1. Which one of the following has most corrosive effect?
Correct : D. Water
2. A plant with compound leaves is -
Correct : B. Coconut
3. The scientist who explained about blood circulation for the first time was -
Correct : B. William Harvey
4. What are the basic units from which human spare parts can be created?
Correct : B. Stern cells
5. The pollen grains of flowers pollinated by insects are :
Correct : B. rough and sticky
6. Which of the following structures present in mammalian skin directly helps in keeping the body warm?
Correct : C. Lymph vessels
7. Which from the following diseases usually spreads through milk?
Correct : A. Tuberculosis
8. Which of the following crops would be preferred for sowing in order to enrich the soil with nitrogen?
Correct : D. Gram
9. Which among the following has segmented body?
Correct : C. Phylum Annelida
10. How many layers does Human Skin have?
Correct : D. 3
11. It causes clotting of blood -
Correct : A. Thrombin
12. The largest flightless bird which can run at a great speed is -
Correct : C. Ostrich
13. Ginger is a modified -
Correct : D. stem
14. Honey contains mainly -
Correct : B. Carbohydrates
15. In a plant, the xylem tissue conducts -
Correct : A. water
16. The gas released during photosynthesis:
Correct : B. Oxygen
17. The transfer of minerals from top soil to subsoil through soil-water is called?
Correct : C. Leaching
18. When you eat Carrot, you are eating:
Correct : A. Root
19. The floral part that produces pollen grains is -
Correct : C. Anther
20. Which are not included in the milk teeth in a child of 3-4 years?
Correct : C. Molars
21. The red colour of human blood is due to
Correct : B. hemoglobin
22. The functional unit of the kidney is -
Correct : C. nephron
23. Which of the following causes Malaria?
Correct : C. Protozoa
24. Deposition of uric acid crystals at the joint is the cause of -
Correct : A. Arthritis
25. Whichone of the following is an extinct animal?
Correct : A. Passenger pigeon
26. From which one of the following is quinine extracted?
Correct : C. Cinchona
27. The colour change in the Chameleon is due to the presence of -
Correct : B. Chromatophore
28. The deficiency of iodine leads to -
Correct : B. Goitre
29. Which of the following is biodegradable?
Correct : A. Paper
30. Blue-green algae are included in the group –
Correct : B. Cyanobacteria
31. Haemoglobin contains the metal -
Correct : C. Iron
32. The most abundant enzyme in the living world is -
Correct : A. Rubisco
33. Mycobacterium leprae is a -
Correct : A. Bacillus
34. An insect is an organism having -
Correct : A. 3 pairs of legs
35. Malaria is transmitted from one person to another by:
Correct : C. Anopheles Mosquito
36. Liver is a RICH source of -
Correct : D. proteins
37. Cuscuta is a -
Correct : D. Parasite
38. The number of eggs normally released during one menstrual cycle is:
Correct : D. 4
39. Vegetables and fruits should be a part of our diet because they stimulate -
Correct : A. Peristalsis
40. Insectivorous plants grow in soil deficient in -
Correct : B. Nitrogen
41. RBCs do not perform aerobic respiration because these do not contain -
Correct : A. Mitochondria
42. A cross between homozygous recessive and heterozygous plant is -
Correct : B. Test cross
43. Which of the following is not a gland?
Correct : B. Stomach
44. A person having blood type B could safely donate blood to persons with blood types -
Correct : D. B and AB
45. Which of the following is the parasitic plant?
Correct : C. Mushroom
46. Cooking oil can be converted into vegetables ghee by the process of –
Correct : B. Hydrogenation
47. Cellulose is the chief constituent of –
Correct : A. cell wall
48. Which one of the following Vitamins helps in maintaining our skin healthy?
Correct : D. Vitamin E
49. Which one of the following mixtures is homogeneous?
Correct : B. Methanol and water
50. Hypoglycemia refers to –
Correct : D. low sugar level in blood
51. The primary source of carbohydrates are –
Correct : B. Plants
52. Which of the following process-es does not increase the amount of carbon dioxide in air?
Correct : B. Photosynthesis
53. The vitamin that is most readily manufactured in our bodies is –
Correct : D. vitamin D
54. Aspartame is the name of a product used by diabetic patients as a sweetening agent. It belongs to the class of —
Correct : B. Peptides
55. Which one of the following four secretions, is different from the remaining three in regard to its mode of transport from the source gland to the site of action?
