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Zoology MCQs Miller Harley with Answers

1. The main division of the chromosomes occurs in: Anaphase
2. The protein synthesis occurs in: Ribosomes
3. Blood antigens are present in: RBC’s
4. Sex linked genes are the genes located on: X-chromosome only
5. Transcription is the phenomenon associated with: (a) Synthesis of new DNA    (b) Formation of mRNA and DNA (c) Formation of RNA (d) None of these
6. Segregation of alleles of a gene occurs in: Diploid individual
7. Sodium-Potassium pump is located in:       (a) Liver (b) Heart Cell (c) Nerve cell (d) All of the above (e) None of these (d) All of the above
8. Pepsin is an enzyme responsible for breaking: Proteins
9. Pace maker is located in: Heart
10. Follicle stimulating hormones are produced in: Pituitary
11. Genetic dominance is strongly associated with: Population distribution
12. Crossing over is the physical exchange between chromosomes. Homologous
13. XXY individual in man is phenotypically a: Male
14. Amino acids are the organic compound behaving like: (a) Acid (b) Base (c) Both (a) and (b) (d) None of these  (c) Both (a) and (b)
15. Which of these can be the first living organism on the earth: (a) Protozoan (b) Algae (c) Virus (d) None of these
16. Ontogeny represents the history of an organism. Embryonic
17. Nuclear membrane has a structure similar to: (a) Cell membrane (b) Mitochondrion (c) Endoplasmic reticulum (d) All of these
18. Osmosis is the movement of solutes through a membrane. Semi-permeable
19. Sickle Cell Anemia is the condition where the RBC’s deflate. Absence of Oxygen
20. Pond is an example of ecosystem: Complete
21. Despite the structural diversities they are characterized by having soft body protected by calcareous shell developing from the mantle layer. Molluses
22. The members of the phylum are exclusively Marine. Echino-dermata
23. How many paired legs are present in Arachnids? 4 pairs
24. A true Coelom is absent in: Platyhelminthes
25. A single aperture is present in? Cridaria
26. The following represents Enterocoelous phylum. Echinodermata
27. It is exclusively a parasitic group. Sporozoa
28. Most species of Animal Kingdom belong to this Class: Hexapoda
29. Insect mouth parts are serially homologous. Legs
30. The only groups of animals which are diploblastic in nature: Coelentrata
31. The phenomenon in which larva becomes sexually mature. Neoteny
32. Amphibians have the following number of chambers in their heart. 3
33. The young are born in less developed condition. Marsupials
34. Limbs of Sea Cows and Sea Lions are the product of: Convergent Evolution
35. In these animals the teeth are reduced to molars without enamel or no teeth are present. Sloths
36. Only hind limbs are lost in: Whales
37. Among the following which snake is non-poisonous? Python
38. Which one is excluded from the Phylum Chordata. Hemichordata
39. The earliest known species of birds is: Archaeopteryx
40. A muscular diaphragm helps to move air into and out of the lungs in: Mammalians
41. “Chiasma” formation could be seen first time in the following stage/sub stage of Meiosis: Zygotene
42. In protein synthesis each triplet code binds itself with one: Zygotene
43. For the rapid production of antibody in the precipitate test involving a rabbit one of the following animals could be used. Fowl
44. 13:3 Ration in “F2” is obtained in the case of: Complementary genes for colours in corn
45. Crossing over rarely or never takes place in the male of: Drosophila
46. XXY individual in Drosophila is phenotypically: Male
47. Fossils of which of these first living organisms were found? Protozoan
48. Which of these are exclusively functional proteins? Enzyme
49. Phytogeny represents the history of an organism: Evolutionary
50. Sickle Cell trait is found in: Heterozygous
51. The first living and respiring organism on earth were: Anaerobes
52. The major portion of digestion takes place in the: In the small intestine
53. Practically all absorption of digested food occurs in: Small intestine
54. Sibling species are produced as a result of: Allopatric speciation
55. In the days just after its formation the earth had: Reducing atmosphere
56. Zygotes containing “XY” are females in: Drosophila
57. The “Y” Chromosomes is sexually neutral in: (a) Man (b) In Drosophila (c) In moth (d) None of these
58. Marsupial are found in: (a) Only Australian region (b) In near arctic and Neotropical regions (c) Both ‘a’ and ‘b’ (d) None of these
59. In which stage of Meiosis Cento mere of each dyad divides? Metaphase II
60. Coelom is the body cavity originating from? Mesoderm
61. Cytopharynx is the structure present in? paramecium
62. Gemmules are the reproductive structures produced in? sponges
63. Comb plates are very specific structures of? Ctenophore
64. Nerve net is present in coelenterates at? below upper epidermis
65. Circulatory system in insects is? open type
66. Silk is produced by silkworm? Larva
67. The basic function of a flame cell is? Excretion
68. The scale in fishes are? Mesodermal
69. The neck of a camel has vertebras: 7
70. Spiders are Arachnids and they have legs? 8
71. Gill slits in chordates are present in? pharynx
72. Birds are flying and have ovaries? one on left side
73. Adult echinoderm has symmetry? Radial
74. The typical characters of all mammals is? a) mammary glands b) brain c) hair d) All of these
75. Mouth in shark is located? Ventral
76. The number of ribs in frog are?      a) 4    b) 6    c) 8    d) none of these
77. Earth worm are dissected from side? Dorsal
78. Duck billed platypus is a? monotreme
79. Silver fish is a member of? Insects
80. The chemical composition of a chromosome is: nucleoprotein
81. Lysosomes are responsible for: intracellular breakdown
82. Ribosomes are located on: rough endoplasmic reticulum
83. The metaphase chromosomes are thick because these? coiled coiling
84. Glycolysis occurs in? cytoplasm
85. Nerves convey the message in the form of? electrical impulse
86. Follicle stimulating hormone is produced in: pituitary
87. The primary excretory product is? Ammonia
88. Pepsin is responsible for digestion of: protein
89. XXY individual in men is phenotypically? Male
90. Sex linked genes are located on: only on X chromosome
91. Mendelian segregation is applicable to: gametogenesis
92. The number of the alleles of a gene in a diploid individual is: one
93. The gene mapping is measured in: centimorgans
94. Genetic dominance concerns with the phenotypic expression in: heterozygous
95. The first living organism was? Bacteria
96. Enzymes are chemically? Proteins
97. Theory of natural selection was initially proposed by: Darwin
98. Second law of thermodynamics demand? energy loss during transfer of energy
99. The basic purpose of ecosystem is? energy flow
100. Contractile vacoule in protozoa is basically responsible for? Osmoregultion