tempor ar in celule"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Fusul de diviziune :",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. se organizeaza in profaza",
|
|
"2. este format din filamente contractile",
|
|
"3. se dezorganizeaza in telofaza",
|
|
"4.este prezent in timpul diviziunii prin fragmentare"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Contin Mg2+ :",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. centrozomii",
|
|
"2. ribozomii",
|
|
"3. peretele celular",
|
|
"4. cloroplastele"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Diviziunea citoplasmei :",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. are loc dupa formarea nucleilor fii",
|
|
"2. se numeste cariokineza",
|
|
"3. este numita si citokineza",
|
|
"4. are loc in paralel cu profaza diviziunii urmatoare"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Granulele lui Palade:",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. sunt alcatuite din AR N si protein e",
|
|
"2. sunt prezente la procariote si eucariote",
|
|
"3. nu au rol in sinteza glucidelor",
|
|
"4. nu pot fi vazute la microscopul optic"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "A doua etapa a meiozei :",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. se finalizeaza cu formarea a 4 celule diploide",
|
|
"2. este o etapa reductionala",
|
|
"3. genereaza c elule somatice",
|
|
"4. cuprinde 4 faze"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Celulele procariote:",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. sunt foarte raspandite in diferite medii de viata",
|
|
"2. au un nucleu delimitat de o membran a dubla prevazuta cu pori",
|
|
"3. metabolismul lor este mai intens decat al celulelor eucariote",
|
|
"4. prezinta c itoplasma structurata in hialoplasma si citoschelet"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Metafaza II se caracterizeaza prin:",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. cromozomii bicromatidici se afla in plan ecuatorial",
|
|
"2. cromozomii sunt recombinati",
|
|
"3. despartirea cromatidelor surori la sfarsitul acestei faze",
|
|
"4. cromozomii se despiralizezeaza"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Aparatul Golgi:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. este delimitat de o membrana dubla",
|
|
"2. contin e ADN, ARN si proteine",
|
|
"3. prezinta enzime oxido -reducatoare",
|
|
"4. nu contin e pigmenti clorofilieni"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Diviziunea amitotica :",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. este intalnita la bacterii",
|
|
"2. se caracterizeaz a prin lipsa cromozomilor condensati",
|
|
"3. nu prezinta fus de diviziune",
|
|
"4. se numeste si cariochineza"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Organite cu invelis dublu sunt:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. mitocondriile",
|
|
"2. ribozomii",
|
|
"3. nucleul",
|
|
"4. dictiozomii"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Mazarea a fost aleasa de Mendel deoarece prezint\u0103 urmatoarele avantaje:",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. se reproduce prin autopolenizare",
|
|
"2. este o planta autogama",
|
|
"3. se poate realiza o polenizare artificiala incrucisata",
|
|
"4. majoritatea soiurilor folosite in experimente prezinta caractere identice"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Vacuolele :",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. in stari le patologice au aspect granulos",
|
|
"2. sunt delimitate de o membrana simpla",
|
|
"3. contin ADN, ARN si proteine",
|
|
"4. sunt prezente in celula eucariota"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Ereditatea :",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. este o i nsusire fundamentala a organismelor vii",
|
|
"2. se manifesta prin transmiterea caracterelor ereditare de la descendenti la ascendenti",
|
|
"3. explica asemanarea dintre indivizii unei specii",
|
|
"4. este capacitatea organismelor din aceeasi specie de a se deosebi intre ei"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Clorofila este localizata in urmatoarele structuri ale cloroplastelor:",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. matrix",
|
|
"2. stroma",
|
|
"3. ADN",
|
|
"4. grana"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Cromatina :",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. este prezenta exclusiv in citoplasma celulei eucariote",
|
|
"2. are aspectul unui \u201csirag de margele \u201c",
|
|
"3. contine numai ARN",
|
|
"4. contine proteine si ADN"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Leucoplastele:",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. contin clorofila si au rol in fotosinteza",