Correct : C. Bile
56. Which one of the following organs excretes water, fat and various catabolic wastes?
Correct : A. Kidney
57. The animal that do not develop hypertension in spite of heavy intake of salt is:
Correct : D. Camel
58. Activity of an enzyme can be modulated by change of –
Correct : A. pH
59. Proteins are digested by –
Correct : A. Proteases
60. Jaundice is a disease which affects –
Correct : B. Liver
61. Cholesterol is absent in –
Correct : A. Groundnut oil
62. The pollutants which move downward with percolating ground water are called -
Correct : A. Leachates
63. Lungs are located in the –
Correct : D. pleural cavity
64. Which of the following diseases is caused by the consumption of nitrate contaminated food and water?
Correct : C. Blue baby syndrome
65. In which one of the following is swim bladder absent?
Correct : C. Cartilaginous fish
66. Which one of the following is the smallest endocrine gland in human body?
Correct : C. Pituitary
67. A seed can germinate in the absence of
Correct : A. adequate light
68. Normally animals can change the place, but which one of the following animals cannot change the place?
Correct : C. Hydra
69. DNA contains -
Correct : A. Pentose sugar
70. Who coined the term 'gene?
Correct : B. Johannsen
71. The term genetics' was coined by –
Correct : C. Bateson
72. The maximum biological damage is produced by –
Correct : B. gamma - rays
73. Which protein - sugar pair is present in milk?
Correct : B. Casein, Lactose
74. Who discovered that Malaria was caused by female Anopheles?
Correct : D. Ronald Ross
75. Saprophytes are the organisms which depend for food on –
Correct : C. dead and decaying material
76. Iodine solution is used to test the presence of –
Correct : C. Starch
77. Production of alcohol from organic compounds by microorganisms is known as
Correct : C. Anaerobic: respiration
78. Odontokgy is the branch of science which deals with the study of –
Correct : A. Teeth
79. Greater population can be supported on the earth only if we eat more -
Correct : C. plant products
80. The longest part of the alimentary canal is the –
Correct : A. Small Intestine
81. Which blood group is universal donor?
Correct : B. O-
82. Archaeopteryx had the following reptilian characters –
Correct : B. Clawed wings, teeth on jaw, tail
83. Which of the following vertebrates lack exoskeleton?
Correct : D. Chondrichthyes
84. Which cells in our body have the least regenerative power?
Correct : A. Brain cells
85. A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?
Correct : A. From brown to blue-black
86. Which animal may suffer from foot and mouth disease?
Correct : B. Cattle and sheep
87. What does enamel cover?
Correct : A. Crown of the tooth
88. Blood pressure is the pressure exerted by blood on the walls of –
Correct : C. Arteries
89. Which one of the Endocrine glands is known as master gland?
Correct : A. Pituitary
90. The biological death of a patient means the death of tissues of the -
Correct : C. brain
91. Blood pressure is high in the –
Correct : B. Arteries
92. Which drug is used to cure Hypertension?
Correct : D. Hydralazine
93. The method used to obtain alcohol from molasses is called –
Correct : C. fermentation
94. Bacterial diseases are found in –
Correct : D. All of the above
95. Which part of saffron plant is used to obtain the spice 'saffron'?
Correct : A. Dry stigma
96. Photosynthesis is –
Correct : B. An endothermic process
97. Rabies is a -
Correct : B. viral disease
98. Estrogen and Progesterone control and stimulate the growth in: