Quiznetik

Biology (GK) | Set 11

1. Which of the following provides energy for photosynthesis?

Correct : B. Sunlight

2. Food for the developing fetus is supplied by the –

Correct : B. Placenta

3. The saliva helps in the digestion of –

Correct : B. Starch

4. Which vitamin deficiency causes the disease, Pernicious anaemia?

Correct : B. Vitamin B12

5. 'Pigeon milk' is produced by –

Correct : B. Birds

6. Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells?

Correct : A. Mitochondria

7. Nitrogenous food is

Correct : C. Protein

8. The pigment which gives colour to the human skin is –

Correct : A. Melanin

9. Which of the following diseases is spread through contaminated food?

Correct : C. Typhoid

10. Prawns belong to which family?

Correct : A. Crustaceans

11. Number of the pairs of the spinal nerves are:

Correct : B. 31

12. How many times does the heart beat approximately in a minute in humans?

Correct : C. 72 times

13. Protein is considered as a -

Correct : A. Body builder

14. Polio disease is caused by -

Correct : C. Virus

15. Blood pressure is controlled by –

Correct : A. Adrenal gland

16. Which of the following is called the powerhouse' of the cell?

Correct : D. Mitochondrion

17. Acquired Immuno Deficiency Syndrome (AIDS) is caused by –

Correct : B. virus

18. The function of Trypsin is to –

Correct : C. break down proteins

19. Mesothelioma is a type of cancer. The most common area affected in it is the lining of the –

Correct : D. lungs

20. How do most insects respire?

Correct : C. By tracheal system

21. Which of the following is the best source of Iodine?

Correct : B. Beans

22. Transport of oxygen by blood takes place with the help of

Correct : A. Erythrocytes

23. Butter is -

Correct : B. water dispersed in fat

24. The part of the flower that can carry out photosynthesis is –

Correct : C. Calyx

25. "Pace-maker" is associated with –

Correct : C. Heart

26. Insufficient dietary iodine can cause –

Correct : C. Enlarged thyroid

27. What determines the sex of a child?

Correct : A. Chromosomes of the father

28. In a freezer ice cubes will be formed more quickly in trays made of –

Correct : C. aluminium

29. Carrot is a rich source of vitamin –

Correct : A. A

30. Which one of the following is used as a food preservative?

Correct : A. Sodium benzoate

31. Which of the following organelle of the cell contain their own genetic material?

Correct : A. Mitochondria

32. The disease Beri Beri is caused due to the deficiency of which of the following?

Correct : B. Vitamin B1

33. Which is the largest blood vessel, in human body?

Correct : A. Aorta

34. The blotting technique used to identify the isolated protein is -

Correct : B. Western blotting

35. Morphology of Chromosomes can be best studied at -

Correct : C. Metaphase

36. Which of the following is a fish?

Correct : C. Salmon

37. The vitamin which cannot be had from any vegetables is –

Correct : C. Vitamin D

38. The concept of ‘survival of the fittest’ was first advocated by -

Correct : B. Darwin

39. Deficiency of vitamin D in children causes -

Correct : C. rickets

40. Wings of birds are:

Correct : D. Modified fore limbs

41. Radioactive materials should be kept in the container made of :

Correct : D. Steel

42. Which of the following prevents bleeding of gums?

Correct : A. Ascorbic acid

43. Cell becomes turgid because of -

Correct : C. Endosmosis

44. The process of imbibitions involves -

Correct : C. Absorption

45. 'Barr body' is found in -

Correct : C. Female somatic cells

46. One of the best solutions to get rid of non-biodegradable wastes is -

Correct : D. Recycling

47. Fist is a first class protein as it Contains -

Correct : A. essential amino acids

48. Stern is usually -

Correct : A. Positively Phototropic

49. The cells which are closely associated and interacting with guard cells are -

Correct : C. Subsidiary cells

50. Conversion of starch to sugar is essential for -

Correct : A. Stomatal opening

51. The hydrophilic nature of DNA is due to the presence of -

Correct : B. a number of hydrogen bonds

52. Which of the following is used in the treatment of cancer?

Correct : B. Chemotherapy

53. Which one of these animals is jawless -

Correct : C. Myxine

54. Minamata disease is caused by pollution of water by -

Correct : D. mercury

55. Commercially valued cork is obtained from -

Correct : A. Quercus spp

56. Which of the following human genetic disorders is sexlinked?

Correct : A. Haemophilia

57. Golden Revolution in India refers to growth of -

Correct : B. Oilseeds production

58. Eustachian Tube, is located in which part of human body?

Correct : B. Ear

59. Which part of the brain plays an important role in motor control?

Correct : A. Cerebellum

60. Which of the following vitamins help in the absorption of calcium?

Correct : B. Vitamin D

61. Which of the following vitamins contain nitrogen?

Correct : B. Vitamin B

62. If waste materials contaminate the source of drinking water, which of the following diseases will spread?

Correct : B. Typhoid

63. Pneumonia is a bacterial disease caused by the type of bacteria called             .

Correct : B. Cocci

64. "Alfalfa" is the name of a -

Correct : C. Grass

65. Chlorophyll was first isolated and named by -

Correct : D. Caventou and Pelletier

66. Which of the following organ-isms does not fit into the Cell Theory?

Correct : B. Virus

67. Which of the following is an example of conjugated protein?

Correct : D. Glycoprotein

68. The exchange of gases takes place in the leaves through these pores for the purpose of photosynthesis. These pores are called –

Correct : B. Stomata

69. Goitre is caused by the deficiency of

Correct : C. Iodine

70. Which part of brain is also known as "little brain"?

Correct : B. Cerebellum

71. Which organism is responsible for alcohol fermentation?

Correct : B. Yeast

72. Polio is caused by -

Correct : B. Virus

73. Copper is associated with             mitochondria' enzymes.

Correct : A. Cytochrome oxidase

74. Metals can be             temperature.

Correct : C. Solid or liquid

75. Red rot of sugarcane is caused by -

Correct : C. Colletotrichum falcaturn

76. The fleshy thalamus is edible in -

Correct : A. Apple

77. Bacterial cells do not have -

Correct : D. Mitochondria

78. A cellulosic wall is found in the cells of -

Correct : D. plants

79. The filtration unit of kidney is -

Correct : B. nephron

80. Which of the following is a tapeworm?

Correct : C. Taenia

81. Bacteriophage was discovered by -

Correct : A. Felix d'Herelle and Frederick Twort

82. Genes are not found in pairs -

Correct : C. in gametes

83. Which vein brings clean blood from the lungs into the heart?

Correct : B. Pulmonary Vein

84. Leaving agricultural land uncultivated for some years known as –

Correct : B. Fallowing

85. The gametophyte is called prothallus in

Correct : A. Pteridophyta

86. The best example of Polyembryony is

Correct : C. Citrus

87. The main function of palisade parenchyma in leaf is –

Correct : D. Toxins

88. The harmful substances produced by the microbes are known as –

Correct : D. Toxins

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

Correct : D. Hydrogen

90. Which one of the following is the infective stage of the Malarial Parasite?

Correct : D. sporozoite

91. Approximate number of skeletal muscles is :

Correct : B. 700

92. The Ozone layer protects us from:

Correct : B. Ultra-Violet rays

93. Children especially in western countries who receive very little sunshine suffer from –

Correct : A. rickets

94. In water treatment plant, use of chloramines ensures

Correct : C. disinfection

95. Which blood vessels have the smallest diameter?

Correct : A. Capillaries

96. Fermentation of milk to curd is due to

Correct : C. Lactobacillus

97. DOTS is a treatment given to patients suffering from –

Correct : D. Tuberculosis

98. Magnesium is a constituent metal of –

Correct : A. Chlorophyll molecule

99. Global warming is expected to result in

Correct : D. All of these

100. Silk wonns feed on –

Correct : D. Mulberry leaves