|
|
"2. au rol in depozitarea unor substante de rezerva",
|
|
"3. sunt prezente si in celulele animale",
|
|
"4. sunt incolore"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Meioza are loc in :",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. celula procariota",
|
|
"2. gameti",
|
|
"3. celulele somatice",
|
|
"4. organele reproducatoare"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Proteina este:",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. actina",
|
|
"2. cheratina",
|
|
"3. albumina",
|
|
"4. chitin a"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Procesul de c rossing -over :",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. este o recombinare genetica intracromozomala",
|
|
"2. are loc in timpul anafazei II",
|
|
"3. se realize aza prin schimb reciproc de segmente cromatidice intre cromozomii omologi",
|
|
"4. caraterizeaza mitoza"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala bucuresti",
|
|
"task": "teoretic",
|
|
"year": "2013"
|
|
},
|
|
{
|
|
"question": "Plasmalema:",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A.este alc\u0103tuita din celuloz\u0103,hemiceluloza si substante pectice;",
|
|
"B. se mai numeste membran\u0103 celulara ;",
|
|
"C. este alcatuita din 2strat uri de proteine;",
|
|
"D. delimiteaza ribozomii."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Cloroplastele:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. sunt lipsite de pigmen\u0163i;",
|
|
"B. sunt prezente numai \u00een celula animal\u0103;",
|
|
"C. con\u0163in material genetic propriu;",
|
|
"D. asambleaz\u0103 aminoacizii \u00een proteine."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Peretele celular este alc\u0103tuit din:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. chitin\u0103 la fungi ;",
|
|
"B. celuloz\u0103 la bacterii ;",
|
|
"C. aleuron\u0103 la alge;",
|
|
"D. murein\u0103 la eucariote."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Celulele vegetale depoziteaza glucoza sub forma de:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. glicogen ;",
|
|
"B.amidon;",
|
|
"C. chitina;",
|
|
"D.zaharoza."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Mitocondriile:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. prezint\u0103 o membran\u0103 extern\u0103 pliat\u0103;",
|
|
"B. con\u0163in numai ARN mitocondrial;",
|
|
"C. elibereaz\u0103 energie, prin procese de oxidare a substan\u0163elor organice;",
|
|
"D. au rol \u00een sinteza proteinelor nucleare."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "La nivelul ribozomilor exist\u0103:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. exclusiv catene polipeptidice;",
|
|
"B. ARN \u015fi proteine;",
|
|
"C. exclusiv ARN mesager;",
|
|
"D. trei subunit\u0103\u0163i: mare, mijlocie \u015fi mic\u0103."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Transportul activ:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. se poate realiza prin difuziune facilitat\u0103;",
|
|
"B. depinde de vacuom;",
|
|
"C. nu necesit\u0103 consum energetic;",
|
|
"D. necesit\u0103 enzime ATP -azice."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Polizaharidele din stru ctura organismelor vii sunt:",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A.celuloza din exoscheletul unor animale;",
|
|
"B. chitina ca depozit de glucoza in celulele vegetale;",
|
|
"C. amidonul ca depozit de glucoza in celula vegetala;",
|
|
"D. glicogenul ca depozit de glucoza in celula vegetala."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Principala sursa de energie pentru celule este reprezentata de :",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. monozaharide ;",
|
|
"B. polizaharide ;",
|
|
"C. lipide;",
|
|
"D. acizi nucleici."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Meioza:",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. are tetrade \u00een placa ecuatorial\u0103 \u00een metafaza I;",
|
|
"B. este o diviziune directa;",
|
|
"C. se desf\u0103\u015foar\u0103 \u00een 3 etape succesiv e;",
|
|
"D. conserva numarul de cromozomi ai celulei mame."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Baza purinica din structura aciziilor nucleici este:",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. timina;",
|
|
"B. guanina;",
|
|
"C.citozina ;",
|
|
"D. uracilul."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Fenomenul de crossing -over se realizeaz\u0103 \u00een:",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. anafaza mitozei;",
|
|
"B. metafaza I a m eiozei ;",
|
|
"C. profaza II a meiozei;",
|
|
"D. profaza I a meiozei."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Celula vegetala se deosebeste de cea animala prin prezenta:",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. cromozomilor si ribozomilor",
|
|
"B. membranei si a lizozomilor",
|
|
"C. peretelui celular si a cloroplastelor",
|
|
"D. mitocondriilor si a nucleului."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Enzimele:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. au rol de biocatalizatori;",
|
|
"B. au grad redus de specificitate;",
|
|
"C. sunt aminoacizi;",
|
|
"D. nu recunosc substanta specifica."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "ATP:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. intra in sructura ADN;",
|
|
"B. intra in structura ARN;",
|
|
"C. prezinta legaturi macroergice;",
|
|
"D. contine un radical fosfat."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Membrana plasmatic\u0103:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. este de natur\u0103 glicoproteic\u0103;",
|
|
"B. nu prezinta canale ionice;",
|
|
"C. este un citoschelet proteic;",
|
|
"D. este polarizata electric."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Celulele eucariote:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. nu contin ribozomi;",
|
|
"B.contin material gen etic sub forma de nucleoid;",
|
|
"C.contin citoplasma;",
|
|
"D.sunt reprezentative pentru bacterii."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Cromozomii:",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. stocheaz\u0103 informa\u0163ia genetic\u0103;",
|
|
"B. au dou\u0103 cromatide diferite din punct de vedere biochimic \u015fi genetic;",
|
|
"C. num\u0103rul de cromozomi nu reprezint\u0103 o ca racteristic\u0103 a speciei;",
|
|
"D. nu sunt alcatuiti din acizi nucleici."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Au \u00eenveli\u015f dublu :",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. cloroplastele;",
|
|
"B. ribozomii;",
|
|
"C. nucleoidul;",
|
|
"D. nucleolii."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Cea mai important\u0103 rezerv\u0103 glucidic\u0103 din celulele vegetale este:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. glicogenul;",
|
|
"B. clorofil a;",
|
|
"C. amidonul;",
|
|
"D. celuloza."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Cristele mitocondriale:",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. se formeaz\u0103 prin invaginarea membranei externe a mitocondriilor;",
|
|
"B. se formeaz\u0103 prin invaginarea membranei interne a mitocondriilor;",
|
|
"C. pot avea doar forma sferic\u0103;",
|
|
"D. con\u0163in stroma."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Grana:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. este prezent\u0103 \u00een structura mitocondriilor;",
|
|
"B. este o structur\u0103 membranar\u0103;",
|
|
"C. este prezent\u0103 \u00een celulele procariote;",
|
|
"D. particip\u0103 la realizarea mi\u015fc\u0103rilor citoplasmatice."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "George Emil Palade, laureat al premiului Nobel, a descoperit:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. mitocodriile;",
|
|
"B. cloroplastele;",
|
|
"C. ribozomii;",
|
|
"D. lizozomii."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Mitocondriile:",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. stocheaz\u0103 energia \u00een moleculele de ATP;",
|
|
"B. au rol \u00een sinteza proteinelor;",
|
|
"C. au rol \u00een digestia celular\u0103;",
|
|
"D. coordoneaz\u0103 activitatea celular\u0103."
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Membrana celular \u0103:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. se prezint\u0103 ca un sistem coloidal;",
|
|
"B. are o structur\u0103 polizaharidic\u0103;",
|
|
"C. are permeabilitate selectiv\u0103;",
|
|
"D. delimiteaz\u0103 nucleul celulei."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "In telofaza mitozei au loc urm\u0103toarele fenomene :",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. dispunerea cromozomilor \u00een plan ecuatorial;",
|
|
"B. clivarea longitudinala a cromozomilor;",
|
|
"C. reapar nucleul \u015fi membrana nuclear\u0103;",
|
|
"D. ajung la polii celulei cromozomi bicromatidici ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "La sf\u00e2r\u015fitul meiozei se formeaz\u0103:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. dou\u0103 celule haploide;",
|
|
"B. dou\u0103 celule diploide;",
|
|
"C. patru celule haploide;",
|
|
"D. patru celule diploide;"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Organitele celulare :",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A.protejeaza celula ;",
|
|
"B. controleaza activitatea celulei;",
|
|
"C.reprezinta mediul intracelular;",
|
|
"D.desfasoara functii specifice."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "\u00cen anafaza mitotic\u0103 :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. migreaz\u0103 c\u0103tre polii celulei cromozomi monocro matidici;",
