Quiznetik

Biology (GK) | Set 10

1. Mercury poisoning in man causes the disease –

Correct : C. Minamata

2. Chromosomes consist of –

Correct : C. DNA and proteins

3. Which one of the following organs converts glycogen into glucose and purifies the blood?

Correct : A. Liver

4. Absence of fish along a river indicates

Correct : A. Zone of degradation

5. Which of the following is not an endocrine gland?

Correct : D. Spleen

6. Which of the following is an insectivorous plant?

Correct : D. Drosera

7. Seed dormancy is regulatedby –

Correct : A. Abscisic acid

8. The process through which excess of light energy is dissipated in photosynthesis is known as

Correct : A. Quenching

9. AIDS virus destroys –

Correct : A. Lymphocytes

10. Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills?

Correct : D. Nitrosomonas

11. Thiamidine dimer formation in DNA is caused by -

Correct : D. UV-rays

12. One of the following excretes uric acid as its excretory product –

Correct : C. Sparrow

13. Smut of wheat is mused by –

Correct : C. Ustilago tritici

14. Which of the following is an endangered species?

Correct : B. Blue sheep

15. Of the following man-made disasters, which is socially induced?

Correct : C. Arson

16. Which one of the following endocrine gland is situated in the neck?

Correct : B. Thyroid

17. The seat of intelligence is situated in the

Correct : B. cerebellum

18. For which one among the following diseases no vaccine is yet available?

Correct : B. Malaria

19. Octopus is -

Correct : D. a mollusc

20. Potential of air pollution increases when the ventilation coefficient is –

Correct : D. < 6,000 m2/s

21. Who among the following have venous heart?

Correct : C. Fishes

22. In our body, antibodies are formed against pathogens in –

Correct : D. thymus by lymphocytes

23. Prawn heart carries -

Correct : C. oxygenated blood

24. Minamata disease was caused due to –

Correct : C. Mercury

25. Nutrients are recycled in the atmosphere with the help of certain micro- organisms referred to as -

Correct : C. decomposers

26. The yellow colour of urine is due to presence of –

Correct : D. Urochrorne

27. Which of the following is known as 'grave yard' of RBCs?

Correct : C. Spleen

28. Silk is produced by –

Correct : C. Larva of silkworm

29. Which of the following is an egg laying mammal?

Correct : D. Spiny anteater

30. The tallest plant in the world is –

Correct : A. Eucalyptus

31. The only bird that flies backward is –

Correct : D. Humming birds

32. Which of the following pairs has open type of circulatory system?

Correct : C. Cockroach and Silverfish

33. Which of the following animals does not have nervous system?

Correct : C. Amoeba

34. Plants differ from animals in having –

Correct : C. localised growth

35. Root nodules are commonly found in –

Correct : C. Leguminous plants

36. A disease caused by Protozoa is –

Correct : C. Malaria

37. Which of the following is a Vitamin?

Correct : B. Riboflavin

38. Which of the following organisms does not fit into the Cell Theory?

Correct : B. Virus

39. The most abundant enzyme in the living world is -

Correct : A. Rubisco

40. Scurvy is a disease of –

Correct : B. skin

41. The population of which of the following is maximum on the earth?

Correct : C. Reptiles

42. The term ’Rh factor’ refers to -

Correct : A. Rhesus factor

43. Who proposed the adage "Survival of the fittest"?

Correct : A. Darwin

44. The largest invertebrate is a/an –

Correct : B. Mollusc

45. The basic structural and functional unit of living organisms is -

Correct : A. Cell

46. The acid stored in batteries is –

Correct : A. Sulphuric acid

47. 'Stone Cancer' occurs due to –

Correct : A. Acid rain

48. Which of the following is a protein?

Correct : C. Natural rubber

49. Scientists has genetically modified photosynthesis process to increase crop yield by -

Correct : C. 15 Percent

50. When the Left Ventricle in the human heart contracts, the blood moves to the -

Correct : C. Aorta

