|
[
|
|
{
|
|
"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"
|
|
},
|
|
{
|
|
"question": "Cromozomi monocromatidici sunt eviden\u021bia\u021bi la:",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. \u00cenceputul metafazei mitotice",
|
|
"B. Sf\u00e2r\u0219itul telofazei I",
|
|
"C. Sf\u00e2r\u0219itul diviziunii meiotice",
|
|
"D. \u00cenceputul meiozei II"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Centriolii:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. Sunt forma\u021bi din 9 grupuri de c\u00e2te 2 microtubuli",
|
|
"B. Con\u021bin fiecare 2 forma\u021biuni numite centrozomi",
|
|
"C. Se fixeaz\u0103 la polii fusului de diviziune prin filamente kinetocorale",
|
|
"D. Au proprietatea de a se replica \u0219i de a migra spre polii celulei"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Cromozomii bicromatidici sunt recombina\u021bi la:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. \u00cenceputul telofazei II",
|
|
"B. Sf\u00e2r\u0219itul anafazei II",
|
|
"C. Sf\u00e2r\u0219itul metafazei I",
|
|
"D. \u00cenceputul profazei I"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Chitina este:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. Un glucid",
|
|
"B. O protein\u0103",
|
|
"C. O enzim\u0103",
|
|
"D. O substan\u021b\u0103 lipidic\u0103"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Dictiozomii spre deosebire de lizozmi:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. Sunt m\u0103rgini\u021bi de membran\u0103 simpl\u0103",
|
|
"B. Con\u021b in enzime oxido -reduc\u0103toare",
|
|
"C. \u00cempacheteaz\u0103 substan\u021be utile organismului",
|
|
"D. Pot hidroliza substan\u021be cu ajutorul unor enzime digestive"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "O celul\u0103 cu 2n=42 con\u021bine \u00een anafaza I a diviziunii meiotice:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. 42 cromozomi monocromatidici",
|
|
"B. 42 cromozomi bicromatidici",
|
|
"C. 84 cromo zomi monocromatidici",
|
|
"D. 21 cromozomi bicromatidici"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Structur\u0103 lipsit\u0103 de membran\u0103 proprie este:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. Reticulul endoplasmatic",
|
|
"B. Vacuola",
|
|
"C. Lizozomul",
|
|
"D. Centrozomul"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "\u00cen F 2 raportul de segregare fenotipic \u0219i genotipic de 1:2:1 apare \u00een cazul:",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. Semidominan\u021bei",
|
|
"B. Dihibrid\u0103rii",
|
|
"C. Codominan\u021bei",
|
|
"D. Monohibrid\u0103rii"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Proteinele -pomp\u0103 din membrana celular\u0103 sunt implicate \u00een:",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. Osmoz\u0103",
|
|
"B. Difuziune",
|
|
"C. Exocitoz\u0103",
|
|
"D. Transportul activ"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Celulele somatice:",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. Sunt haploide",
|
|
"B. Con\u021bin 2 seturi cromozomiale",
|
|
"C. Au la om 46 de autozomi",
|
|
"D. Se formeaz\u0103 prin meioz\u0103"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Procentu l de indivizi homozigo\u021bi recesivi din F 2 , rezulta\u021bi \u00een urma monohibrid\u0103rii e de:",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. 50%",
|
|
"B. 75%",
|
|
"C. 25%",
|
|
"D. 100%"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "ARN -ul mesager:",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. Transport\u0103 aminoacizii la nivelul ribozomului",
|
|
"B. Con\u021bine informa\u021bia genetic\u0103 pentru succesiune aminoacizilor \u00een molecula proteic\u0103",
|
|
"C. Intr\u0103 \u00een st ructura ribozomilor",
|
|
"D. Este format din unit\u0103\u021bi repetitive numite nucleoli"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Stroma este substan\u021ba fundamental\u0103 a:",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. Mitocondriei",
|
|
"B. Vacuolei",
|
|
"C. Cloroplastului",
|
|
"D. Nucleului procariot"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Clorofila particip\u0103 la:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. Stocarea energiei luminoase",
|
|
"B. Stocarea energiei calorice",
|
|
"C. Transportul oxigenului",
|
|
"D. Stocarea informa\u021biei genetice"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Nucleul prezint\u0103 urm\u0103toarele elemente componente:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. Nucleoplasm\u0103, membran\u0103 nuclear\u0103 dubl\u0103, plasmalema",
|
|
"B. Membran\u0103 nuclear\u0103 simpl\u0103, nucleo l, citoplasm\u0103",
|
|
"C. Nucleoplasm\u0103, membran\u0103 nuclear\u0103 dubl\u0103, nucleoli",
|
|
"D. Nucleopla sm\u0103, mitocondrii, membran\u0103 nuclear\u0103 dubl\u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Enzimele fac parte din categoria:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. Substan\u021belor anorganice",
|
|
"B. Proteinelor",
|
|
"C. Lipidelor",
|
|
"D. Glucidelor"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Clorofila:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. Este un pigment respirator",
|
|
"B. Con\u021bine \u00een molecul\u0103 magneziu",
|
|
"C. Con\u021bine \u00een molecul\u0103 fier",
|
|
"D. Con\u021bine \u00een molecul\u0103 calci u"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Cromatidele sunt componente ale:",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. Centromerului",
|
|
"B. Fusului de diviziune",
|
|
"C. Bivalen\u021bilor",
|
|
"D. Nucleolilor"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Transportul intracelular este asigurat de:",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. Ribozomi",
|
|
"B. Reticul endoplasmatic",
|
|
"C. Vase liberiene",
|
|
"D. Perete celular"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Plasmalem a:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. Este constituit\u0103 din 2 straturi gl ucidice",
|
|
"B. Este rigid\u0103 \u0219i are rol de schelet",
|
|
"C. Prezint\u0103 punctua\u021biuni",
|
|
"D. Este fluid\u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Este substan\u021b\u0103 cu rol de rezerv\u0103:",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. Celuloza",
|
|
"B. Chitina",
|
|
"C. Amidonul",
|
|
"D. Mucilagiile"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Osmoza:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. Se realizeaz\u0103 prin membrane permeabile",
|
|
"B. Se realizeaz\u0103 c\u00e2nd 2 solu\u021bii de concentra\u021bii diferite s unt separate printr -o membran\u0103 impermeabil\u0103",
|
|
"C. Are loc cu consum de energie",
|
|
"D. Este un proces de transport pasiv"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Organismele unicelulare pot avea ca forma\u021biuni locomotorii:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. Miofibrilele",
|
|
"B. Flagelii",
|
|
"C. Lizozomii",
|
|
"D. Dictiozomii"
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Procariotele:",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. Prezint\u0103 \u00een celul\u0103 mai m ul\u021bi cromozomi perechi",
|
|
"B. Sunt lipsite de membran\u0103 celular\u0103",
|
|
"C. Se divid prin mitoz\u0103 \u0219i meioz\u0103",
|
|
"D. Au un singur cromozom circular"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "\u00cen timpul metefazei:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. Are loc dublarea cantit\u0103\u021bii de material genetic",
|
|
"B. Cromozomii ating spiralizarea maxim\u0103",
|
|
"C. Se dezorganizeaz\u0103 fusul de d iviziune",
|
|
"D. Cromozomii migreaz\u0103 spre polii celul ei"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Fenotipul:",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. Reprezint\u0103 totalitate factorilor ereditari",
|
|
"B. Rezult\u0103 \u00een urma interac\u021biunii dintre genotip \u0219i mediu",
|
|
"C. Reprezint\u0103 totalitatea genelor",
|
|
"D. Este o etap\u0103 a amitozei"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Game\u021bii sunt:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. Puri din punct de vedere genetic",
|
|
"B. Celule diploide",
|
|
"C. Celule haploide sau diploide",
|
|
"D. Celule haploide numite spori"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Ciclul celular:",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. Reprezint\u0103 cele 4 faze ale diviziunii",
|
|
"B. Cuprinde interfaza \u0219i diviziunea propriu -zis\u0103",
|
|
"C. Cuprinde mitoza \u0219i meioza",
|
|
"D. Nu cuprinde interfaza"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Plasmoliza are loc :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. C\u00e2nd concentra\u021bia apei din celul\u0103 este mai mare dec\u00e2t \u00een exterior",
