NEET Medical Exam Sample Paper

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Sample paper:

51. Parts A,B, C and D of the human eye are shown in the diagram. Select the options which give correct identification along with its function/characteristics:
(1) B-Blind spot-has only few rods and cones
(2) C-aqueous chamber-reflects the light which does not pass through the lens
(3) D-Choroid-its anterior part forms ciliary body
(4) A-Retina-contains photo receptors-rods and cones
52. Which of the following are correctly matched with respect to their taxonomic classification?
(1) Centipede, millipede, spider, scorpion-insecta
(2) House fly, butterfly, tse tse fly, silver fish-Insecta
(3) spiny anteater, sea urchin, sea cucumber-echinodermata
(4) flying fish, cuttle fish, silver fish-Pisces
53. The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because
(1) Insertional inactivation of alphagalactosidase in non- recombinant bacteria
(2) Insertional inactivation of alphagalactosidase in recombinant bacteria
(3) inactivation of glycosidase in recombinant bacteria
(4) Non-recombinant bacteria containing beta galactosidase
54. The most abundant intracellular cation is
(1) Ca++
(2) H-
(3) K+
(4) Na+
55. Figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions
(1) B-Pulmonary artery-takes blood from heart to lungs, PO2=90mm Hg
(2) C-Vena Cava-takes blood from body part to right auricle, PCO2=45mm Hg
(3) D-Dorsal aorta-takes blood from heart to body parts, PO2=95 mm Hg
(4) A-Pulmonary vein-takes impure blood from body parts, PO2=60mm Hg
56. Interfascicular cambium develops from the cells of
(1) Xylem parenchyma
(2) Endodermis
(3) Pericycle
(4) Medullary rays
57. Which one of the following is not the function of placenta?
(1) secretes estrogen
(2) facilitates removal of carbon dioxide and waste material from embryo
(3) secrete oxytocin during parturition
(4) facilitated supply of oxygen and nutrients to the embryo
58. Which of the metabolite is common to respiration mediated breakdown of fats, carbohydrates and proteins?
(1) Fructose 1,6-biphosphate
(2) Pyruvic acid
(3) Acetyl CoA
(4)Glucose-6-phosphate
59. According to Darwin, organic evolution is due to
(1) interspecific competition
(2) competition within closely related species
(3) reduced feeding efficiency in one species due to the presence of interfering species
(4) intraspecific competion
60. Kyoto Protocol was endorsed at:
(1)CoP -5
(2)CoP -6
(3)CoP - 4
(4)CoP - 3
Answers
51. (4) A-Retina-contains photo receptors-rods and cones
52. (2) House fly, butterfly, tse tse fly, silver fish-Insecta
53. (2) Insertional inactivation of alphagalactosidase in recombinant bacteria
54. (3) K+
55. (2) C-Vena Cava-takes blood from body part to right auricle, PCO2=45mm Hg
56. (4) Medullary rays
57. (3) secrete oxytocin during parturition
58. (3) Acetyl CoA
59. (4) intraspecific competion
60. (4) CoP - 3
61. If both parents are carriers for thalassemia , which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
(1) 50%
(2) 25%
(3)100%
(4)no chance
62.In plant breeding programmes, the entire collection of plants / seeds) having all the diverse alleles for all genes in a give crop is called:
(1) cross hybridisation among the selected parents
(2) evaluation and selection of parents
(3) Germplasm collection
(4) selection of superior recombinants
63. The first stable product of fixation of atmosphere nitrogen in leguminous plants is:
(1) Ammonia
(2) NO-3
(3) Glutamate
(4)NO-2
64. Natural reservoir of phosphorus is
(1)Animal bones
(2) Rock
(3) Fossils
(4)Sea water
65. What external changes are visible after the last moult of cockroach nymph?
(1) Anal cerci develop
(2) Both fore wings and hind wings develop
(3) Labium develops
(4) Mandibles become harder
66. The essential chemical components of many coenzymes are
(1)Nucleic acid
(2) Carbohydrates
(3) Vitamins
(4) Proteins
67. What is the correct sequence of sperm formation?
(1) Spermatogonia, Spermatocyte, Spermatozoa, Spermatid
(2) Spermatogonia, Spermatozoa, Spermatocyte, Spermatid
(3) Spermatogonia, Spermatocyte, Spermatid, Spermatozoa
(4) Spermatid, Spermatocyte, Spermatogonia, Spermatozoa
68. Monoecious plant of Chara shows occurrence of
(1) stamens and carpel on the same plant
(2) upper antherdium and lower oogonium on the same plant
(3) upper oogonium and lower antherdium on the same plant
(4) Antherdium and archegoniophore on the same plant
69.Meiosis takes place in
(1) Conidia
(2) Gemmule
(3) Megaspore
(4) Meiocyte
70. Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac-Y gene?
(1) lactose permease
(2) transacetylase
(3) lactose permease and transacetylase
(4) Beta-galactosidase
Answers
61. (2) 25%
62. (3) Germplasm collection
63. (1) Ammonia
64. (2) Rock
65. (2) Both fore wings and hind wings develop
66. (3) Vitamins
67. (3) Spermatogonia, Spermatocyte, Spermatid, Spermatozoa
68. (3) upper oogonium and lower antherdium on the same plant
69. (4) Meiocyte
70. (4) Beta-galactosidase