Quiznetik

Biology (GK) | Set 12

1. Which of the following foods gives instant energy to the athletes?

Correct : B. Glucose

2. Trachoma is a disease of the –

Correct : B. Eyes

3. The chemical component that is invariably found in all viruses is

Correct : A. proteins

4. Which is used as an Air pollution indicator?

Correct : D. Lichens

5. Which one of the following is a carbohydrate?

Correct : D. Glucose

6. The source of oxygen in atmosphere is due to –

Correct : A. Photosynthesis

7. is called as 'Father of Genetics'.

Correct : C. Gregor Johann Mendel

8. Quinine is obtained from which of the following Plant?

Correct : A. Cinchona

9. Which enzyme digests proteins in the stomach?

Correct : B. Pepsin

10. Fermentation is a type of               process.

Correct : B. Anaerobic Respiration

11. Name the scientist who proved that plants have life.

Correct : C. Jagdish Chandra Bose

12. The sexual reproductive organs of aspergillus are –

Correct : D. Antheridium and Ascogonium

13. Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?

Correct : C. Water hycinth

14. Name the gas used in preparation of bleaching powder –

Correct : D. Chlorine

15. Rio Summit is associated with –

Correct : A. Convention on Biological Diversity

16. Which of the following is an airborne disease?

Correct : A. Measles

17. Which one of the following Is also called the ‘powerplants’ of the cell?

Correct : B. Mitochondrion

18. A universal donor has the blood group

Correct : D. O

19. The enzyme which catalyzes the unwinding of DNA helix during replication is:

Correct : C. Helicase

20. Blue Revolution is related to:

Correct : B. Poultry

21. Scurvey is caused by:

Correct : C. Vitamin 'C'