|
|
"B. C\u00e2nd concentra\u021bia apei din celul\u0103 este mai mic\u0103 dec\u00e2t \u00een exterior",
|
|
"C. C\u00e2nd membrana celular\u0103 devine impermeabil\u0103 pentru ap\u0103",
|
|
"D. Cu m\u0103rirea volumului celulei"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Prin \u00eencruci\u0219area a 2 indivizi dublu homozigo\u021bi, se ob\u021bin \u00een F 1:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. Organisme care pot genera 6 tipuri de game\u021bi",
|
|
"B. 8 combina\u021bii dintre care 2 sunt diferite de genitori",
|
|
"C. Organisme care pot genera 4 tipuri de game\u021bi",
|
|
"D. Organisme dublu homozigote"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Fenomenul heterozis determin\u0103:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. Apari\u021bia unui fenotip nou, grupa de s\u00e2n ge AB",
|
|
"2. Un fenotip intermediar \u00een F 2",
|
|
"3. Moartea indivizilor care prezint\u0103 gene \u00een stare homozigot\u0103",
|
|
"4. Cre\u0219terea rezisten\u021bei \u0219i fertilit\u0103\u021bii descenden\u021bilor heterozigo\u021bi"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Pigmen\u021bii carotenoizi sunt caracteristici:",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. Leucolastelor",
|
|
"2. Cloroplastelor",
|
|
"3. Proteoplastelor",
|
|
"4. Cromo plastelor"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Plastidele \u0219i mitocondriile:",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. Au culoare verde",
|
|
"2. Au material genetic",
|
|
"3. Au rol secretor",
|
|
"4. Au membran\u0103 dubl\u0103"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Diviziunea celular\u0103 are rol \u00een:",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. Cre\u0219terea \u0219i dezvoltarea organismelor",
|
|
"2. Reproducerea organismelor",
|
|
"3. Refacerea \u021besuturilor lezate",
|
|
"4. Cre\u0219terea volum ului celular"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Cromozomii devin monocromatidici \u00een:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. Anafaz\u0103",
|
|
"2. Anafaza I",
|
|
"3. Anafaza II",
|
|
"4. Profaza II"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Acizii nucleici sunt prezen\u021bi \u00een:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. Mitocondrii",
|
|
"2. Cloroplaste",
|
|
"3. Nucleu",
|
|
"4. Ribozomi"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Prin procesul de osmoz\u0103 se realizeaz\u0103:",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. Plasmoliza",
|
|
"2. Deplasmoliza",
|
|
"3. Turgescen\u021ba",
|
|
"4. Difuziu nea"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "ADN -ul:",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. Este bicatenar",
|
|
"2. Se replic\u0103 \u00een interfaz\u0103",
|
|
"3. Este un compus polinucleotidic",
|
|
"4. Este prezent \u00een cloroplaste"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Organisme dublu heterozigote sunt:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. MMRR",
|
|
"2. MMRr",
|
|
"3. Mmrr",
|
|
"4. MmRr"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Profaza I se caracterizeaz\u0103 prin:",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1. Dezorganizarea membranei nucleare",
|
|
"2. Formarea de tetrade cromozomiale",
|
|
"3. Procesul de crossing -over",
|
|
"4. Reorganizarea membranei nucleare"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Sunt plastide nefotosintetizatoare:",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. Leucoplastele",
|
|
"2. Rodoplastele",
|
|
"3. Amiloplastele",
|
|
"4. Feoplastele"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Codominan\u021ba:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. Determin\u0103 apari\u021bia unui fenotip nou",
|
|
"2. Este interac\u021biunea dintre genele nealele dominante",
|
|
"3. Se manifest\u0103 \u00een determinarea genetic\u0103 a grupelor sangvine la om",
|
|
"4. Determin\u0103 un fenotip intermediar"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "\u00cen celule sunt prezente glucide complexe precum:",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. Chitina",
|
|
"2. Colorofila",
|
|
"3. Celuloza",
|
|
"4. Cheratina"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Componentele n eprotoplasmatice celulare sunt:",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. Mitocondriile",
|
|
"2. Incluziunile ergastice",
|
|
"3. Cloroplastele",
|
|
"4. Peretele celular"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Mecanisme care folosesc proteine transportoare sunt:",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. Osmoza",
|
|
"2. Difuziunea facilitat\u0103",
|
|
"3. Difuziunea",
|
|
"4. Transportul activ"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Autozomii:",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. Sunt cromozomii sexului",
|
|
"2. Sunt \u00een num\u0103r de 22 perechi la om",
|
|
"3. Sunt diferi\u021bi la cele dou\u0103 sexe",
|
|
"4. Sut prezen\u021bi \u00een garnitura cromozomial\u0103 a fiec\u0103rei specii"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Sunt comonente ale cromozomilor de tip eucariot:",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. Cromatidele",
|
|
"2. Centrozomul",
|
|
"3. Bra\u021bele cromozomiale",
|
|
"4. Centriolul"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Clorofila este localizat\u0103 \u00een urm\u0103toarele structuri ale cloroplastelor:",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. Tilacoide",
|
|
"2. Strom\u0103",
|
|
"3. Grana",
|
|
"4. ADN"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Peretele celular al ciupercilor con\u021bine:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. Glicogen",
|
|
"2. Clorofil\u0103",
|
|
"3. Lipide",
|
|
"4. Chitin\u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Ribozomii:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. Con\u021bin enzime hidrolitice",
|
|
"2. Con\u021bin ADN \u0219i proteine",
|
|
"3. Lipsesc \u00een celula procariot\u0103",
|
|
"4. Sunt forma\u021bi din 2 subunit\u0103\u021bi"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "\u00cen interfaz\u0103:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. Are loc sinteza ADN -ului",
|
|
"2. Au loc sinteze proteice",
|
|
"3. Cromozomii sunt decondensa\u021bi",
|
|
"4. Se formeaz\u0103 fusul de diviziune"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Individualizarea cromozomiilor prin spiralizarea cromatinei are loc \u00een:",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. Interfaz\u0103",
|
|
"2. Telofaz\u0103",
|
|
"3. Anafaz\u0103",
|
|
"4. Profaz\u0103"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Pentru observarea meiozei pot fi folosite urm\u0103toarele forma\u021biuni:",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. Antera staminei",
|
|
"2. V\u00e2rful r\u0103d\u0103cinii",
|
|
"3. Ovulul",
|
|
"4. V\u00e2rful tulpinii"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Num\u0103rul de cromozomi:",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. Este simplu \u00een celulele somatice",
|
|
"2. Se reduce la jum\u0103tate prin meioz\u0103",
|
|
"3. Este dublu \u00een celulele haploide",
|
|
"4. Este haplo id la sporii ferigilor"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Amitoza:",
|
|
"question_number": "55",
|
|
"options": [
|
|
"1. Cuprinde 2 etape, reduc\u021bional\u0103 \u0219i ecva\u021bional\u0103",
|
|
"2. Este sinonim\u0103 cu meioza",
|
|
"3. Este caracteristic\u0103 eucariotelor",
|
|
"4. Este caracteristic\u0103 bacteriilor"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Nucleosomii:",
|
|
"question_number": "56",
|
|
"options": [
|
|
"1. Con\u021bin proteine histonice",
|
|
"2. Sunt conecta\u021bi \u00eentre ei prin fragmente de AD N",
|
|
"3. Sunt unit\u0103\u021b ile structurale ale cromatinei",
|
|
"4. Se numesc nucleoli \u00een celula procariot\u0103"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Membran\u0103 celular\u0103 lipoproteic\u0103 \u0219i perete celular polizaharidic au:",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. Algele",
|
|
"2. Ciupercile",
|
|
"3. Plantele",
|
|
"4. Animalale"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Oleoplastele:",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. Sunt cromoplaste",
|
|
"2. Depoziteaz\u0103 lipide",
|
|
"3. Au rol \u00een fo tosintez\u0103",
|
|
"4. Se pot g\u0103si \u00een semin\u021be"
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Ribozomii:",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. Se v\u0103d la microscopul optic",
|
|