|
|
"B. membrana nuclear\u0103 reapare;",
|
|
"C. centrozomul organizeaz\u0103 fusul de diviziune;",
|
|
"D. se formeaz\u0103 membrana celular\u0103 ce va separa celulele fiice."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Materialul genetic:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. determina ordinea de inlantuire a aminoacizilor in proteine;",
|
|
"B.realizeaza sc himburi cu mediul extern;",
|
|
"C.este reprezentat de ADN si ARN;",
|
|
"D. este sediul proceselor celulare."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Ribozomii:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. contin enzime hidrolitice;",
|
|
"2. au rol in sintezele proteice;",
|
|
"3. lipsesc din celula vegetala;",
|
|
"4. contin prot eine si ARN."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Crossing - over - ul:",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. are loc in profaza II a meiozei",
|
|
"2. are loc in profaza I a meiozei",
|
|
"3. reprezinta o recombinare intercromozomiala",
|
|
"4. reprezinta o recombinare intracromozomiala"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Cromozomii sunt bicromatidici in:",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. anafaza I a meiozei",
|
|
"2. metafaza II a meiozei",
|
|
"3. metafaza mitozei",
|
|
"4. anafaza II a meiozei"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Proteinele din membrana celulara:",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. sunt dispuse in doua straturi",
|
|
"2. participa la transportul activ",
|
|
"3.sunt dispuse sub forma unui strat bimolecular",
|
|
"4.par ticipa la transportul substantelor prin membrana"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Vacuolele:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. sunt m\u0103rginite de tonoplast",
|
|
"2. sunt structuri permanente \u00een celulele vegetale",
|
|
"3. pot depozita substan\u0163e de rezerv\u0103 \u015fi nutrienti",
|
|
"4. con\u0163in ARN plastidial si enzime implicate in bios inteze"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Tipurile de transport membranar fara consum de energie sunt:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1.exocitoza",
|
|
"2. osmoza",
|
|
"3. endocitoza",
|
|
"4. difuzia"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Cloroplastele fac parte din:",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. condriozom",
|
|
"2. vacuom",
|
|
"3. mezozom",
|
|
"4. plastidom"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Matricea mitocondriala contine:",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. ADN",
|
|
"2. ARN",
|
|
"3. ribozomi",
|
|
"4. o membrana interna cutata"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Totalitatea \u00eensu\u015firilor unui organism reprezinta:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. genotipul",
|
|
"2. genofondul",
|
|
"3. centromerul",
|
|
"4. fenotipul"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Organite celulare specifice unor celule sunt:",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1.ribozomii",
|
|
"2. neuro fribrilele",
|
|
"3. mitocondriile",
|
|
"4.miofibrilele"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Pozitia ocupata de gena in cromozom se numeste:",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. segregare",
|
|
"2. mezozom",
|
|
"3. linkage",
|
|
"4. locus"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Citosolul :",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1.este opac",
|
|
"2. prezinta o retea complexa de fibre lipidice",
|
|
"3. nu are organizare str ucturala",
|
|
"4. prezinta curenti citoplasmatici"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Citoplasma contine :",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. citosol",
|
|
"2. organite celulare",
|
|
"3.incluziuni citoplasmatice",
|
|
"4. nucleoid"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Plastidele nefotosintetizatoare sunt:",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. rodoplastele",
|
|
"2. cromoplastele",
|
|
"3. feoplastele",
|
|
"4. leucoplastele"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Rolul ribozomilor:",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. digestia intracelulara",
|
|
"2. sinteza proteinelor celulare",
|
|
"3.detoxifierea celulei",
|
|
"4.sinteza catenelor polipeptidice"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "\u00cen telofaza mitotic\u0103:",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. cromozomii omologi se cupleaz\u0103 \u00een bivalen\u0163i;",
|
|
"2. are loc schimbul de segmente cromo zomiale \u00eentre omologi;",
|
|
"3. apare evident fenomenul de clivaj;",
|
|
