Take the online NEET mock test on StudyWithGenius that covers the entire syllabus to boost your preparation. Enrol now to take the mock test. Every medical aspirant must take the NEET mock test in 2021. Experts complete your study materials and ensure that you pass the exam with flying colours. Sl. No. Subject No. of Questions Marks 1 Physics 45 180 2 Chemistry 45 180 4 Zoology 45 180 3 Botany 45 180 Total 180 720 Each question carries 4 marks Correct answer fetches 4 marks for each question 1 mark is deducted for each incorrect answer If, after the process of challenging a key, more than one option is found to be correct, then any/all one of the multiple correct options which are marked will be awarded 4 marks No marks are awarded if questions are left unanswered or unattempted In the event if a question was ignored or dropped, all the candidates shall be awarded 4 marks regardless of the fact that whether the question was attempted or not 1. Which one of the following shows isogamy with non flagellated gametes? a) Sargassum b) Ectocarpus c) Ulothrix d) Spirogyra None 2. Five kingdom system of classification suggested by R.H. Whittaker is not based on: a) Presence or absence of a well defined nucleus b) Mode of reproduction. c) Mode of nutrition. d) Complexity of body organisation. None 3. Which one of the following fungi contains hallucinogens? a) Marchella esculenta b) Amanita muscaria c) Neurospora sp. d) Ustilago sp. None 4. Archaebacteria differ from eubacteria in : a) Cell membrane b) Mode of nutrition c) Cell shape d) Mode of reproduction None 5. Which one of the following is wrong about Chara? a) Upper oogonium and lower round anthendium b) Globule and nucule present on the same plant. c) Upper antheridium and lower oogonium d) Globule is male reproductive structure None 6. Which of the following is responsible for peat formation? a) Marchantia b) Riccia c) Funaria d) Sphagnum None 7. Placenta and pericarp are both edible portions in: a) apple b) Banana c) Tomato d) Potato None 8. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as: a) Vexillary b) Imbricate c) Twisted d) Valvate None 9. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two? a) Secondary xylem b) Secondary phloem c) Protoxylem d) Cortical cells None 10. The osmotic expansion of a cell kept in water is chiefly regulated by : a) Mitochondria b) Vacuoles c) Plastids d) Ribosomes None 11. Which one of the following statements is correct? a) The seed in grasses is not endospermic b) Mango is a parthenocarpic fruit c) A proteinaceous aleurone layer is present in maize grain d) A sterile pistil is called a staminode None 12. Tracheids differ from other tracheary elements in: a) having casparian strips b) being imperforate c) lacking nucleus d) being lignified None 13. An example of edible underground stems is: a) Carrot b) Ground nut c) Sweet potato d) Potato None 14. Which structures perform the function of mitochondria in bacteria? a) nucleoid b) Ribosomes c) Cell wall d) Mesosomes None 15. The solid linear cytoskeletal elements has diameter of 6 nm and made up of a single type of monomer are known as: a) Microtubules b) Microfilaments c) Intermediate filaments d) Lamins None 16. During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? a) Go and G₁ b) G₁ and S c) Only G₂ d) G₂ and M None 17. Dr. F. Went noted that if coleoptile tips were moved and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what significance is this experiment? a) It made possible the isolation and exact identification of auxin. b) It is the basis for quantitative determination of small amounts of growth-promoting substances. c) It supports the hypothesis that IAA is auxin. d) it demonstrated polar movement of auxins. None 18. Deficiency symptoms of nitrogen and potassium are visible first in : a) Senescent leaves b) Young leaves c) Roots d) Buds None 19. In which one of the following processes CO₂ is not released? a) Aerobic respiration in plants b) Aerobic respiration in animals c) Alcoholic fermentation d) Lactate fermentation None 20. Anoxygenic photosynthesis is characteristic of: a) Rhodospirillum b) Spirogyra c) Chlamydomonas d) Ulva None 21. A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them? a) Mutated b) Embolised c) Etiolated d) Defoliated None 22. Which one of the following growth regulators is known as stress hormone? a) Abscissic acid b) Ethylene c) GA3 d) Indole acetic acid None 23. Geitonogamy involves: a) fertilization of a flower by the pollen from another flower of the same plant. b) fertilization of a flower by the pollen from the same flower. c) fertilization of a flower by the pollen from a flower of another plant in the same population. d) fertilization of a flower by the pollen from a flower of another plant belonging to a distant population. None 24. Male gametophyte with least number of cell is present in : a) Pteris b) Funaria c) Lilium d) Pinus None 25. An aggregate fruit is one which develops from: a) Multicarpellary syncarpous gynoecium b) Multicarpellary apocarpus gynoecium c) Complete inflorescence d) Multicarpellary superior ovary None 1 out of 4 26. Pollen tablets are available in the market for: a) In vitro fertilization b) Breeding programmes c) Supplementing food d) Ex situ conservation None 27. Function of filiform apparatus is to : a) Recognize the suitable pollen at stigma b) Stimulate division of generative cell c) Produce nectar d) Guide the entry of pollen tube None 28. Non-albuminous seed is produced in: a) Maize b) Castor c) Wheat d) Pea None 29. Which of the following shows coiled RNA strand and capsomeres? a) Polio virus b) Tobacco masaic virus c) Measles virus d) Retrovirus None 30. Which one of the following is wrongly matched? a) Transcription-Writing information from DNA to t-RNA. b) Translation-Using information in m-RNA to make protein c) Repressor protein-Binds to operator to stop enzyme synthesis d) Operon - Structural genes, operator and promoter None 31. Stimulation of a muscle fiber by a motor neuron occurs at: a) the neuromuscular junction b) the transverse tubules c) the myofibril d) the sacroplasmic reticulum None 32. Injury localized to the hypothalamus would most likely disrupt: a) short-term memory. b) co-ordination during locomotion c) executive functions, such as decision making. d) regulation of body temperature. None 33. Which one of the following statements is not correct? a) Retinal is the light absorbing portion of visual photo pigments. b) In retina the rods have the photopigments rhodopsin while cones have three different photopigments. c) Retinal is a derivative of Vitamin C. d) Rhodopsin is the purplish red protein present in rods only. None 34. Identify the hormone with its correct matching of source and function: a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle. c) Progesterone-corpus-luteum, stimulation of growth and activities of female secondary sex organs d) Atrial natriuretic factor- ventricular wall increases the blood pressure. None 35. Fight-or-flight reactions cause activation of: a) the parathyroid glands, leading to increased metabolic rate. b) the kidney, leading to suppression of renin- angiotensin-aldosterone pathway. c) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrene. d) the pancreas leading to a reduction in the blood sugar levels. None 36. The shared terminal duct of the reproductive and urinary system in the human male is: a) Urethra b) Ureter c) Vas deferens d) Vasa efferentia None 37. The main function of mammalian corpus luteum is to produce : a) estrogen only b) progesterone c) human chorionic gonadotropin d) relaxin only None 38. Select the correct option describing gonadotropin activity in a normal pregnant female : a) High level of FSH and LH stimulates the thickening of endometrium. b) High level of FSH and LH facilitate implantation of the embryo. c) High level of hCG stimulates the synthesis of estrogen and progesterone. d) High level of hCG stimulates the thickening of endometrium. None 39. 14.Tubectomy is a method of sterilization in which: a) small part of the fallopian tube is removed or tied up. b) ovaries are removed surgically. c) small part of vas deferens is removed or tied up. d) uterus is removed surgically. None 40. Which of the following is a hormone releasing Intra Uterine Device (IUD)? a) Multiload 375 b) LNG-20 c) Cervical cap d) Vault None 41. Assisted reproductive technology, IVF involves transfer of : a) Ovum into the fallopian tube. b) Zygote into the fallopian tube. c) Zygote into the uterus. d) Embryo with 16 blastomeres into the fallopian tube. None 42. Commonly used vectors for human genome sequencing are: a) T-DNA b) BAC and YAC c) Expression Vectors d) T/A Cloning Vectors None 43. A human female with Tunner's syndrome: a) has 45 chromosomes with XO. b) has one additional X chromosome. c) exhibits male characters. d) is able to produce children with normal husband. None 44. Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of: a) Analogous organs b) Adaptive radiation c) Homologous organs d) Convergent evolution None 45. In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is : a) 0.4 b) 0.5 c) 0.6 d) 0.7 None 46. The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of: a) Analogous organs that have evolved due to divergent evolution b) Homologous organs that have evolved due to convergent evolution c) Homologous organs that have evolved due to divergent evolution d) Analogous organs that have evolved due to convergent evolution None 47. Select the correct statement with respect to locomotion in humans: a) The joint between adjacent vertebrae is a fibrous joint b) A decreased level of progesterone causes osteoporosis in old people c) Accumulation of uric acid crystals in joints causes their inflammation d) The vertebral column has 10 thoracic vertebrae None 48. A phosphoglyceride is always made up of: a) a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule b) only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached c) only a unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached d) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached None 49. Perisperm differs from endosperm in: a) its formation by fusion of secondary nucleus with several sperms b) being a haploid tissue c) having no reserve food d) being a diploid tissue None 50. A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is: a) Amensalism b) Ectoparasitism c) Symboisis d) Commensalism None 2 out of 4 51. The cell-mediated Immunity inside the human body is carried out by: a) Erythrocytes b) T-lymphocytes c) B-lymphocytes d) Thrombocytes None 52. Which of the following are likely to be present in deep sea water? a) Saprophytic fungi b) Archaebacteria c) Eubacteria d) Blue-green algae None 53. One of the representatives of Phylum Arthropoda: a) flying fish b) cuttlefish c) silverfish d) pufferfish None 54. Megasporangium is equivalent to: a) Ovule b) Embryo sac c) Fruit d) Nucellus None 55. Kyoto Protocol was endorsed at: a) COP-4 b) COP-3 c) COP-5 d) COP-6 None 56. In china rose the flowers are: a) Zygomorphic, epigynous with twisted aestivation b) Actinomorphic, hypogynous with twisted aestivation c) Actinomorphic, epigynous with valvate aestivation d) Zygomorphic, hypogynous with imbricate aestivation None 57. The Golgi complex plays a major role: a) in post translational modification of proteins and glycosidation of lipids b) in trapping the light and transforming it into chemical energy c) in digesting proteins and carbohydrates d) as energy transferring organelles None 58. What external changes are visible after the last moult of a cockroach nymph? a) Labium develops b) Mandibles become harder c) Anal cerci develop d) Both fore wings with hind wings develop None 59. Isogamous condition with non-flagallated gametes is found in: a) Fucus b) Chlamydomonas c) Spirogyra d) Volvox None 60. Transition state structure of the substrate formed during an enzymatic reaction is: a) permanent and stable b) transient but stable c) permanent but unstable d) transient and unstable None 61. The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of: a) Inactivation of glycosidase enzyme in recombinant bacteria. b) Non-recombinant bacteria containing beta-galactosidase c) Insertional inactivation of alpha-galactosidase in non-recombinant bacteria d) Insertional inactivation of beta galactosidase in recombinant bacteria None 62. Monoecious plant of Chara shows occurrence of: a) upper oogonium and lower antheridium on the same plant b) antheridiophore and archegoniophore on the same plant c) stamen and carpel on the same plant d) upper antheridium and lower oogonium on the same plant None 63. Advantage of cleistogamy is: a) Vivipary b) Higher genetic variability c) More vigorous offspring d) No dependence on pollinators None 64. The H-zone in the skeletal muscle fibre is due to: a) extension of myosin filaments in the central portion of the A-band b) the absence of myofibrils in the central portion of A-band c) the central gap between myosin filaments in the A-band d) the central gap between actin filaments extending through myosin filaments in the A band None 65. Artificial insemination means: a) introduction of sperms of a healthy donor directly into the ovary b) transfer of sperms of a healthy donor to a test tube containing ova c) transfer of sperms of husband to a test tube containing ova d) artificial introduction of sperms of a healthy donor into the vagina None 66. Which