"2. Sunt alc\u0103tui\u021bi din ADN \u0219i proteine",
|
|
"3. Au 2 subunit\u0103\u021bi identice",
|
|
"4. Sunt prezen\u021bi la procariote \u0219i eucariote"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Incluziuni ergastrice organice sunt:",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. R\u0103\u0219ina",
|
|
"2. Taninul \u0219i mucilagiile",
|
|
"3. Amidonul",
|
|
"4. Cristalele de oxala\u021bi III.Probleme :"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2015"
|
|
},
|
|
{
|
|
"question": "Reticulul endoplasmatic:",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. face parte din categoria constituien\u0163ilor celulari neprotoplasmatici;",
|
|
"B. este un constituient specific celulelor vegetale;",
|
|
"C. este considerat \u201euzina energetic\u0103\u201d a celulei;",
|
|
"D. este un sistem de canalicule, cu structur\u0103 asem\u0103 n\u0103toare membranei celulare."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "\u00cen profaza diviziunii mitotice are loc:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. recombinarea genetic\u0103;",
|
|
"B. dezorganizarea membranei nucleare ;",
|
|
"C. dublarea cantit\u0103\u0163ii de ADN;",
|
|
"D. dispunerea cromozomilor \u00een planul ecuatorial al celulei."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Indica\u0163i varianta corect\u0103 referitoare la pl astide:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. la microscopul optic se poate observa structura cloroplastelor;",
|
|
"B. la Feoficee se g\u0103sesc plastide car e con\u0163in clorofil\u0103 \u015fi ficoeritrin\u0103;",
|
|
"C. \u00een structura cloroplastelor se diferen\u0163iaz\u0103 o membran\u0103 dubl\u0103, stroma \u015fi grana;",
|
|
"D. cromatoforii sunt plastide mici, in colore."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "ADN \u2013ul:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. este localizat at\u00e2t \u00een nucleu, c\u00e2t \u015fi \u00een mitocondrii, cloroplaste \u015fi \u00een alte organite celulare;",
|
|
"B. confer\u0103 specificitate biostructurilor prin asigurarea caracteristicii de autoreproducere;",
|
|
"C. determin\u0103 sensul, viteza \u015fi succesiunea tuturor proc eselor metabolice din organism;",
|
|
"D. face parte din categoria substan\u0163elor lipidice."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Urm\u0103torii constituien\u0163i ai celulei vegetale NU pot fi observa\u0163i dec\u00e2t la microscopul electronic:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. peretele celular;",
|
|
"B. mitocondriile;",
|
|
"C. nucleul;",
|
|
"D. ribozomii."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Aparatul Golgi:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. este a\u015fe zat distal fa\u0163\u0103 de nucleu;",
|
|
"B. con\u0163ine, \u00een vezicule, produ\u015fi de secre\u0163ie;",
|
|
"C. este organit autodivizibil;",
|
|
"D. con\u0163ine acizi nucleici."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "\u00cen metafaza mitozei:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. celulele cresc \u00een volum;",
|
|
"B. cromozomii bicromatidici se a\u015feaz\u0103 la ecuatorul celulei;",
|
|
"C. cromozomii ajung la poli;",
|
|
"D. se desf\u0103\u015foar\u0103 procese metabolice intense."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Cromozomii din anafaza I sunt:",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. monocromatidici;",
|
|
"B. a\u015feza\u0163i \u00een plan ecuatorial;",
|
|
"C. \u00een deplasare spre poli;",
|
|
"D. deplasa\u0163i prin contrac\u0163ia fibrelor cromozomiale."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Telofaza II:",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. este penultima faz\u0103 din etapa a II -a a meiozei;",
|
|
"B. urmeaz \u0103 dup\u0103 telofaza I;",
|
|
"C. este cea mai important\u0103 faz\u0103 a meiozei;",
|
|
"D. presupune dezorganizarea fusului de diviziune."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "\u00cen game\u0163i:",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. cromozomii sunt tetracromatidici;",
|
|
"B. num\u0103rul cromozomilor este identic cu cel din celulele somatice;",
|
|
"C. se formeaz\u0103 placa metafazic\u0103;",
|
|
"D. cromozomii sunt recombina\u0163i genetic."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Fenotipul:",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. este independent de mediu;",
|
|
"B. r\u0103m\u00e2ne identic toat\u0103 via\u0163a;",
|
|
"C. nu afecteaz\u0103 structura genotipului;",
|
|
"D. este mo\u015ftenit de la descenden\u0163i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Crossing \u2013 over-ul are loc \u00eentre:",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. cromatidele nesurori ale bivalen\u0163ilor;",
|
|
"B. cromozomii neomolog i;",
|
|
"C. cromatidele surori ale unui cromozom bicromatidic;",
|
|
"D. cromozomii monocromatidici."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Fenomenul linkage a fost demonstrat pe musculi\u0163a de o\u0163et, folosind:",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. mascul cu corp gri \u015fi aripi lungi X femel\u0103 dubl\u0103 mutant\u0103;",
|
|
"B. femel\u0103 dubl\u0103 heterozigot\u0103 X mascul dublu mutant ;",
|
|
"C. femel\u0103 cu aripi lungi \u015fi corp gri X mascul dublu mutant;",
|
|
"D. femel\u0103 dubl\u0103 heterozigot\u0103 X mascul dublu heterozigot."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "\u00cen genera\u0163ia F1 a unei dihibrid\u0103ri rezult\u0103 organisme:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. care au fost denumite linii pure;",
|
|
"B. neuniforme fenotipic;",
|
|
"C. hibride, dublu heterozigote;",
|
|
"D. identice genotipic cu unul dintre p\u0103rin\u0163i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Codominan\u0163a \u00eenseamn\u0103:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. c\u0103 exist\u0103 un caracter dominant fa\u0163\u0103 de cel\u0103lalt caracter;",
|
|
"B. c\u0103 exist\u0103 un raport de egalitate \u00eentre gene \u00een stare heterozigot\u0103;",
|
|
"C. c\u0103 descenden\u0163ii heterozigo\u0163i \u00een F1 sunt mai productivi dec\u00e2t genitor ii homozigo\u0163i;",
|
|
"D. c\u0103 formele homozigote exprim\u0103 caracterul intermediar."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Sinteza de ADN:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. este catalizat\u0103 de enzima ARN \u2013 polimeraza;",
|
|
"B. se realizeaz\u0103 dup\u0103 modelul conservativ;",
|
|
"C. se mai nume\u015fte renaturare;",
|
|
"D. are loc \u00een interfaz\u0103."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Nucleoidul este prezent \u00een:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. celula b acterian\u0103;",
|
|
"B. organismul protozoarelor;",
|
|
"C. celula eucariot\u0103;",
|
|
"D. toate celulele animale."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Fotoliza apei are loc \u00een timpul:",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. ciclului Calvin;",
|
|
"B. fazei de lumin\u0103 a fotosintezei;",
|
|
"C. fazei de \u00eentuneric a fotosintezei;",
|
|
"D. ciclului lui Krebs."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Totalitatea glucidelor de pe suprafa\u0163a celular\u0103 formeaz\u0103:",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. glicogenul;",
|
|
"B. glicocalixul;",
|
|
"C. glicoliza;",
|
|
"D. ergastoplasma."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Urm\u0103toarele afirma\u0163ii referitoare la celula eucariot\u0103 sunt adev\u0103rate, cu o EXCEP\u0162IE:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. nu are nucleu bine individualizat;",
|
|
"B. nucleul prezint\u0103 o membran\u0103 dubl\u0103, cu pori;",
|
|
"C. are ribozomi mai ma ri dec\u00e2t cei din celula procariot\u0103;",
|
|
"D. citosolul con\u0163ine organite celulare \u015fi citoschelet."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Transportul activ prin membrana celular\u0103 :",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. se realizeaz\u0103 prin difuziune;",
|
|
"B. presupune deplasarea moleculelor \u00een sensu l gradientului lor de concentra\u0163 ie;",
|
|
"C. proteina transport oare func\u0163 ioneaz\u0103 ca o pomp\u0103 ;",
|
|
"D. func\u0163 ioneaz\u0103 f\u0103r\u0103 consum de energie."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Din categoria lipidelor simple fac parte:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. fosfolipidele;",
|
|
"B. ceridele ;",
|
|
"C. trigliceride le;",
|
|
"D. glicogen ul."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Miofibrilele:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. sunt organite specifice prezente \u00een neuron ;",
|
|
"B. sunt alc\u0103tuite dintr -o alternan\u0163\u0103 de discuri clare \u015f i \u00eentunecate ;",
|
|
"C. au rol \u00een conducerea influxului nervos ;",
|
|
"D. sunt mase dense de reticul endoplasmatic rugos ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Crossing -over-ul:",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. se mai nume\u015f te recombinare intercromozomal\u0103 ;",
|
|
"B. are loc \u00een metafaza I ;",
|
|
"C. se realizeaz\u0103 \u00eentre cromatidele surori ;",
|
|
"D. reprezint\u0103 schimbul reciproc de gene \u00eentre cro mozomii omologi ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Genele letale:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. determin\u0103 moartea indivizilor \u00een stare homozigot\u0103 ;",
|
|
"B. au fost descope rite la Drosophila melanogaster;",
|
|
"C. \u00een stare heterozigot\u0103 determin\u0103 moartea individului ;",
|
|
"D. determin\u0103 un raport de s egregare \u00een F1 de 1:2:1 ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Nucleul celular:",
|
|
"question_number": "26",
|
|
"options": [
|
|
"1. este un constituient specific plantelor;",
|
|
"2. este centrul coordonator al metabolismului celular;",
|
|
"3. examinat la microscop, apare mai pu\u0163in dens dec\u00e2t citoplasma;",
|
|
"4. prezint\u0103 o membran\u0103 dubl\u0103, poro as\u0103."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Reticulul endoplasmatic:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"1. are rol \u00een producerea secre\u0163iilor;",
|
|
"2. asigur\u0103 transportul intra \u2013 \u015fi intercelular;",
|
|
"3. particip\u0103 la sinteza membranelor lipoproteice \u015fi a polizaharidelor;",
|
|
"4. m\u0103re\u015fte considerabil suprafa\u0163a membranei \u00een interiorul celule i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Plasmalema celulei bacteriene:",
|
|
"question_number": "28",
|
|
"options": [
|
|
"1. este primul \u00eenveli\u015f al celulei;",
|
|
"2. are rol \u00een respira\u0163ie;",
|
|
"3. se poate invagina pentru a forma vezicule;",
|
|
"4. nu prezint\u0103 fenomene de fagocitoz\u0103 \u015fi pinocitoz\u0103."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Care dintre urm\u0103toarele formul\u0103ri despre mitoz\u0103 sunt adev\u0103rate?",
|
|
"question_number": "29",
|
|
"options": [
|
|
"1. genereaz\u0103 uniformitate;",
|
|
"2. genereaz\u0103 biodiversitate;",
|
|
"3. este diviziunea celulelor somatice;",
|
|
"4. \u00eenjum\u0103t\u0103\u0163e\u015fte num\u0103rul de cromozomi."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "\u00cen anafaza I a meiozei:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"1. bivalen\u0163ii se ordoneaz\u0103 \u00een plan ecuatorial;",
|
|
"2. se realizeaz\u0103 separarea omolog ilor;",
|
|
"3. se formeaz\u0103 tetradele cromozomiale;",
|
|
"4. un omolog din fiecare pereche este translocat la un pol, iar cel\u0103lalt la polul opus."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Epistazia:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. este o interac\u0163iune \u00eentre gene nealele;",
|
|
"2. a fost observat\u0103 la \u015foarecii galbeni;",
|
|
"3. apare \u00een cazul \u00een ca re o gen\u0103 inhib\u0103 activitatea unei alte gene;",
|
|
"4. apare c\u00e2nd gene diferite coopereaz\u0103 \u00een realizarea unuia \u015fi aceluia\u015fi caracter."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Drosophila melanogaster se caracterizeaz\u0103 prin:",
|
|
"question_number": "32",
|
|
"options": [
|
|
"1. metamorfoz\u0103 complet\u0103;",
|
|
"2. prezen\u0163a cromozomilor politeni \u00een celulele gland elor salivare ale larvelor;",
|
|
"3. la tipul normal ochii sunt de culoare ro\u015fu - c\u0103r\u0103miziu;",
|
|
"4. la tipul s\u0103lbatic corpul are culoare gri \u2013 cenu\u015fie."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Determinismul genic al sexelor:",
|
|
"question_number": "33",
|
|
"options": [
|
|
"1. se manifest\u0103 la unii pe\u015fti \u015fi amfibieni;",
|
|
"2. este \u00eent\u00e2lnit \u015fi la unele plante;",
|
|
"3. \u00een anumite condi\u0163ii, sexele au o stabilitate relativ\u0103;",
|
|
"4. pot s\u0103 duc\u0103 la apari\u0163ia hermafroditismului."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Modific\u0103rile pere\u0163ilor celulari la eucariote, care a permis o mai bun\u0103 adaptare la mediul aerian \u2013 terestru a u fost:",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. apari\u0163ia cuticulei;",
|
|
"2. suberificarea;",
|
|
"3. impregnarea cu lignin\u0103 care cimenteaz\u0103 fibrele de celuloz\u0103;",
|
|
"4. structura microfibrilar\u0103 format\u0103 din murein\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Citoscheletul:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. este format dintr -o re\u0163ea dens\u0103 de microfilamente \u015fi microtubuli;",
|
|
"2. con fer\u0103 o anumit\u0103 form\u0103 celulei;",
|
|
"3. determin\u0103 pozi\u0163ia organitelor \u00een celul\u0103;",
|
|
"4. induce transporturile intracelulare de vezicule."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Incluziunile ergastice:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. sunt produse \u00een urma procesului de metabolism",
|
|
"2. de natur\u0103 organic\u0103 sunt cristale minerale de oxal at de calciu",
|
|
"3. sunt depozitate \u00een vacuole, citoplasm\u0103, perete celular",
|
|
"4. sunt \u00eenconjurate de o membran\u0103 simpl\u0103."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Acidul ribonucleic (ARN) con\u0163 ine:",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. baze azotate pirimidinice: citozina \u015f i timina;",
|
|
"2. o pentoz\u0103 numit\u0103 dezoxiriboz\u0103;",
|
|
"3. baze azotate puri nice: adenina \u015f i citozina;",
|
|
"4. un radical fosfat ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Centrozomul:",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. Este prezent \u00een celulele plantelor superioare;",
|
|
"2. Este prezent \u00een celulele plantelor inferioare ;",
|
|
"3. Este format din 9 perechi de microtubuli periferici;",
|
|
"4. Este compus din doi centrioli dispu\u015fi \u00een unghi drept unul fa\u0163 \u0103 de cel\u0103lalt ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Vacuolele:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. se pot forma din reticulul endoplsmatic;",
|
|
"2. sunt delimitate de o membran\u0103 numit\u0103 tonoplast ;",
|
|
"3. se pot forma din aparatul Golgi ;",
|
|
"4. sunt mici \u015f i au caracter temporar \u00een celula vegetal\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "S emidominan\u0163 a:",
|
|
"question_number": "40",
|
|
"options": [
|
|
"1. a fost descoperit\u0103 de Carl Correns ;",
|
|
"2. este \u00eent\u00e2lnit\u0103 \u015f i la Antirrhinum majus ;",
|
|
"3. este o abatere de la legile lui Mendel ;",
|
|
"4. se mai nume\u015f te segregare de tip Zea ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Citoplasma celulei procariote:",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1. con\u0163ine ribozomi;",
|
|
"2. este un siste m coloidal ca \u015fi citoplasma eucariotelor;",
|
|
"3. nu are curen\u0163i citoplasmatici;",
|
|
"4. ocup\u0103 tot spa\u0163iul dintre membrana celular\u0103 \u015fi nucleu."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "G\u0103inile de Andaluzia sunt:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. rezultatul fenomenului de dominan\u0163\u0103 incomplet\u0103;",
|
|
"2. forme homozigote;",
|
|
"3. forme hib ride;",
|
|
"4. rezultatul fenomenului de supradominan\u0163\u0103."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Profaza II se aseam\u0103n\u0103 cu profaza I prin:",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. filamentele de cromatin\u0103 se spiralizeaz\u0103;",
|
|
"2. fusul de diviziune se dezintegreaz\u0103;",
|
|
"3. cromozomii sunt bicromatidici;",
|
|
"4. cromozomii sunt monocromat idici."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Mitocondriile:",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1.sunt numeroase \u00een hematii \u015fi \u00een celulele hepatice;",
|
|
"2. particip\u0103 la glicoliz\u0103 \u2013prima etap\u0103 a respira\u0163iei celulare;",
|
|
"3. sunt autodivizibile con\u0163in\u00e2nd ATP;",
|
|
"4. au o membran\u0103 intern\u0103 pliat\u0103 sub form\u0103 de criste sau tubuli."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Gen ele alele:",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. determin\u0103 caracterele poligenice;",
|
|
"2. \u00een stare homozigot\u0103 determin\u0103 moartea individului;",
|
|
