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[
{
"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"
}
] |