PSC ZOOLOGY QUESTIONS AND ANSWERS
ZOOLOGY QUESTIONS AND ANSWERS / PSC Questions and Answers:- PSC +2, Degree Level Questions and Answers - KAS Questions and Answers / PSC New Pattern Syllabus Question
* PSC Exam Questions and Answers
1. Genetic Engineering belongs to the science of ——:
(a) Biology (b) Zoology
(c) Botany (d) Biotechnology
Answer: (d)
2. The fat content of cow milk is reduced during:
(a)Rainy season (b) Winter
(c) Summer (d) Pregnancy
Answer: (c)
3. The state of animal dormancy during summer:
(a) Aestivation (b) Hibernation
(c) Venation (d) Migration
Answer: (a)
4. In the human body the structure to which the appendix is attached:
(a)Liver (b) Small intestine
(c) Large intestine (d) Pancreas
Answer: (c)
5. In mammals, the embryo develops within the specialised part of the oviduct known as:
(a)Ovisac (b) Yolk sac
(c) Vagina (d) Uterus
Answer: (d)
6. The hormone which regulates Calcium and Phosphate in the human body:
(a)Parathyroid hormone (b) Insulin
(c) Glucagon (d) ADH
Answer: (a)
7. A skin softener used in cosmetics, obtained from sheep is:
(a)Castor oil (b) Lonolin
(c) Olive oil (d) None of these
Answer: (b)
8. The terms hypoglycemia and hyperglycemia are related to which among the following?
(a)Body fat
(b) Blood sugar
(c) Metabolism of sugar galactose
(d) Respiration
Answer: (c)
9. Skin works as a respiratory organ in which of the following organisms?
(a)Cockroach (b) Frog
(c) Whale (d) Dog Fish
Answer: (b)
10. Presence of which among the following salts in water causes ‘blue baby syndrome?
(a) Sulphate (b) Chlorides
(c) Carbonates (d) Nitrates
Answer: (d)
11. Schizophrenia is an example of:
(a)Allergy (b) Mental illness
(c) Degenerative disease (d) Contagious disease
Answer: (b)
12. The web of the spiders is made up of:
(a) Carbohydrates and proteins (b) Polysaccharides
(c) Proteins (d) Lipids
Answer: (c)
13. Bile is secreted by which of the following cells?
(a)Brown fat cells (b) Hepatocytes (c) Lymphocytes (d) Somatocytes
Answer: (b)
14. Blood plasma with which among the
following is called serum?
(a)Thrombin (b) Fibrin
(c) Fibrinogen (d) Collagen
Answer: (c)
15. The acid present in nucleic acid is:
(a) Phosphoric acid (b) Nitric acid
(c) Benzoic acid (d) Sulphuric acid
Answer: (a)
16. A goitre is also called:
(a)Bronchocele (b) Larynx
(c) Thalassemia (d) Hypoglycemia
Answer: (a)
17. In the polar tundra region which animal is used to get fur by nomadic Eskimos?
(a) Panda (b) Bear
(c) Walrus (d) Caribou
Answer: (d)
18. Fatigue is caused because of the formation and depositing of which among the following acids in muscle?
(a)Lactic acid (b) Citric acid
(c) Pyruvic acid (d) Acetic acid
Answer: (a)
19. The pigment melanin predominates in:
(a)Light blond hair (b) Deep black hair
(c) Grey hair (d) Brown hair
Answer: (b)
20. Which among the following sugars is maximum in honey?
(a)Maltose (b) Fructose
(c) Sucrose (d) Glucose
Answer: (b)
21. Which Vitamin contains a metal ion?
(a)Vitamin A (b) Vitamin B12
(c) Vitamin K (d) Vitamin B2
Answer: (b)
22. While using a sphygmomanometer, the blood pressure of _____ is measured.
(a)Median artery (b) Auxiliary artery
(c) Brachial artery (d) Radial artery
Answer: (c)
23. Other than hearing, the ear acts as an organ of:
(a)Memory (b) Secretion
(c) Excretion (d) Balance
Answer: (d)
24. Which organ has the highest power of regeneration?
(a)Intestine (b) Pancreas
(c) Lungs (d) Liver
Answer: (d)
25. White blood corpuscles in the body have a diameter of approximately:
(a) 0.7 mm (b) 0.07 mm
(c) 0.007 mm (d) 0.0007 mm
Answer: (c)
26. Tamiflu is a frontline drug against:
(a) AIDS (b) Bird flu
(c) Cancer (d) Polio
Answer: (b)
27. Animals living in the tree trunks are known as:
(a) Arboreal (b) Volant
(c) Amphibious (d) Aquatic
Answer: (a)
28. The study about amphibians and reptiles:
(a) Ornithology (b) Cetology
(c) Herpetology (d) Odontology
Answer: (c)
29. The scales of snakes are made up of:
(a) Chitin (b) Keratin
(c) Tannin (d) Rexin
Answer: (b)
30. The longest reptile:
(a) Crocodile (b) Iguana
(c) Komodo Dragon (d) Reticulated Python
Answer: (d)
31. The fastest snake:
(a) African Mamba(b) Krait
(c) King Cobra (d) Viper
Answer: (a)