"3. se transmit la descenden\u0163i numai \u00een raport de 3/1;",
|
|
"4. sunt situate \u00een loci genici omologi pe cromozomii pereche."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala vaslui",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Granulele lui Palade :",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. sunt constituen\u0163i celulari protoplasmatici;",
|
|
"B. au membran\u0103 lipido -proteic\u0103;",
|
|
"C. prezint\u0103 membran\u0103 simpl\u0103 ;",
|
|
"D.con\u0163in ADN \u015fi proteine."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Urm\u0103toarele elemente structurale apar\u021bin lizozomilor, cu o excep\u021bie :",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. enzime hidrolitice ;",
|
|
"B. membran\u0103 simpl\u0103 ;",
|
|
"C. enzime digestive;",
|
|
"D. asigur\u0103 digestia intracelular\u0103."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Volumul \u0219i num\u0103rul nucleolilor variaz\u0103 \u00een func\u021bie de :",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. starea fiziologic\u0103 a celulei ;",
|
|
"B. num\u0103rul perechilor de cromozomi satelit ;",
|
|
"C. condi\u021biile de mediu ;",
|
|
"D. toate r\u0103spunsurile sunt corecte ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Baze azotate ce realizeaz\u0103 leg\u0103turi triple de hidrogen sunt:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. adenina \u015fi guanina;",
|
|
"B. citozina \u015fi guanina ;",
|
|
"C. adenina \u015fi timina;",
|
|
"D. citozina \u015fi uracilul ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Despre enzime sunt adev\u0103rate urm\u0103toarele, cu o excep\u021bie:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. determin\u0103 sensul, viteza, succesiunea reac\u0163iilor dintr -un lan\u0163 metabolic;",
|
|
"B. sunt de natur\u0103 proteic\u0103 ;",
|
|
"C. sunt proteine cu rol structural ;",
|
|
"D. sunt biocatalizatori ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"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\u0103stra rea 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": "2016"
|
|
},
|
|
{
|
|
"question": "Sunt organite autodivizibile:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. REN \u015fi aparatul Golgi;",
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"question": "Urm\u0103toarele substan\u021be sunt polizaharide specifice celulelor vegetale :",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. celuloza \u0219i glicogenul ;",
|
|
"B. celuloza \u0219i clorofila ;",
|
|
"C. amidonul \u0219i clorofila ;",
|
|
"D. amidonul \u0219i celuloza ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Sunt organite fotosintetizatoare :",
|
|
"question_number": "9",
|
|
"options": [
|
|
"A. oleoplastele ;",
|
|
"B. leucopla stele;",
|
|
"C. feoplastele ;",
|
|
"D. amiloplastele ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Cloroplastele :",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. con\u0163in clorofil\u0103 \u00een substan\u0163a fundamental\u0103 ;",
|
|
"B. grana este dispus\u0103 sub form\u0103 de fi\u015ficuri libere \u00een strom\u0103 ;",
|
|
"C. sunt delimitate de o membran\u0103 lipoproteic\u0103 ;",
|
|
"D. sunt constituen\u0163i celulari specifici plantelor ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Alege\u021bi afirma\u021bia corect\u0103 privind peretele celular :",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. este component universal al celulelor ;",
|
|
"B. scheletul peretelui este format din predominant din celuloz\u0103 ;",
|
|
"C. substan\u021be le care alc\u0103tuiesc matricea sunt produse secundare ale metabolismului ;",
|
|
"D. substan\u021bele incrustate sunt de tipul pectinelor \u0219i hemicelulozelor ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Cromozomii :",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. sunt vizibili \u00een interfaza ciclului celular ; 2",
|
|
"B. sunt structuri permanent e ale nucleului;",
|
|
"C. sunt structuri temporare ale celule i;",
|
|
"D. se g\u0103sesc \u00een num\u0103r variabil pentru o anumit\u0103 specie ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Urm\u0103toarele afirma\u021bii sunt adev\u0103rate, cu o excep\u021bie :",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. componentele protoplasmatice sunt nevii;",
|
|
"B. peretele c elular este un \u00ee nveli\u0219 rigid ;",
|
|
"C. centrul celular poate fi pus \u00een eviden\u021b\u0103 la animale, alge \u0219i ciuperci ;",
|
|
"D. plastidele alc\u0103tuiesc plastidomul celular ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Despre neurofibrile sunt adev\u0103rate urm\u0103toarele, cu o excep\u021bie :",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. prezen\u021bi \u00een corp ul celular \u0219i la baza dendritelor ;",
|
|
"B. se g\u0103sesc at\u00e2t \u00een neuroplasm\u0103 c\u00e2t \u0219i \u00een prelungiri ;",
|
|
"C. au rol mecanic de sus\u021binere ;",
|
|
"D. au rol de conducere a influxului nervos ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Mitoza:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. este o diviziune direct\u0103 ;",
|
|
"B. se finalizeaz\u0103 cu formarea celulelor haploide ;",
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"question": "Transportul activ:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. se poate realiza prin interven\u021bia unei proteine de transport ;",
|
|
"B. prote\u00edna de transport conduce substan\u021ba de la o solu\u021bie concentrat\u0103 spre una mai diluat\u0103 ;",
|
|
"C. nu necesit\u0103 consum energetic;",
|
|
"D. pompa Na+-K+, scoate 3K+ \u0219i introduce 2Na+."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Crossing -over are loc \u00een :",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. \u00een interfaza meiozei ;",
|
|
"B. \u00een pro faza I ;",
|
|
"C. \u00een metafaza I;",
|
|
"D. \u00een anafaza I ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Sunt cromozomi bicromatidici cromozomii din :",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. profaz\u0103 \u0219i anafaz\u0103 ;",
|
|
"B. profaza I \u0219i anafaza I ;",
|
|
"C. anafaza I \u0219i profaza II ;",
|
|
"D. metafa za II \u0219i anafaza II ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"question": "Plasmalema :",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. se prezint\u0103 ca un mozaic rigid ;",
|
|
"B. are o structur\u0103 bilaminat\u0103 ;",
|
|
"C. este polarizat\u0103 electric ;",
|
|
"D. \u00eempiedic\u0103 schimburile dintre celul\u0103 \u0219i mediu l."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "M en\u0163iona\u0163i afirma\u0163ia fals\u0103 :",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. membrana celular\u0103 prezint\u0103 permeabilitate selectiv\u0103 ;",
|
|
"B. ribozomii au rol \u00een sinteza proteinelor;",
|
|
"C. centru l 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": "2016"
|
|
},
|
|
{
|
|
"question": "Peretele celular este alc\u0103tuit din:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. pectin\u0103 la celule le 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": "2016"
|
|
},
|
|
{
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"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. genomul bacterian este \u00een contact direct \u015fi permanent cu citoplasma . 3"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Indica\u021bi lipide le complexe din structura materiei vii :",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. ceride le;",
|
|
"B. fitosterolii ;",
|
|
"C. fosfolipide le;",
|
|
"D. gluteinele ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Profaza II se deosebe\u015fte de profaza 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.cromozomii sunt tetracromatidici ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Centrozomul:",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. este prezent \u00een toate celulel e;",
|
|
"B. se g\u0103se\u015fte \u00een apropierea nucleului ;",
|
|
"C. centriolii sunt alc\u0103tui\u021bi din 9 dublete microtubulare ;",
|
|
"D. con\u0163ine 2 centrioli a\u015feza\u0163i paralel ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"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 f ormeaz\u0103 celulele sexuale ;",
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"question": "Nucleolul :",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. prezint\u0103 membran\u0103 dubl\u0103 ;",
|
|
"B. reprezint\u0103 partea cea mai pu\u021bin dens\u0103 a nucleului ;",
|
|
"C. este prezent \u00een t oate celulele ;",
|
|
"D. num\u0103rul \u0219i volumul lor variaz\u0103 (\u00een func\u021bie de condi\u021biile de mediu etc) ."