group of animals belong to the same phylum? a) Sponge, Sea anemone, Starfish b) Malarial parasite, Amoeba, Mosquito c) Earthworm, Pinworm, Tapeworm d) Prawn, Scorpion, Locusta None 67. Age of a tree can be estimated by: a) diameter of its heartwood b) its height and girth c) biomass d) number of annual rings None 68. A good producer of citric acid is: a) Saccharomyces b) Aspergillus c) Pseudomonas d) Clostridium None 69. The tendency of population to remain in genetic equilibrium may be disturbed by: a) lack of random mating b) random mating c) lack of migration d) lack of mutations None 70. Infection of Ascaris usually occurs by: a) mosquito bite b) drinking water containing eggs of Ascaris c) eating imperfectly cooked pork. d) Tse-tse fly None 71. Secondary productivity is rate of formation of new organic matter by: a) Decomposer b) Producer c) Parasite d) Consumer None 72. Which of the following cannot be detected in a developing foetus by amniocentesis? a) Jaundice b) Klinefelter syndrome c) Sex of the foetus d) Down syndrome None 73. Seed coat is not thin, membranous in: a) Gram b) Maize c) Coconut d) Ground nut None 74. If two persons with 'AB blood group marry and have sufficiently large number of children, these children could be classified as 'A' blood group: AB blood group: B blood group in 1: 2: 1 ratio. Modern technique of protein electrophoresis reveals presence of both 'A and B type proteins in AB blood group individuals. This is an example of- a) Complete dominance b) Codominance c) Incomplete dominance d) Partial dominance None 75. The process by which organisms with different evolutionary history evolve similar phenotypic adaptation in response to a common environmental challenge, is called: a) Adaptive radiation b) Natural selection c) Convergent evolution d) Non-random evolution None 3 out of 4 76. During seed germination its stored food is mobilized by: a) Gibberellin b) Ethylene c) Cytokinin d) ABA None 77. Meiosis takes place in : a) Megaspore b) Meiocyte c) Conidia d) Gemmule None 78. According to Darwin, the organic evolution is due to : a) Reduced feeding efficiency in one species due to the presence of interfering species b) Intraspecific competition c) Interspecific competition d) Competition within closely related species None 79. Which of the following criteria does not pertain to facilitated transport? a) Uphill transport b) Requirement of special membrane proteins c) High selectivity d) Transport saturation None 80. A major site for synthesis of lipids is: a) Nucleoplasm b) RER c) SER d) Symplast None 81. Natural reservoir of phosphorus is: a) Fossils b) Sea water c) Animal bones d) Rock None 82. Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins? a) Acetyl COA b) Glucose-6-phosphate c) Fructose 1,6-bisphosphate d) Pyruvic acid None 83. If both parents are carriers for thalessemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child? a) 100% b) No chance c) 50% d) 25% None 84. Besides paddy fields, cyanobacteria are also found inside vegetative part of: a) Psilotum b) Pinus c) Cycas d) Equisetum None 85. Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as : a) Genetic load b) Genetic flow c) Genetic drift d) Random mating None 86. Select the wrong statement: a) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy b) Isogametes are similar in structure, function and behaviour c) Anisogametes differ either in structure, function or behaviour d) In Oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile None 87. Which Mendelism idea is depicted by a cross in which the F1 generation resembles both the parents? a) co-dominance b) incomplete dominance c) law of dominance d) inheritance of one gene None 88. Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene? a) Lactose permease and transacetylase b) B-galactosidase c) Lactose permease d) Transacetylase None 89. The most abundant intracellular cation is: a) K+ b) Na+ c) Ca++ d) H+ None 90. Which one of the following is not the function of placenta ? It: a) secretes oxytocin during parturition b) facilitates supply of oxygen and nutrients to embyro c) secretes estrogen d) facilitates removal of carbon dioxide and waste material from embryo None 4 out of 4 Please fill in the comment box below. You May Also Visit: Physic Mock Test For NEET Chemistry Mock Test For NEET Thank You Join our social networks below and stay updated with latest contests, videos, internships and jobs! 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