JEECUP Group E2 (Biology) MCQsBy abhishekgurhar / May 31, 2026 JEECUP Group E2 (Biology) – Mock Test | abhiresult.comabhiresult.comJEECUP Group E2 (Biology) – 100 MCQsOnline Practice Mock Test| S.No. | Question | Option A | Option B | Option C | Option D | Correct Answer | | — | — | — | — | — | — | — | | **1** | Prokaryotic koshika mein mitochondria ke samrup kaun sa bhag hai? | Ribosome | Mesosome | Nucleoid | Plasmid | **B** | | **2** | DNA replication mein Okazaki fragments ko kaun jodhata hai? | DNA Polymerase | Helicase | DNA Ligase | Primase | **C** | | **3** | Human kidney mein Counter-current mechanism ka mukhya karya kya hai? | Glucose absorption | Urine concentration | Blood pressure control | Urea formation | **B** | | **4** | Photorespiration (C2 Cycle) kis koshikang (organelle) se shuru hota hai? | Chloroplast | Peroxisome | Mitochondria | Vacuole | **A** | | **5** | Emergency sthiti mein ‘Fight or Flight’ reaction ke liye kaun sa hormone zimmedar hai? | Insulin | Thyroxine | Adrenaline | Estrogen | **C** | | **6** | Ribosome ki dono subunits ko aapas mein jodne ke liye kis ion ki aavashyakta hoti hai? | Ca2+ | Mg2+ | Fe2+ | Mn2+ | **B** | | **7** | Krebs Cycle (TCA cycle) koshika ke kis bhaag mein sampann hoti hai? | Cytoplasm | Peroxisome | Mitochondrial Matrix | Inner membrane | **C** | | **8** | Inme se kis paudhe mein Kranz Anatomy payi jaati hai? | C3 Plants | C4 Plants | CAM Plants | Bryophytes | **B** | | **9** | Glycolysis ka antim utpad (end product) kya hota hai? | Citric Acid | Acetyl CoA | Pyruvic Acid | Glucose-6-Phosphate | **C** | | **10** | Koshika chakra (Cell Cycle) ki kis avastha mein DNA replication hota hai? | G1 Phase | S Phase | G2 Phase | M Phase | **B** | | **11** | Klinefelter Syndrome ka chromosomal constitution kya hota hai? | 45, XO | 47, XXY | 47, XYY | 47, XXX | **B** | | **12** | Red Data Book kis sanstha dwara jaari ki jaati hai? | WWF | IUCN | UNESCO | WMIT | **B** | | **13** | Bt-Cotton mein ‘Bt’ ka kya matlab hai? | Bio-Technology | Bacillus thuringiensis | Bacterial Toxin | Boron Therapy | **B** | | **14** | Heart ke pacemaker ko kya kaha jata hai? | AV Node | Purkinje fibres | SA Node | Bundle of His | **C** | | **15** | Blood clotting (rakt ka thakka) ke liye kaun sa vitamin aavashyak hai? | Vitamin A | Vitamin C | Vitamin E | Vitamin K | **D** | | **16** | Inme se kaun sa ek “False Fruit” (asatya phal) ka udaharan hai? | Mango | Apple | Banana | Tomato | **B** | | **17** | Pteridophytes ko padap jagat ka kya kaha jata hai? | Amphibians | Reptiles | Thallophytes | Bryophytes | **B** | | **18** | DNA finger printing ke vikas ka shrey kise jata hai? | Alec Jeffreys | Watson and Crick | Hargobind Khorana | Morgan | **A** | | **19** | Human blood ka normal pH kitna hota hai? | 6.4 | 7.0 | 7.4 | 8.2 | **C** | | **20** | Halogen group mein se kisko thyroid gland ke proper functioning ke liye upyog kiya jata hai? | Chlorine | Fluorine | Iodine | Bromine | **C** | | **21** | HIV virus mein kis prakar ka genetic material hota hai? | Double stranded DNA | Single stranded DNA | Double stranded RNA | Single stranded RNA | **D** | | **22** | Enzymes mukhya roop se kis tatva se bane hote hain? | Carbohydrate | Lipid | Protein | Vitamin | **C** | | **23** | Mitochondria ki inner membrane par paye jane wale folds ko kya kehte hain? | Grana | Cristae | Matrix | Stroma | **B** | | **24** | Antidote ke roop mein atropine ka upyog kis poison ke asar ko kam karne ke liye hota hai? | Organophosphate | Cyanide | Lead | Arsenic | **A** | | **25** | Cholera (Haiza) kis jivanu (bacteria) ke karan hota hai? | Salmonella typhi | Vibrio cholerae | Mycobacterium | Clostridium | **B** | | **26** | Inme se kisko ‘Suicidal Bag’ (aatmaghati thaili) kaha jata hai? | Centrosome | Lysosome | Ribosome | Mesosome | **B** | | **27** | Phloem tissue dwara paudhon mein kiska parivahan hota hai? | Water | Minerals | Food (Sucrose) | Oxygen | **C** | | **28** | Leydig cells manushya ke kis ang mein payi jaati hain aur kya nikaalti hain? | Ovary (Estrogen) | Testis (Testosterone) | Pituitary (GH) | Adrenal (Cortisol) | **B** | | **29** | Inme se kaun sa non-reducing sugar hai? | Glucose | Fructose | Galactose | Sucrose | **D** | | **30** | “Inborn error of metabolism” ka ek udaharan kaun sa rog hai? | Phenylketonuria | Diabetes | Haemophilia | Night blindness | **A** | | **31** | Plant Kingdom ka ‘Amphibian’ kis group ko kaha jata hai? | Algae | Bryophyta | Pteridophyta | Gymnosperm | **B** | | **32** | Oxygenated blood ko lungs se left atrium mein kaun laata hai? | Pulmonary Artery | Pulmonary Vein | Vena Cava | Aorta | **B** | | **33** | ‘Restriction Endonuclease’ enzyme ka mukhya karya kya hai? | DNA jodna | DNA ko specific site par katna | RNA banana | DNA ko destroy karna | **B** | | **34** | Antibiotic Penicillin kis se prapt ki jati hai? | Bacteria | Fungus (Kavak) | Algae | Virus | **B** | | **35** | ‘Pneumatophores’ (shwasan moolein) mukhya roop se kis prakar ke paudhon mein milti hain? | Xerophytes | Hydrophites | Halophytes | Mesophytes | **C** | | **36** | Human eye mein image (pratibimb) kis bhaag par banta hai? | Cornea | Iris | Lens | Retina | **D** | | **37** | Pituitary gland se nikalne wale kis hormone ko ‘Milk ejecting hormone’ kehte hain? | Prolactin | Oxytocin | Vasopressin | ACTH | **B** | | **38** | Rakt mein oxygen ka parivahan kis protein ke madhyam se hota hai? | Myoglobin | Haemoglobin | Albumin | Fibrinogen | **B** | | **39** | ‘Double Fertilization’ (Dwi-nishechan) kis group ke paudhon ki mukhya visheshata hai? | Bryophytes | Gymnosperms | Angiosperms | Pteridophytes | **C** | | **40** | Manushya mein uric acid ka high level kis bimari ka karan banta hai? | Gout (Gathiya) | Arthritis | Rickets | Osteoporosis | **A** | | **41** | Transposition ya ‘Jumping Genes’ ki khoj kisne ki thi? | Barbara McClintock | Gregor Mendel | Thomas Morgan | Hugo de Vries | **A** | | **42** | Ecosystem mein ‘10% Energy Transfer Law’ kisne diya tha? | Tansley | Lindeman | Odum | Reiter | **B** | | **43** | Inme se kis organ ko ‘Graveyard of RBCs’ (RBC ka kabristan) kaha jata hai? | Liver | Kidney | Spleen (Pliha) | Bone Marrow | **C** | | **44** | Monohybrid cross ka F2 generation mein Phenotypic ratio kya hota hai? | 9:3:3:1 | 3:1 | 1:2:1 | 1:1 | **B** | | **45** | ‘Plasmolysis’ tab hota hai jab koshika ko kis solution mein rakha jaye? | Hypotonic | Hypertonic | Isotonic | Pure Water | **B** | | **46** | Insulin hormone pancreas ki kin koshikaon (cells) se secrete hota hai? | Alpha cells | Beta cells | Delta cells | F-cells | **B** | | **47** | Malarial parasite (Plasmodium) ka primary vector kaun hai? | Culex mosquito | Female Anopheles | Male Anopheles | Aedes mosquito | **B** | | **48** | DNA ke do strands ke beech kaun sa bond paya jata hai? | Peptide Bond | Glycosidic Bond | Hydrogen Bond | Phosphodiester | **C** | | **49** | Oviduct ya Fallopian tube ka kaun sa bhag ovary ke sabse paas hota hai? | Isthmus | Ampulla | Infundibulum | Uterus | **C** | | **50** | ‘Sertoli