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Reconstituirea garniturii diploide de cromozomi, caracteristici speciei, 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": "2016"
|
|
},
|
|
{
|
|
"question": "Citomembranele :",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. delimiteaz\u0103 organitele celulare ;",
|
|
"2.au per meabilitate selectiv\u0103 specific\u0103 pentru fiecare organit ;",
|
|
"3.\u00eempiedic\u0103 interferen\u021ba unor reac\u021bii chimice simultane;",
|
|
"4. sunt \u00eentotdeauna duble ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"question": "Vacuolele :",
|
|
"question_number": "34",
|
|
"options": [
|
|
"1. sunt delimitate de tonoplast ;",
|
|
"2. ocup\u0103 p\u00e2n\u0103 la 90% din spa\u021biul celular la plante \u0219i fungi ;",
|
|
"3. implicate \u00een depozitarea apei \u0219i a ionilor minerali ;",
|
|
"4. rol important \u00een homeostazia celular\u0103 ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Glucoza este depozitat\u0103 \u00een organisme le vegetale sub form\u0103 polizaharidic\u0103 de:",
|
|
"question_number": "35",
|
|
"options": [
|
|
"1. chitin\u0103",
|
|
"2. celuloz\u0103 ;",
|
|
"3. glicogen ;",
|
|
"4. amidon ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Plastidele specializate func\u021bional sunt:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. cloroplastele ;",
|
|
"2. cromoplastele ;",
|
|
"3. leucoplastele ;",
|
|
"4. proplastidele ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Lizozomii :",
|
|
"question_number": "37",
|
|
"options": [
|
|
"1. con\u0163in hidrolaze ;",
|
|
"2. realizeaz\u0103 h eterofagie ; 4",
|
|
"3. realizeaz\u0103 autofagie ;",
|
|
"4. sunt delimita\u0163i de membran\u0103 simpl\u0103 ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Alege\u021bi afirma\u021biile corecte :",
|
|
"question_number": "38",
|
|
"options": [
|
|
"1. corpii tigroizi au rol metabolismul neuronal ;",
|
|
"2. corpusculii Nissl au rol mecanic ;",
|
|
"3. neurofibrilele conduc influxul nervos ;",
|
|
"4. neurofibril ele se g\u0103sesc doar \u00een corpul celular ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Dictiozomii au rol \u00een:",
|
|
"question_number": "39",
|
|
"options": [
|
|
"1. biosinteza polizaharidelor;",
|
|
"2. secre\u0163ia de mucilagii \u015fi enzime digestive la plantele carnivore ;",
|
|
"3. prelucrarea proteinelor \u015fi lipidelor;",
|
|
"4. \u00een biogeneza perete lui celular la plante \u0219i fungi ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"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": "2016"
|
|
},
|
|
{
|
|
"question": "Centrozomul are urm\u0103toarele func\u021bii, cu o excep\u021bie :",
|
|
"question_number": "41",
|
|
"options": [
|
|
"1.biogeneza microtubulilor ;",
|
|
"2. organiza rea citos cheletului ;",
|
|
"3. organizarea fusului de diviziune ;",
|
|
"4. are 9 triplete microtubulare periferice."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Elementele comune mitozei \u015fi meiozei sunt:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. prezen\u021ba fusului de diviziune;",
|
|
"2. num\u0103rul de cromozomi din celulele fiice;",
|
|
"3. cromozomii monocromatidici de la sf\u00e2r\u015fitul diviziunii;",
|
|
"4. crossing -over-ul din profaz\u0103 ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Profaza I se deosebe\u0219te de profaza mitotic\u0103 prin:",
|
|
"question_number": "43",
|
|
"options": [
|
|
"1. individualizarea cromozomilor;",
|
|
"2. formarea fusului de diviziune ;",
|
|
"3. dezorganizarea membranei nucleare \u0219i a nucleolilor ;",
|
|
"4. realizarea procesului de crossing -over."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Miofibrilele :",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. asigur\u0103 contrac\u0163ia fibrelor musculare;",
|
|
"2. sunt constituen\u0163i specifici fibrelor musculare ;",
|
|
"3. sunt constituite 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": "2016"
|
|
},
|
|
{
|
|
"question": "Cromatina :",
|
|
"question_number": "45",
|
|
"options": [
|
|
"1. este alc\u0103tuit\u0103 din ADN \u015fi histone ;",
|
|
"2. este format\u0103 din u nit\u0103\u0163i repetitive numite nucleoz omi;",
|
|
"3. prin condensare formeaz\u0103 cromozomii ;",
|
|
"4. apare sub forma unui \u0219irag de m\u0103rgele ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Crossing -overul se desf\u0103\u015foar\u0103 \u00eentre :",
|
|
"question_number": "46",
|
|
"options": [
|
|
"1. cromatidele surori ale aceluia\u015fi cromozom ;",
|
|
"2. cromozomii omologi , \u00een metafaz\u0103 ;",
|
|
"3. cromozomii neomologi ;",
|
|
"4. cromatidele ne surori ale unei tetrade ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i afirma\u0163iile incorecte privind mitocondriile :",
|
|
"question_number": "47",
|
|
"options": [
|
|
"1. se perp etueaz\u0103 prin diviziune, fragmentare sau \u00eenmugurire ;",
|
|
"2. se transmit de la o genera\u0163ie celular\u0103 la alta ;",
|
|
"3. nu se formeaz\u0103 niciodat\u0103 \u201ede novo\u201d ;",
|
|
"4. au rol \u00een ereditatea nuclear\u0103."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "\u00cen timpul meiozei are loc :",
|
|
"question_number": "48",
|
|
"options": [
|
|
"1. recombinare genetic\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": "2016"
|
|
},
|
|
{
|
|
"question": "ADN se g\u0103se\u0219te \u00een:",
|
|
"question_number": "49",
|
|
"options": [
|
|
"1. nucleu;",
|
|
"2. mitocondrii;",
|
|
"3. cloroplaste;",
|
|
"4. ribozomi ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Ribozomii se g\u0103sesc:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. ata\u015fa\u0163i pe fa\u0163a extern\u0103 a anvelopei nucleare ;",
|
|
"2. \u00een clor oplaste ;",
|
|
"3. ata\u015fa\u0163i REG ;",
|
|
"4. \u00een celula procariot\u0103 ."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Nu p rezint\u0103 \u00eenveli\u015f dublu:",
|
|
"question_number": "51",
|
|
"options": [
|
|
"1. cloroplastele ;",
|
|
"2. reticulul endoplasmatic ; 5",
|
|
"3. nucleul;",
|
|
"4. vacuolele."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Cromozomul de tip procariotic :",
|
|
"question_number": "52",
|
|
"options": [
|
|
"1. este caracte ristic bacteriilor \u0219i algelor verzi;",
|
|
"2. este un cromozom circular ;",
|
|
"3. cromozomul este format din ADN sau ARN;",
|
|
"4. este format doar din ADN bicatenar ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Prin cariochinez\u0103 se \u00een\u0163elege :",
|
|
"question_number": "53",
|
|
"options": [
|
|
"1. diviziunea citoplasmei ;",
|
|
"2. separarea c romozomilor omologi ;",
|
|
"3. separarea cromatidelor -surori ;",
|
|
"4. diviziunea nucleului ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Prin mitoz\u0103 se realizeaz\u0103 :",
|
|
"question_number": "54",
|
|
"options": [
|
|
"1. reducerea num\u0103rului de cromozomi ;",
|
|
"2. conservarea num\u0103rului de cromozomi caracteristic speciei ;",
|
|
"3. dublarea num \u0103rului de cromozomi ;",
|
|