32. Which is known as ‘the age of reptiles’?
(a) Coenozoic era (b) Paleozoic era
(c) Mesozoic era (d) None of these
Answer: (c)
33. The fastest reptile:
(a) Spiny tailed Iguana (b) Calotes
(c) Chameleon (d) Rat snake
Answer: (a)
34. Dinosaurs were included in the group of:
(a) Mammals (b) Amphibians
(c) Birds (d) Reptiles
Answer: (d)
35. Which one of the following is not an extinct animal?
(a) Passenger Pigeon (b) Mountain Quail
(c) Pink Headed Duck (d) Ibis
Answer: (d)
36. Haemophilia is mostly associated with:
(a) Labourers (b) Royal families
(c) Miners (d) Sportsmen
Answer: (b)
37. High intake of which one of the following is regarded as the main cause of heart diseases?
(a) Cholesterol (b) Proteins
(c) Starch (d) Sugar
Answer: (a)
38. Through which one of the following are hereditary characters are transmitted from one generation to another?
(a) Endoplasmic reticulum (b) Chromosomes
(c) Mitochondria (d) None of these
Answer: (b)
39. The scientist who decoded the language of bees:
(a) William Harvey (b) R.Kock
(c) Synodgrass (d) Karl Von Frisch
Answer: (d)
40. Some plants are carnivorous. Which one of the following is of that type?
(a) Begonia (b) Pitcher plant
(c) Sundew (d) Water Lily
Answer: (b)
41. Which is concerned with the classification of organisms?
(a) Histology (b) Genetics
(c) Agronomy (d) Taxonomy
Answer: (d)
42. Metabolic processes yield substances that are harmful to the body. These are rendered harmless in the:
(a) Small intestine (b) Liver
(c) Stomach (d) Pancreas
Answer: (b)
43. The dermis has skin pigment cells called:
(a) Dendrites (b) Monocytes
(c) Erythrocytes (d) Melanocytes
Answer: (d)
44. The function of ‘Lymphocyte’ is:
(a) Formation of antibody (b) Blood clotting
(c) Transport of gases (d) No known function is performed
Answer: (a)
45. Which of the following kind of cells in the human blood have the longest life span?
(a) Basophil (b) Erythrocyte
(c) Neutrophil (d) Platelet
Answer: (b)
46. Which one of the following is the first phase of mitotic division?
(a) Telophase (b) Prophase
(c) Metaphase (d) Anaphase
Answer: (b)
47. The insects which are highly destructive to buildings and wooden structures?
(a) Weevils (b) Cockroach and ants
(c) Corn borer (d) Termites
Answer: (d)
48. The word ‘ecosystem’ was first coined by:
(a) A.G.Tansley (b) R.Mishra
(c) E.P.Odum (d) None of these
Answer: (a)
49. Which one of the following is a hermaphrodite?
(a) Bedbug (b) Hookworm
(c) Mosquito (d) Earthworm
Answer: (d)
50. Plasma membrane in eukaryotic cells is made up of:
(a) Phospholipid (b) Lipoprotein
(c) Phospholipido protein (d) Phosphoprotein
Answer: (a)
51. The organism than can move according to the magnetic force of the earth:
(a) Snake (b) Snail
(c) Frog (d) Millipede
Answer: (b)
52. The organism that spreads Elephantiasis:
(a) Culex mosquito (b) Anopheles mosquito
(c) Ratflee (d) Plasmodium
Answer: (a)
53. Which organism has the largest eye:
(a) Elephant (b) Giraffe
(c) Rhino (d) Giant squid
Answer: (d)
54. Which organism identifies taste using its legs?
(a) Spider (b) Butterfly
(c) Frog (d) Cockroach
Answer: (b)
55. Which organism does not move?
(a) Snail (b) Sloth
(c) Sponge (d) Sea Urchin
Answer: (c)
56. Which is known as ‘painted lady’?
(a) Spider (b) Butterfly
(c) Python (d) Beetle
Answer: (b)
57. Which organism is known as ‘friend of the farmer’?
(a) Rat (b) Earthworm
(c) Cow (d) Dog
Answer: (b)
58. The organism that eats its mate:
(a) Ant (b) Cockroach
(c) Crab (d) Spider
Answer: (d)
59. The largest insect:
(a) Cockroach (b) Rhinoceros Beetle
(c) Bug (d) Goliath Beetle
Answer: (d)
60. The animal that has chlorophyll:
(a) Raccoon (b) Euglena
(c) Paramecium (d) Sea Urchin
Answer: (b)
61. The respiratory organ of earthworm:
(a) Skin (b) Book lungs
(c) Gills (d) Lungs
Answer: (a)
62. Insect without wings:
(a) Beetle (b) Bug
(c) Housefly (d) None of these
Answer: (b)
63. The chemical used by insects for communication:
(a) Auxins (b) Toxins
(c) Pheromones (d) Acids
Answer: (c)
64. The number of legs of a Crab:
(a) 4 (b) 6
(c) 10 (d) 8
Answer: (c)
65. Cultivation of Bees:
(a) Cericulture (b) Horticulture
(c) Vermiculture (d) Apiculture
Answer: (d)
66. The number of legs of an Ant:
(a) 6 (b) 4
(c) 8 (d) 10
Answer: (a)
67. The number of legs of a snail:
(a) One (b) 2
(c) 3 (d) 4
Answer: (a)
68. The colour of the blood of Cockroach:
(a) Green (b) Red
(c) Blue (d) Colourless
Answer: (d)
69. Contracting vacuole is the excretory organ of:
(a) Amoeba (b) Paramecium
(c) Euglena (d) Sulphur Bacteria
Answer: (a)
70. The number of pairs of wings of a Cockroach:
(a) 2 (b) 3
(c) 4 (d) 5
Answer: (a)
71. Anthrax is caused by:
(a) Virus (b) Bacteria
(c) Fungus (d) Plasmodium
Answer: (b)
72. The causative organism of Malaria:
(a) Plasmodium (b) Anophelus mosquito
(c) Bacteria (d) Virus
Answer: (a)
73. Periplaneta americana is the scientific name of:
(a) Frog (b) Cockroach
(c) Bed bug (d) Lice
Answer: (b)
74. Which is known as ‘Slipper animalcule’?
(a) Bacteria (b) Ameoba
(c) Paramecium (d) Sponge
Answer: (c)
75. The respiratory organ of spider:
(a) Book lungs (b) Gills
(c) Skin (d) None of these
Answer: (a)
76. The organism than can move according to the magnetic force of the earth:
(a) Snake (b) Snail
(c) Frog (d) Millipede
Answer: (b)
77. The organism that spreads Elephantiasis:
(a) Culex mosquito (b) Anopheles mosquito
(c) Rat flee (d) Plasmodium
Answer: (a)
78. Which organism has the largest eye:
(a) Elephant (b) Giraffe
(c) Rhino (d) Giant squid
Answer: (d)
79. Which organism identifies taste using its legs?
(a) Spider (b) Butterfly
(c) Frog (d) Cockroach
Answer: (b)
80. Which organism does not move?
(a) Snail (b) Sloth
(c) Sponge (d) Sea Urchin
Answer: (c)
81. Which is known as ‘painted lady’?
(a) Spider (b) Butterfly
(c) Python (d) Beetle
Answer: (a)
82. Which organism is known as ‘friend of the farmer’?
(a) Rat (b) Earthworm
(c) Cow (d) Dog
Answer: (b)
83. The organism that eats its mate:
(a) Ant (b) Cockroach
(c) Crab (d) Spider
Answer: (d)
84. The largest insect:
(a) Cockroach (b) Rhinoceros Beetle
(c) Bug (d) Goliath Beetle
Answer: (d)
85. The animal that has chlorophyll:
(a) Raccoon (b) Euglena
(c) Paramecium (d) Sea Urchin
Answer: (b)
86. The respiratory organ of earthworm:
(a) Skin (b) Book lungs
(c) Gills (d) Lungs
Answer: (a)
87. Insect without wings:
(a) Beetle (b) Bug
(c) Housefly (d) None of these
Answer: (b)
88. The chemical used by insects for communication:
(a) Auxins (b) Toxins
(c) Pheromones (d) Acids
Answer: (c)
89. The number of legs of a Crab:
(a) 4 (b) 6
(c) 10 (d) 8
Answer: (c)
90. Cultivation of Bees:
(a) Cericulture (b) Horticulture
(c) Vermiculture (d) Apiculture
Answer: (d)
91. The number of legs of an Ant:
(a) 6 (b) 4
(c) 8 (d) 10
Answer: (a)
92. The number of legs of a snail:
(a) One (b) 2
(c) 3 (d) 4
Answer: (a)
93. The colour of the blood of Cockroach:
(a) Green (b) Red
(c) Blue (d) Colourless
Answer: (d)
94. Contracting vacuole is the excretory organ of:
(a) Amoeba (b) Paramecium
(c) Euglena (d) Sulphur Bacteria
Answer: (a)
95. The number of pairs of wings of a Cockroach:
(a) 2 (b) 3
(c) 4 (d) 5
Answer: (a)
96. Anthrax is caused by:
(a) Virus (b) Bacteria
(c) Fungus (d) Plasmodium
Answer: (b)
97. The causative organism of Malaria:
(a) Plasmodium (b) Anophelus mosquito
(c) Bacteria (d) Virus
Answer: (a)
98. Periplaneta americana is the scientific name of:
(a) Frog (b) Cockroach
(c) Bed bug (d) Lice
Answer: (b)