Cells’ ka mukhya karya kya hai? | Hormone banana | Sperms ko nutrition dena | Enzyme banana | Ovum banana | **B** | | **51** | Turners Syndrome se grast mahilaon mein chromosomes ki sankhya kitni hoti hai? | 46 | 47 | 45 | 44 | **C** | | **52** | ‘Ozone Layer’ atmospheric ke kis mandal (layer) mein payi jaati hai? | Troposphere | Stratosphere | Mesosphere | Thermosphere | **B** | | **53** | Transcription ki prakriya mein kya banta hai? | DNA se DNA | DNA se RNA | RNA se Protein | RNA se DNA | **B** | | **54** | Sarvadata (Universal Donor) blood group kaun sa hai? | AB+ | O+ | O- | AB- | **C** | | **55** | ‘Bile Juice’ (Pitta ras) ka nirman kahan hota hai? | Gallbladder | Liver | Pancreas | Stomach | **B** | | **56** | Paudhon mein stomata ke khulne aur band hone mein kis ion ki bhoomika hoti hai? | Na+ | K+ | Ca2+ | Cl- | **B** | | **57** | Gymnosperms mein ‘Endosperm’ (Bhrunposh) ki ploidy kya hoti hai? | Haploid (n) | Diploid (2n) | Triploid (3n) | Tetraploid (4n) | **A** | | **58** | ‘Pellagra’ rog kis vitamin ki kami se hota hai? | Vitamin B1 | Vitamin B3 (Niacin) | Vitamin B6 | Vitamin B12 | **B** | | **59** | Rakt ka thakka jamne ki prakriya (Coagulation) mein active hone wala plasma protein kaun sa hai? | Albumin | Globulin | Fibrinogen | Insulin | **C** | | **60** | Kidney ki functional aur structural unit ko kya kehte hain? | Neuron | Nephron | Axon | Henle’s Loop | **B** | | **61** | Archæopteryx kin do vargon (classes) ke beech ki sanyojak kadi (connecting link) hai? | Amphibia-Reptilia | Reptilia-Aves | Pisces-Amphibia | Aves-Mammalia | **B** | | **62** | Kalazar rog ka karak (vector) kaun hai? | Housefly | Sandfly | Tsetse fly | Mosquito | **B** | | **63** | ‘Emphysema’ bimari ka mukhya karan kya hai? | Water pollution | Cigarette smoking | Alcoholism | Fungal infection | **B** | | **64** | Test cross kis ke beech ka cross hota hai? | F1 x Dominant Parent | F1 x Recessive Parent | F1 x F1 | Dominant x Recessive | **B** | | **65** | ‘Lichen’ kin do ke beech ka sahjivi (symbiotic) sambandh hai? | Algae & Fungus | Fungus & Root | Algae & Bacteria | Bacteria & Fungus | **A** | | **66** | Glycolysis ka process koshika ke kis bhag mein chalta hai? | Mitochondria | Cytoplasm | Chloroplast | Ribosome | **B** | | **67** | ‘Acroshome’ jo sperm ke aage hota hai, kis koshikang se banta hai? | Mitochondria | Golgi Body | Ribosome | Centrosome | **B** | | **68** | ‘Corpus Luteum’ se secrete hone wala mukhya hormone kaun sa hai? | Estrogen | Progesterone | LH | FSH | **B** | | **69** | Manushya mein total kitne ‘Cranial Nerves’ paaye jaate hain? | 10 Pairs | 12 Pairs | 31 Pairs | 24 Pairs | **B** | | **70** | Protein ka digesion stomach mein kis enzyme dwara shuru kiya jata hai? | Amylase | Trypsin | Pepsin | Lipase | **C** | | **71** | C4 paudhon mein carbon dioxide (CO2) ka pratham grahi (acceptor) kaun hota hai? | RuBP | PEP (Phosphoenolpyruvate) | PGA | Oxaloacetate | **B** | | **72** | ‘PCR’ (Polymerase Chain Reaction) ka upyog kiske amplification ke liye kiya jata hai? | Protein | DNA | Carbohydrate | Lipid | **B** | | **73** | ‘Minamata Disease’ kis tatva ke pradushan ke karan hui thi? | Lead | Cadmium | Mercury | Arsenic | **C** | | **74** | ‘Inhibidin’ hormone koshikaon ke kis group dwara nikaala jaata hai? | Leydig cells | Sertoli cells | Granulosa cells | Luteal cells | **B** | | **75** | RNA mein Thymine ki jagah par kaun sa nitrogenous base hota hai? | Adenine | Guanine | Cytosine | Uracil | **D** | | **76** | ‘Pneumonia’ rog sharir ke kis ang ko prabhavit karta hai? | Liver | Kidney | Lungs | Heart | **C** | | **77** | ‘Urea Cycle’ (Ornithine cycle) sharir ke kis ang mein chalti hai? | Kidney | Liver | Spleen | Pancreas | **B** | | **78** | Anaerobic respiration (Awayviya shwasan) mein parinam स्वरूप kya banta hai? | Lactic acid / Ethanol | Citric Acid | Malic Acid | Oxaloacetic Acid | **A** | | **79** | ‘Bacteriophage’ kya hota hai? | Ek bacteria jo virus ko khata hai | Ek virus jo bacteria ko sankramit karta hai | Ek naya bacteria | Ek fungus | **B** | | **80** | ‘Tied Junctions’, ‘Adhering Junctions’ kiske bhed hain? | Nervous tissue | Epithelial tissue | Connective tissue | Muscular tissue | **B** | | **81** | Bone-forming cells ko kya kaha jata hai? | Chondrocytes | Osteoblasts | Osteoclasts | Fibroblasts | **B** | | **82** | Saliva (Lala ras) mein paye jane wale starch-digesting enzyme ko kya kehte hain? | Pepsin | Trypsin | Ptyalin (Amylase) | Renin | **C** | | **83** | ‘Down’s Syndrome’ kis chromosome ki trisomy ke karan hota hai? | Chromosome 13 | Chromosome 18 | Chromosome 21 | Chromosome 22 | **C** | | **84** | ‘Totipotency’ ka kya arth hai? | Ek cell se pura plant banane ki kshamta | Plant ki growth rukna | Disease hone ki kshamta | Rooting ki process | **A** | | **85** | C3 cycle ko aur kis naam se jana jata hai? | Calvin Cycle | Krebs Cycle | Hatch-Slack Cycle | Citric Acid Cycle | **A** | | **86** | Sarvagrahi (Universal Recipient) blood group kaun sa hai? | O- | AB+ | A+ | B+ | **B** | | **87** | ‘Typhoid’ rog ke nidan ke liye kaun sa test kiya jata hai? | ELISA Test | Widal Test | PCR Test | Mantoux Test | **B** | | **88** | ‘In vitro fertilization’ (IVF) ko aam bhasha mein kya kehte hain? | Cloning | Test Tube Baby | Tissue Culture | Gene Therapy | **B** | | **89** | Heart ki diwar ki sabse bahari layer ko kya kehte hain? | Myocardium | Endocardium | Epicardium | Pericardium | **C** | | **90** | ‘Mycorrhiza’ kiska symbiotic association hai? | Algae & Fungus | Fungus & Higher plant roots | Bacteria & Algae | Cyanobacteria & Moss | **B** | | **91** | Insulin ki kami se kaun sa rog hota hai? | Diabetes Insipidus | Diabetes Mellitus | Goitre | Acromegaly | **B** | | **92** | C4 cycle ko aur kis naam se jana jata hai? | Calvin Cycle | Hatch-Slack Cycle | Krebs Cycle | Glycolysis | **B** | | **93** | Human body ki sabse badi endocrine gland (antah-sravi granthi) kaun si hai? | Adrenal | Thyroid | Pituitary | Pancreas | **B** | | **94** | ‘Plasmid’ kis koshika mein swatantra roop se paya jane wala circular DNA hai? | Plant Cell | Animal Cell | Bacterial Cell | Fungal Cell | **C** | | **95** | ‘Atherosclerosis’ rog mein arteries ki diwar par kya jama ho jata hai? | Calcium | Cholesterol / Lipids | Protein | Blood cells | **B** | | **96** | Algae ki cell wall mukhya roop se kis tatva ki bani hoti hai? | Chitin | Peptidoglycan | Cellulose | Keratin | **C** | | **97** | ‘Scurvy’ rog kis vitamin ki kami ke karan hota hai? | Vitamin A | Vitamin B | Vitamin C | Vitamin D | **C** | | **98** | Kidney mein blood filtration ka karya kaun sa bhag karta hai? | Henle’s Loop | Glomerulus | Bowman’s Capsule | PCT | **B** | | **99** | ‘Guttation’ (Bindu-srav) ki prakriya kis sanrachna dwara hoti hai? | Stomata | Hydathodes (Jal-randhra) | Lenticels | Cuticle | **B** | | **100** | Genetic engineering mein kisko ‘Molecular Scissors’ (Aanvik kainchi) kaha jata hai? | DNA Ligase | Restriction Endonuclease | DNA Polymerase | Helicase | **B** | Submit Test & Check Score