"4. cre\u015fterea organismului ."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Separarea cromatidelor 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 fiecare anafaz\u0103 ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"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 mitoz\u0103 ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Meioza se deosebe\u015fte de mitoz\u0103 astfel :",
|
|
"question_number": "57",
|
|
"options": [
|
|
"1. celulele parentale sunt diploide ;",
|
|
"2. la sf\u00e2r\u015fitul divizi unii se formeaz\u0103 celule haploide ;",
|
|
"3. celulele parentale prezint\u0103 cromozomi 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": "2016"
|
|
},
|
|
{
|
|
"question": "Mitoza \u0219i meioza au \u00een comun :",
|
|
"question_number": "58",
|
|
"options": [
|
|
"1. celulele parentale sunt diplo ide;",
|
|
"2. se ob\u021bin celule fiice diploide c a \u0219i celula mam\u0103 ;",
|
|
"3. celulele fiice formate au cromozomi monocromatidici ;",
|
|
"4. asigur\u0103 variabilitatea organismelor ."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Heterozigot poate fi genotipul grupelor :",
|
|
"question_number": "59",
|
|
"options": [
|
|
"1. doar A \u0219i AB ;",
|
|
"2. numai AB ;",
|
|
"3. A, B, O ;",
|
|
"4. A, B, AB ."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Dominan\u021ba incomplet\u0103 se manifest\u0103 la :",
|
|
"question_number": "60",
|
|
"options": [
|
|
"1. plante de barba \u00eemp\u0103ratului \u0219i gura leului ;",
|
|
"2. g\u0103inile de Andaluzia ;",
|
|
"3. planta de porumb ;",
|
|
"4. ereditatea grupelor sangvine la om ."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2016"
|
|
},
|
|
{
|
|
"question": "Ribozomii :",
|
|
"question_number": "1",
|
|
"options": [
|
|
"A. sunt constituen\u0163i celulari protoplasmatici;",
|
|
"B. au membran\u0103 dubl\u0103;",
|
|
"C. prezint\u0103 membran\u0103 simpl\u0103;",
|
|
"D. sunt lipidonucleoproteine."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Sunt substan\u021be organice simple, cu o excep\u021bie:",
|
|
"question_number": "2",
|
|
"options": [
|
|
"A. acizii gra\u0219i;",
|
|
"B. glicerolul;",
|
|
"C. acizii nucleici;",
|
|
"D. acizii organici."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Baza azotat\u0103 specific\u0103 ADN este:",
|
|
"question_number": "3",
|
|
"options": [
|
|
"A. adenina;",
|
|
"B. guanina;",
|
|
"C. dezoxiriboza;",
|
|
"D. timina."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Materialul genetic la bacterii este reprezentat:",
|
|
"question_number": "4",
|
|
"options": [
|
|
"A. doar de ADN cromozomial;",
|
|
"B. doar de ADN nuclear;",
|
|
"C. doar de plasmide;",
|
|
"D. de ADN cromozomial \u0219i extracromozomial."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Peretele celular este format \u00een principal din:",
|
|
"question_number": "5",
|
|
"options": [
|
|
"A. polizaharide;",
|
|
"B. lipide;",
|
|
"C. proteine;",
|
|
"D. lignine."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Alege\u021bi r\u0103spunsul incorect, cu privire la celula procariot\u0103:",
|
|
"question_number": "6",
|
|
"options": [
|
|
"A. nu posed\u0103 citoschelet proteinic;",
|
|
"B. nu prezint\u0103 curen\u021bi plasmatici;",
|
|
"C. nu posed\u0103 organite;",
|
|
"D. prezint\u0103 mezozomi."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Peretele primar:",
|
|
"question_number": "7",
|
|
"options": [
|
|
"A. se formeaz\u0103 dup\u0103 diviziune;",
|
|
"B. este compact;",
|
|
"C. este rigid;",
|
|
"D. este impregnat cu ceruri, lignine."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Pere\u021bii celulari:",
|
|
"question_number": "8",
|
|
"options": [
|
|
"A. sunt cimenta\u021bi de lamela mijlocie;",
|
|
"B. prezint\u0103 pori numi\u021bi plasmodesme;",
|
|
"C. confer\u0103 doar individualitate celulelor;",
|
|
"D. con\u021bin \u00eentotdeauna celuloz\u0103."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Sunt organite fotosintetizatoare:",
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"question": "Reticulul endoplasmatic:",
|
|
"question_number": "10",
|
|
"options": [
|
|
"A. face parte din categoria constituien\u0163ilor celulari neprotoplasmatici;",
|
|
"B. este un constituient specific celulelor vegetale;",
|
|
"C. este considerat \u201euzina energetic\u0103\u201d a celulei;",
|
|
"D. este un sistem de canalicule, cu structur\u0103 asem\u0103n\u0103toare membranei celulare."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "\u00cen profaza diviziunii mitotice are loc:",
|
|
"question_number": "11",
|
|
"options": [
|
|
"A. crossing-over-ul;",
|
|
"B. dezorganizarea membranei nucleare;",
|
|
"C. dublarea cantit\u0103\u0163ii de ADN;",
|
|
"D. dispunerea cromozomilor \u00een planul ecuatorial al celulei."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Indica\u0163i varianta corect\u0103 referitoare la plastide:",
|
|
"question_number": "12",
|
|
"options": [
|
|
"A. la microscopul optic se poate observa structura cloroplastelor;",
|
|
"B. la Feoficee se g\u0103sesc plastide care con\u0163in clorofil\u0103 \u015fi ficoeritrin\u0103;",
|
|
"C. \u00een structura cloroplastelor se diferen\u0163iaz\u0103 o membran\u0103 dubl\u0103, stroma \u015fi grana;",
|
|
"D. cromatoforii sunt plastide mici, incolore."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Lizozomii:",
|
|
"question_number": "13",
|
|
"options": [
|
|
"A. sunt componente neprotoplasmatice",
|
|
"B. sunt delimitate de membran\u0103 dubl\u0103;",
|
|
"C. sunt bogate \u00een enzime oxidative (hidrolaze);",
|
|
"D. realizeaz\u0103 heterofagie \u0219i autofagie."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Urm\u0103torii constituien\u0163i ai celulei vegetale NU pot fi observa\u0163i dec\u00e2t la microscopul electronic:",
|
|
"question_number": "14",
|
|
"options": [
|
|
"A. peretele celular;",
|
|
"B. plastidele;",
|
|
"C. nucleul;",
|
|
"D. Ribozomii"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Aparatul Golgi:",
|
|
"question_number": "15",
|
|
"options": [
|
|
"A. este a\u015fezat distal fa\u0163\u0103 de nucleu;",
|
|
"B. con\u0163ine, \u00een vezicule, produ\u015fi de secre\u0163ie;",
|
|
"C. este organit autodivizibil;",
|
|
"D. con\u0163ine acizi nucleici."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Transportul activ:",
|
|
"question_number": "16",
|
|
"options": [
|
|
"A. se poate realiza prin interven\u021bia unei proteine-c\u0103r\u0103u\u0219;",
|
|
"B. transport\u0103 substana\u021ba \u00een sensul gradientului de concentra\u021bie;",
|
|
"C. nu necesit\u0103 consum energetic;",
|
|
"D. pompa Na+-K+, scoate 3K+ \u0219i introduce 2Na+."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Crossing-over are loc \u00een:",
|
|
"question_number": "17",
|
|
"options": [
|
|
"A. \u00een interfaza meiozei;",
|
|
"B. \u00een profaza I;",
|
|
"C. \u00een metafaza I;",
|
|
"D. \u00een anafaza I."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Sunt cromozomi bicromatidici cromozomii din:",
|
|
"question_number": "18",
|
|
"options": [
|
|
"A. metafaz\u0103 \u0219i anafaz\u0103;",
|
|
