Download NEET-UG 2013 Answer Key (Code - X) - Bansal Classes

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Q.69 Seed coat is not thin, membranous in :(1) Coconut (2) Groundnut(3) Gram (4) MaizeAns. 1Q.70 The diagram given here is the standard ECGof a normal person. The P - wave representsthe :(1) Initiation of the ventricular contraction(2) Beginning of the systole(3) End of systole(4) Contraction of both the atriaAns. 4Q.71 Which Mendelian idea is depicted by a crossin which the F 1 generation resembles both theparents?(1) law of dominance(2) inheritance of one gene(3) co - dominance(4) incomplete dominanceAns. 3Q.72 The tendency of population to remain ingenetic equilibrium may be disturbed by :(1) lack of migration(2) lack of mutations(3) lack of random mating(4) random matingAns. 3Q.73 If both parents are carriers for thalessemia,which is anautosomal recessive disorder, whatare the chances of pregnancy resulting in anaffected child?(1) 50% (2) 25%(3) 100% (4) no chanceAns. 2Q.74 In plant breeding programmes, the entirecollection (of plants/seeds) having all thediverse alleles for all genes in a giyen crop iscalled :(1) cross - hybridisation among the selectedparents.(2) evaluation and selection of parents.(3) germplasm collection.(4) selection of superior recombinants.Ans. 3Q.75 The cell- mediated immunity inside the humanbody is carried out by:(1) B -lymphocytes (2) Thrombocytes(3) Erythrocytes (4) T -lymphocytesAns. 4Q.76 Match the name of the animal (column I), withone characteristics (column II). and thephylum/class (column III) to which it belongs:Column I Column II Column III(1) Ichthyophis terrestrial Reptilia(2) Limulus body covered Piscesby chitinousexoskeleton(3) Adamsia radially Poriferasymmetrical(4) Petromyzon ectoparasite CyclostomataAns. 4Q.77 Pigment-containing membranous extensions insome cyanobacteria are :(1) Basal bodies (2) Pneumatophores(3) Chromatophores (4) HeterocystsAns. 3Q.78 Kyoto Protocol was endorsed at :(1) CoP-5 (2) CoP-6(3) CoP-4 (4) CoP-3Ans. 4
Q.79 Select the answer which correctly matches theendocrine gland with the hormone it secretesand its function/deficiency symptom:EndocrineglandsHormone Functiona/deficiencysymptoms(1) PosteriorpituitaryGrowthHormone(GH)Oversecretionstimulates abnormalgrowth(2) ThyroidglandThyroxine Lack of iodine in dietresults in goitre(3) CorpusluteumTestosterone Stimulatesspermatogenesis(4) AnteriorpituitaryOxytocin Stimulates uteruscontraction during childbirthAns. 2Q.80 The first stable product of fixation ofatmospheric nitrogen in leguminous plants is :(1)Ammonia–(2) NO 3(3) Glutamate–(4) NO 2Ans. 1Q.81 Natural reservoir of phosphorus is :(1) Animal bones (2) Rock(3) Fossils (4) Sea waterAns. 2Q.82 What external changes are visible after the lastmoult of a cockroach nymph?(1) Anal cerci develop(2) Both fore wings and hind wings develop(3) Labium develops(4) Mandibles become harderAns. 2Q.83 What is the correct sequence of spermformation?(1) Spermatogonia, spermatocyte,spermatozoa, spermatid(2) Spermatogonia, spermatozoa,spermatocyte, spermatid(3) Spermatogonia, spermatocyte, spermatid,spermatozoa(4) Spermatid, spermatocyte, spermatogonia,spermatozoaAns. 3Q.84 Select the wrong statement:(1) Anisogametes differ either in structure,function or behaviour(2) In Oomycetes female gamete is smaller andmotile, while male gamete is larger andnon-motile(3) Chlamydomonas exhibits both isogamyand anisogamy and Fucus shows oogamy(4) Isogametes are similar in structure, functionand behaviourAns. 2Q.85 Monoecious plant of Chara shows occurrenceof :(1) stamen and carpel on the same plant(2) upper antheridium and lower oogonium onthe same plant(3) upper oogonium and lower antheridium onthe same plant(4) antheridiophore and archegoniophore onthe same plantAns. 3Q.86 The essential chemical components of manyenzymes are :(1) Nucleic acids (2) Carbohydrates(3) Vitamins (4) ProteinsAns. 3
Page 1 and 2: CODE - XNEET-UG 2013 - Answer Key1
Page 3 and 4: Q.9 Antiseptics and disinfectants e
Page 5: Q.28 Reaction by which Benzaldehyde
Page 8 and 9: Q.54 A phosphoglyceride is always m
Page 12 and 13: Q.87 Which of the following stateme
Page 14 and 15: Q.103 The figure shows a diagrammat
Page 16 and 17: Q.118 The colonies of recombinant b
Page 18 and 19: Q.133 Artificial insemination means
Page 20 and 21: Q.147 A piece of iron is heated in
Page 22 and 23: Q.160 A source of unknown frequency
Page 24 and 25: Q.174 Ratio of longest wave lengths

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