"4. dispare fusul nuclear."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Aparatul Golgi:",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. prezint\u0103 membran\u0103 dubl\u0103 ;",
|
|
"2.este format din dictiozomi ;",
|
|
"3. prezint\u0103 enzime respiratorii;",
|
|
"4. produce secretii celulare."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "\u00cen profaza mitotic\u0103 au loc urm\u0103toarele fenomene:",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. centrozomul organizeaz\u0103 fusul de diviziune;",
|
|
"2. membrana nuclear\u0103 \u015fi nucleolii se dezorganizeaz\u0103;",
|
|
"3. filamentele de cromatin\u0103 se condenseaz\u0103 form\u00e2nd cromozomi ;",
|
|
"4. cromozomii se dispun \u00een placa ecuatorial\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Crossing -overul reprezint\u0103:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. schimb reciproc de gene intre cromozomii neomologi;",
|
|
"2. schimb reciproc de gene intre cromozomii omologi;",
|
|
"3. are loc in anafaza mitozei;",
|
|
"4. duce la formarea cromozomilor recombina\u0163i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Peroxizomii:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. deriva din vacu ole;",
|
|
"2. deriva din reticulul endoplasmatic;",
|
|
"3. au rol in transportul intracelular;",
|
|
"4. contine enzime detoxifiante."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Elementele comune mitozei \u015fi meiozei sunt:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. num\u0103rul de cromozomi din celulele fiice;",
|
|
"2. cromozomii bicromatidici de la sf\u00e2r\u015fitul diviziunii;",
|
|
"3. tetradele cromozomale din placa metafazic\u0103;",
|
|
"4. fusul de diviziune."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Leucoplastele:",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. sunt plastide incolore;",
|
|
"2. depoziteaza substante nutritive;",
|
|
"3.sunt prezente in radacini;",
|
|
"4. sunt implicate in fotosinteza."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Sunt formate di n proteine contractile:",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. membrana celular\u0103;",
|
|
"2. cloroplastele;",
|
|
"3. peretele celular;",
|
|
"4. fibrele fusului de diviziune."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Clorofila:",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1.coloreaza cromoplastele in verde",
|
|
"2. este un pigment fotosintetizant;",
|
|
"3.coloreaza cloroplastele in galben",
|
|
"4.este si tuata pe tilacoide"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Sunt celule binucleate :",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. eritrocitele adulte ;",
|
|
"2. celulele musculare striate ;",
|
|
"3.celulele musculare netede ;",
|
|
"4.hepatocitele."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Procentul crossing -over-ului:",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. Este cu at\u00e2t mai mare cu c\u00e2t distan\u0163a dintre gene este mai mi c\u0103;",
|
|
"2. Este cu at\u00e2t mai mare cu c\u00e2t distan\u0163a dintre gene este mai mare;",
|
|
"3. Depinde de genele antrenate \u00een schimb;",
|
|
"4. Cre\u015fte propor\u0163ional cu distan\u0163a dintre gene."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Citoplasma celulelor:",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. Este o materie cristalizat\u0103;",
|
|
"2. La exterior este delimitat \u0103 de peretele celular;",
|
|
"3. Se afl\u0103 \u00eentotdeauna \u00een starea de sol;",
|
|
"4. Este un sistem coloidal."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Reticulul endoplasmatic:",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. Poate fi neted sau rugos;",
|
|
"2. Este uneori \u00eenso\u0163it de ribozomi;",
|
|
"3. Asigur\u0103 circula\u0163ia intracitoplasmatic\u0103;",
|
|
"4. Are rol \u00een elabo rarea produ\u015filor de secre\u0163ie."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "Membrana celular\u0103:",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. este de natur\u0103 lipoproteic\u0103;",
|
|
"2. este semipermeabil\u0103;",
|
|
"3. este polarizat\u0103 electric;",
|
|
"4. prezint\u0103 alc\u0103tuire caracterizat\u0103 prin modelul \u201emozaicului fluid\u201d."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
},
|
|
{
|
|
"question": "A\u015fezarea cromozomilor la ecuatoru l fusului de diviziune se realizeaz\u0103:",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. \u00cen anafaza etapei reduc\u0163ionale;",
|
|
"2. \u00cen metafaza diviziunii mitotice;",
|
|
"3. \u00cen anafaza mitozei \u015fi meiozei;",
|
|
"4. \u00cen metafaza I \u015fi metafaza II a meiozei."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2014"
|
|
}
|
|
] |