"B. profaza I \u0219i anafaza I;",
|
|
"C. anafaza I \u0219i profaza II;",
|
|
"D. anafaza II \u0219i telofaza II."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "\u00cen metafaza mitozei:",
|
|
"question_number": "19",
|
|
"options": [
|
|
"A. celulele cresc \u00een volum;",
|
|
"B. cromozomii bicromatidici se a\u015feaz\u0103 la ecuatorul celulei;",
|
|
"C. cromozomii ajung la poli;",
|
|
"D. se desf\u0103\u015foar\u0103 procese metabolice intense."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Plasmalema:",
|
|
"question_number": "20",
|
|
"options": [
|
|
"A. se prezint\u0103 ca un mozaic rigid;",
|
|
"B. are o structur\u0103 bilaminat\u0103;",
|
|
"C. este polarizat\u0103 electric;",
|
|
"D. este permeabil\u0103 pentru toate moleculele."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Nucleoidul este prezent \u00een:",
|
|
"question_number": "21",
|
|
"options": [
|
|
"A. celula bacterian\u0103;",
|
|
"B. organismul protozoarelor;",
|
|
"C. celula eucariot\u0103;",
|
|
"D. toate celulele animale."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Urm\u0103toarele afirma\u0163ii referitoare la celula eucariot\u0103 sunt adev\u0103rate, cu o EXCEP\u0162IE:",
|
|
"question_number": "22",
|
|
"options": [
|
|
"A. nu are nucleu bine individualizat;",
|
|
"B. nucleul prezint\u0103 o membran\u0103 dubl\u0103, cu pori;",
|
|
"C. are ribozomi mai mari dec\u00e2t cei din celula procariot\u0103;",
|
|
"D. citosolul con\u0163ine organite celulare \u015fi citoschelet"
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Telofaza II:",
|
|
"question_number": "23",
|
|
"options": [
|
|
"A. este cea mai lung\u0103 ca durat\u0103;",
|
|
"B. urmeaz\u0103 dup\u0103 telofaza I;",
|
|
"C. este cea mai important\u0103 faz\u0103 a meiozei;",
|
|
"D. presupune dezorganizarea fusului de diviziune"
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "\u00cen game\u0163i:",
|
|
"question_number": "24",
|
|
"options": [
|
|
"A. cromozomii sunt tetracromatidici;",
|
|
"B. num\u0103rul cromozomilor este identic cu cel din celulele somatice;",
|
|
"C. se formeaz\u0103 placa metafazic\u0103;",
|
|
"D. cromozomii sunt recombina\u0163i genetic."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Crossing \u2013 over-ul are loc \u00eentre:",
|
|
"question_number": "25",
|
|
"options": [
|
|
"A. cromatidele nesurori ale bivalen\u0163ilor;",
|
|
"B. cromozomii neomologi;",
|
|
"C. cromatidele surori ale unui cromozom bicromatidic;",
|
|
"D. cromozomii monocromatidici."
|
|
],
|
|
"right_answer": "I",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Profaza II se deosebe\u015fte de profaza I prin:",
|
|
"question_number": "26",
|
|
"options": [
|
|
"A. are loc crossing-over;",
|
|
"B. cromozomii migreaz\u0103 spre ecuatorul celulei;",
|
|
"C. lipsesc fenomenele de recombinare genetic\u0103;",
|
|
"D.cromozomii sunt tetracromatidici."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Fenotipul: 4. ribozomii.",
|
|
"question_number": "27",
|
|
"options": [
|
|
"A. este independent de mediu;",
|
|
"B. r\u0103m\u00e2ne identic toat\u0103 via\u0163a;",
|
|
"C. nu afecteaz\u0103 structura genotipului;",
|
|
"D. este mo\u015ftenit de la descenden\u0163i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Alege\u0163i afirma\u0163ia incorect\u0103:",
|
|
"question_number": "28",
|
|
"options": [
|
|
"A. \u00een urma meiozei rezult\u0103 4 celule diploide;",
|
|
"B. prin meioz\u0103 se formeaz\u0103 game\u021bii;",
|
|
"C. celulele somatice se divid mitotic;",
|
|
"D. \u00een interfaz\u0103 are loc replicarea ADN."
|
|
],
|
|
"right_answer": "A",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "\u00cen genera\u0163ia F1 a unei dihibrid\u0103ri rezult\u0103 organisme:",
|
|
"question_number": "29",
|
|
"options": [
|
|
"A. care au fost denumite linii pure;",
|
|
"B. neuniforme fenotipic;",
|
|
"C. hibride, dublu heterozigote;",
|
|
"D. identice genotipic cu unul dintre p\u0103rin\u0163i."
|
|
],
|
|
"right_answer": "C",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Codominan\u0163a \u00eenseamn\u0103:",
|
|
"question_number": "30",
|
|
"options": [
|
|
"A. c\u0103 exist\u0103 un caracter dominant fa\u0163\u0103 de cel\u0103lalt caracter;",
|
|
"B. c\u0103 exist\u0103 un raport de egalitate \u00eentre gene \u00een stare heterozigot\u0103;",
|
|
"C. c\u0103 descenden\u0163ii heterozigo\u0163i \u00een F1 sunt mai productivi dec\u00e2t genitorii homozigo\u0163i;",
|
|
"D. c\u0103 formele homozigote exprim\u0103 caracterul intermediar."
|
|
],
|
|
"right_answer": "B",
|
|
"type": "single-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"question": "Microtubulii:",
|
|
"question_number": "31",
|
|
"options": [
|
|
"1. formeaz\u0103 9 triplete periferice \u00een structura 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 citoscheletului."
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"question": "Transportul pasiv se caracterizeaza prin:",
|
|
"question_number": "36",
|
|
"options": [
|
|
"1. nu necesit\u0103 energie",
|
|
"2. are loc \u00een sensul gradientului de concentra\u0163ie",
|
|
"3. deplasarea moleculelor are loc de la concentra\u0163ie mare la concentra\u0163ie mic\u0103",
|
|
"4. deplasarea moleculelor 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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"question": "Organite celulare pozi\u0163ionate \u00een apropierea nucleului:",
|
|
"question_number": "42",
|
|
"options": [
|
|
"1. RER",
|
|
"2. Dictiozomii",
|
|
"3. Centrozomul",
|
|
"4. ribozomii"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"question": "Incluziunile ergastice:",
|
|
"question_number": "44",
|
|
"options": [
|
|
"1. Sunt reprezentate de produ\u015fii intermediari \u015fi finali ai metabolismului 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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"question": "Cromozomii bicromatidici exist\u0103 \u00een:",
|
|
"question_number": "50",
|
|
"options": [
|
|
"1. interfaz\u0103, profaz\u0103, metafaz\u0103",
|
|
"2. etapa reduc\u0163ional\u0103 a meiozei",
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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 recombina\u0163i",
|
|
"4. se formeaz\u0103 doi nuclei diploizi"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"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 interfaz\u0103"
|
|
],
|
|
"right_answer": "E",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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 forma tubuli care-i m\u0103resc suprafa\u0163a."
|
|
],
|
|
"right_answer": "D",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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": "2017"
|
|
},
|
|
{
|
|
"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 ARN \u015fi ADN"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
},
|
|
{
|
|
"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"
|
|
],
|
|
"right_answer": "B",
|
|
"type": "multiple-choice",
|
|
"grade": "IX",
|
|
"stage": "locala arad",
|
|
"task": "teoretic",
|
|
"year": "2017"
|
|
}
|
|
] |
