diff --git "a/questions4.json" "b/questions4.json" new file mode 100644--- /dev/null +++ "b/questions4.json" @@ -0,0 +1,6082 @@ +[ + { + "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" + } +] \ No newline at end of file