51. Which one of the following is a condition of delayed blood clotting?

Correct : C. Haemophilia

52. Which of the following types of light are strongly absorbed by plants?

Correct : B. Blue and red

53. The vitamin necessary for coagulation of blood is –

Correct : C. Vitamin K

54. The first effective vaccine against polio was prepared by :

Correct : B. Jonas E. Salk

55. In mammals, an important role of excretion is played by –

Correct : B. Kidneye

56. Milk of magnesia is a suspension of –

Correct : C. magnesium hydroxide

57. Which virus from the following combinations is contagious for human beings?

Correct : A. H5N1

58. Which of the following is a deficiency disease?

Correct : C. Scurvy

59. Potassium metabisulphate is used as a food preservative for –

Correct : C. Fruit Juices

60. Which of these joints is a Hinge joint?

Correct : B. Elbow

61. The oil which causes dropsy is –

Correct : D. Argemone oil

62. Universal donors are people with the blood group –

Correct : C. O

63. Pulses are a good source of –

Correct : C. Proteins

64. High level of uric acid in the blood causes –

Correct : B. Gout

65. The function of Haemoglobin is to :

Correct : B. carry oxygen

66. When nitrogenous waste accumulates in the blood which organ is not functioning?

Correct : C. Kidneys

67. Which one of the following food-stuffs of the same quantity possesses the highest calorific value?

Correct : A. Butter

68. EEG is a technique to record the activity of –

Correct : C. brain

69. Lactose is present in –

Correct : B. milk

70. The colour of cow's milk is slightly yellow due to the presence of –

Correct : D. carotin

71. Which one of the following is a hereditary disease?

Correct : A. Haemophilia

72. What is the Normal Blood Volume in human adult?

Correct : C. Five litres

73. Which of the following has no blood, but respires?

Correct : C. Hydra

74. Organisms that generate energy using light are known as -

Correct : D. Photoautotrophs

75. The fasting blood glucose level in adults in mg/100 ml is –

Correct : C. 100

76. Entomology is the study of –

Correct : B. Insects

77. Exobiology is a science that deals with

Correct : C. life in the outer space

78. Which of the following fuels causes minimum environmental pollution?

Correct : C. Hydrogen

79. Name the organ where the embryo develops -

Correct : C. Ureter

80. Which of the following organelle is responsible for synthesizing of proteins in the cell?

Correct : B. Ribosome

81. Plants get water through the roots because of —

Correct : B. capillarity

82. The central control of respiratory activity in human body is exercised by –

Correct : C. medulla oblongata

83. Examples of vegetative propagation are

Correct : D. All of these

84. The biological decomposition of organic substances in wastes under controlled conditions known as -

Correct : A. composting

85. Human bone does not contain –

Correct : C. oxygen

86. Birds usually have a single –

Correct : D. Ovary

87. Alfalfa is the name of a kind of –

Correct : B. Crop

88. The protein present in the finger nail is

Correct : D. Keratin

89. 'Corms & seeds are seeds with -

Correct : A. Long hairs

90. The sugar present in DNA is –

Correct : A. Pentose

91. Which of the following weeds has been found effective in checking water pollution caused by industrial affluents?

Correct : A. Water hyacinth

92. Itai-itai disease is due to poisoning caused by –

Correct : C. Cadmium

93. Two richest known sources of edible protein are –

Correct : A. Meat and eggs

94. The blood vessel carrying blood from the lungs to the heart is –

Correct : C. Pulmonary vein

95. In onion food is stored in

Correct : C. scale leaves

96. In human body, cartilage is found in –

Correct : B. nose

97. Sickle-cell anemia is a disease caused due to the abnormality in –

Correct : B. red blood cells

98. Jaundice is caused due to the infection of –

Correct : B. liver

99. Haemophilia is –

Correct : C. a genetic disorder

100. The blood vessel supplying blood to the kidney is –

Correct : A. the renal artery