99. Which is known as ‘Slipper animalcule’?
(a) Bacteria (b) Ameoba
(c) Paramecium (d) Sponge
Answer: (c)
100. The respiratory organ of spider:
(a) Book lungs (b) Gills
(c) Skin (d) None of these
Answer: (a)
101. Tamiflu is a frontline drug against:
(a) AIDS (b) Bird flu
(c) Cancer (d) Polio
Answer: (b)
102. Animals living in the tree trunks are known as:
(a) Arboreal (b) Volant
(c) Amphibious (d) Aquatic
Answer: (a)
103. The study about amphibians and reptiles:
(a) Ornithology (b) Cetology
(c) Herpetology (d) Odontology
Answer: (c)
104. The scales of snakes are made up of:
(a) Chitin (b) Keratin
(c) Tannin (d) Rexin
Answer: (b)
105. The longest reptile:
(a) Crocodile (b) Iguana
(c) Komodo Dragon (d) Reticulated Python
Answer: (d)
106. The fastest snake:
(a) African Mamba(b) Krait
(c) King Cobra (d) Viper
Answer: (a)
107. Which is known as ‘the age of reptiles’?
(a) Coenozoic era (b) Paleozoic era
(c) Mesozoic era (d) None of these
Answer: (c)
108. The fastest reptile:
(a) Spiny tailed Iguana (b) Calotes
(c) Chameleon (d) Rat snake
Answer: (a)
109. Dinosaurs were included in the group of:
(a) Mammals (b) Amphibians
(c) Birds (d) Reptiles
Answer: (d)
110. Which one of the following is not an extinct animal?
(a) Passenger Pigeon (b) Mountain Quail
(c) Pink Headed Duck (d) Ibis
Answer: (d)
111. Haemophilia is mostly associated with:
(a) Labourers (b) Royal families
(c) Miners (d) Sportsmen
Answer: (b)
112. High intake of which one of the following is regarded as the main cause of heart diseases?
(a) Cholesterol (b) Proteins
(c) Starch (d) Sugar
Answer: (a)
113. Through which, one of the following are hereditary characters are transmitted from one generation to another?
(a) Endoplasmic reticulum (b) Chromosomes
(c) Mitochondria (d) None of these
Answer: (b)
114. The scientist who decoded the language of bees:
(a) William Harvey (b) R.Kock
(c) Synodgrass (d) Karl Von Frisch
Answer: (d)
115. Some plants are carnivorous. Which one of the following is of that type?
(a) Begonia (b) Pitcher plant
(c) Sundew (d) Water Lily
Answer: (b)
116. Which is concerned with the classification of organisms?
(a) Histology (b) Genetics
(c) Agronomy (d) Taxonomy
Answer: (d)
117. Metabolic processes yield substances that are harmful to the body. These are rendered harmless in the:
(a) Small intestine (b) Liver
(c) Stomach (d) Pancreas
Answer: (b)
118. The dermis has skin pigment cells called:
(a) Dendrites (b) Monocytes
(c) Erythrocytes (d) Melanocytes
Answer: (d)
119. The function of ‘Lymphocyte’ is:
(a) Formation of antibody (b) Blood clotting
(c) Transport of gases (d) No known function is performed
Answer: (a)
120. Which of the following kind of cells in the human blood have the longest life span?
(a) Basophil (b) Erythrocyte
(c) Neutrophil (d) Platelet
Answer: (b)
121. Which one of the following is the first phase of mitotic division?
(a) Telophase (b) Prophase
(c) Metaphase (d) Anaphase
Answer: (b)
122. The insects which are highly destructive to buildings and wooden structures?
(a) Weevils (b) Cockroach and ants
(c) Corn borer (d) Termites
Answer: (d)
123. The word ‘ecosystem’ was first coined by:
(a) A.G.Tansley (b) R.Mishra
(c) E.P.Odum (d) None of these
Answer: (a)
24. Which one of the following is a hermaphrodite?
(a) Bedbug (b) Hookworm
(c) Mosquito (d) Earthworm
Answer: (d)
125. Plasma membrane in eukaryotic cells is made up of:
(a) Phospholipid (b) Lipoprotein
(c) Phospholipido protein (d) Phosphoprotein
Answer: (a)
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