22. Linseed is obtained from –

Correct : B. Flax

23. Which of the following organism possesses characteristics of a plant and an animal?

Correct : A. Euglena

24. Which one of the following features is absent in a virus?

Correct : B. presence of cell wall

25. The colour of the carrots is due to the presence of –

Correct : A. Carotene

26. Name the vitamin whose deficiency causes excessive bleeding?

Correct : C. Vitamin K

27. Study of old age is called –

Correct : A. Gerantalogy

28. Which of the following is also used as a Bio fertilizer?

Correct : D. All of the above

29. Wings of birds and insects are –

Correct : D. Analogous

30. With which one of the following Jacobsons organ is related to?

Correct : C. Smelling

31. Oxyntic cell is meant for the secretion of

Correct : C. Hydrochloric acid

32. The most suitable soil for the production of cotton is –

Correct : A. Black lava soil

33. Chromosorne designation of Turner sydrorne is :

Correct : A. 44A+XO

34. Rusting is the process of –

Correct : A. Oxidation

35. Enzymes are -

Correct : C. Proteins

36. The plant that behaves as a root parasite is -

Correct : C. Cuscuta

37. Which of the following is the basic characteristic of a living organism?

Correct : A. Ability to breathe

38. Myopia is a disease connected with –

Correct : D. Eyes

39. Dumb-bell shaped guard cells are present in –

Correct : C. Wheat

40. Which lobe of human brain is associated with hearing –

Correct : C. Temporal lobe

41. If the stomach did not produce any hydrochloric acid, which enzyme will not function?

Correct : C. Pepsin

42. The environment includes –

Correct : D. Abiotic and Biotic factors

43. Rhizobium is a kind of –

Correct : B. Symbiotic bacteria

44. Polyploidy arises due to change in the

Correct : C. number of chromosomes

45. The large startery in human body is –

Correct : A. Aorta

46. The tree species most commonly used in social forestry is –

Correct : C. Eucalyptus

47. The most productive ecosystem in the biosphere is –

Correct : C. Estuary

48. Panthera Pardus is the scientific name of –

Correct : A. Leopard

49. The plant cell will shrink when placed in

Correct : B. Hypertonic solution

50. Bacterial decomposition of biological material under anaerobic condition is –

Correct : A. fermentation

51. The only living tissue in plant xylem is

Correct : C. Xylem parenchyma

52. 'Insectivorous plants' trap insects for

Correct : A. Nitrogen

53. Arenchyma is present in –

Correct : C. Aquatic plants

54. Which of the following is responsible for transport of food and other substances in plants?

Correct : B. Phloem

55. One of the best solutions to get rid of non-biodeadable waste is –

Correct : D. Recycling

56. Male mosquitoes take their food from

Correct : C. sap of plants

57. Smooth muscles are likely to be found in –

Correct : C. stomach

58. The substrate of photorespiration is -

Correct : C. Glycolate

59. Which one of the following types of medicines is used for treating indigestion?

Correct : C. Antacid

60. Which of the following is known as animal starch?

Correct : A. glycogen

61. Maximum oxygen is available from –

Correct : D. Phytoplanktons

62. Which one of the following is a vestigial organ?

Correct : C. Wisdom-teeth

63. Water flows off the wings of birds and insects due to the presence of -

Correct : A. Waxes

64. Insectivorous plants grow in soil which is deficient in –

Correct : A. Nitrogen

65. Hind limbs thumping on ground by a rabbit is a behaviour related to –

Correct : C. Warning signal to members

66. When the electric impulse travels along the axon and reaches the other end called the synaptic terminal, this impulse triggers the release of –

Correct : A. Vesicles

67. Which is the second largest gland of Human body?

Correct : D. Pancreas

68. From which part of Opium plant we get morphine?

Correct : D. Fruit coat

69. Which of the following is the primary sex organ in man?

Correct : B. Testis

70. Which disease is caused by Nickel?

Correct : B. Dermatitis

71. Name the acid present in lemon.

Correct : C. Citric acid

72. Name the tiny pores present on the surface of leaves in plants.

Correct : B. Stomata

73. Rinderpest disease of Cattle is caused by

Correct : C. Virus

74. Haemoglobin in the blood is a complex protein rich in -

Correct : A. Iron

75. Vitamin C is also known as -

Correct : B. Ascorbic acid

76. The biological process in which both aerobes and anaerobes degrade organic matter is -

Correct : B. Composting

77. The cuticle is absent in -

Correct : A. Leaf

78. Which of the following is not a mosquito borne disease?

Correct : C. Sleeping sickness

79. Which is not a natural fibre?

Correct : D. Nylon

80. Glucose is a type of -

Correct : B. exose sugar

81. Number of mitochondria in bacterial cell is -

Correct : D. zero

82. The maximum fixation of solar energy is done by -

Correct : D. Green plants

83. Which one of the following chemicals is associated with muscle fatigue?

Correct : D. Lactic acid

84. Which of the following is a form of sexual reproduction:

Correct : B. Haemapheoditism

85. The 'Red Data Book' is the documentation of endangered rare species of:

Correct : D. All of these are correct

86. The parts of human body affected by Pyria are:

Correct : C. teeth and gums

87. What is the most basic criteria used to decide whether something is alive?

Correct : D. Life processes

88. Which of the following is known as ‘suicide bags of the cell’?

Correct : C. Lysosomes

89. The waste management technique that involves the use of microorganisms to remove or neutralize pollutants from contaminated site is called

Correct : C. Bio remecliation

90. Who is known as the 'Father of Green Revolution' in India?

Correct : B. Norman Borlaug

91. The specific role of Vitamin K is in the synthesis of -

Correct : D. Prothrombin

92. Increased RBC's in the blood leads to a condition called -

Correct : C. Polycythemia

93. 'Mendal' is known as –

Correct : D. Father of Biology

94. What makes a reptile a reptile?

Correct : D. Egg-laying

95. Growing agricultural crops between rows of planted trees is known as -

Correct : C. Taunia system

96. Which of the following increases the rate of heart beat?

Correct : B. Sympathetic nerves

97. Riboflavin is a/an -

Correct : A. Vitamin

98. Locomotory organ of a starfish is -

Correct : A. Tube feet

99. Pencillin is extracted from –

Correct : C. fungus

100. HIV is a -

Correct : D. retrovirus