Quiznetik

Biology (GK) | Set 7

1. Which part of the nervous system controls the activities of internal organs?

Correct : D. Medulla Oblongata

2. The antibiotic Ampicillin is -

Correct : B. obtained from a bacterium

3. Which among the following blood protein regulates the amount of water in plasma?

Correct : B. Albumin

4. How many valves does a human heart have?

Correct : A. Four

5. The cells which are responsible for the production of antibodies are –

Correct : C. lymphocytes

6. Which of the following branches deals with the interactions of same species of living organisms with their nonliving environment?

Correct : C. Ecology

7. Which of the following organelles is called 'Atom bombs'?

Correct : D. Lysosome

8. Which of the following causes poliomyelitis?

Correct : B. Entero Virus

9. Which one of the following animals is sanguinivorous?

Correct : B. Mosquito

10. Functional unit of 'Kidney' –

Correct : C. Nephron

11. An invertebrate does not have –

Correct : A. Notochord

12. Which of the following weeds has been found useful to check water pollution caused by industrial effluents?

Correct : D. Both (1) and (2)

13. All are protozoan diseases except –

Correct : A. Elephantiasis

14. Transfer of genetic information from one generation to the next generation is by -

Correct : C. DNA

15. An eardrum is absent in –

Correct : A. snakes

16. Animals adapted to life in air are called :

Correct : B. arboreal

17. Plants used for the production of biofuel are:

Correct : B. Jatropa curcus

18. , found in blood, is responsible for oxygen transportation.

Correct : C. RBC

19. Which one of the following is the ideal food for newborn babies?

Correct : D. Milk

20. Transcription means the synthesis of –

Correct : C. DNA

21. Approximate life span of parrot is –

Correct : A. 20 years

22. Tendons and ligaments are –

Correct : A. Connective tissue

23. A plant with 30 cm or more circumference from human chest height is identified as -

Correct : C. Medicinal herbs

24. The skin biting mosquito has legs as locomotory organ which are –

Correct : B. Three pairs

25. Hydrochloric acid is secreted by the cells lining the –

Correct : B. Stomach

26. Emulsification is -

Correct : A. breaking fats into small globules

27. Which of the following is also known as the Biochemical Laboratory of the Human Body?

Correct : D. Liver

28. With which of the following body organ is 'pace-maker' associated?

Correct : C. Heart

29. The smallest size of a cell that can be seen with naked eye is:

Correct : C. 100 micron

30. Cosmetic powder is prepared from –

Correct : B. Talc

31. Rutherford's scattering experiment proved the presence of –

Correct : D. nucleus in atoms

32. Which of the following does not cause pollution?

Correct : B. Use of solar energy

33. Excess amount of absorbed water by plants is liberated out by –

Correct : D. Transpiration

34. The life span of RBC of man is -

Correct : B. 150 days

35. The communication between the central nervous system and the other parts of the body is facilitated by -

Correct : A. Peripheral Nervous System

36. Which of the following disease is not affected by bacteria?

Correct : C. Rubella

37. From the bark of which plant is quinine extracted?

Correct : B. Cinchona

38. Hypertension is the term used for –

Correct : D. increase in blood pressure

39. The source of the enzyme, diastase is –

Correct : A. salivary gland

40. Mycoplasma is associated with a disease that affects the organs of -

Correct : A. respiration

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

Correct : B. Haemophilia

42. In how many parts is the human brain divided?

Correct : B. 3

43. The total number of bones in the body of an adult human is             .

Correct : B. 206

44. The floral part that produces pollen grains is

Correct : C. Anther

45. Which of these fruits develop from an inflorescence?

Correct : C. Pineapple

46. When day light hours are increased, the rate of photosynthesis:

Correct : C. Remains same

47. Which of the following is a biodegradable waste?

Correct : A. Wool

48. Persons who are colour-blind cannot distinguish between –

Correct : C. red and green

49. The acid present in gastric juice is –

Correct : A. Hydrochloric

50. Housefly spreads –

Correct : D. Typhoid

51. 'Lockjaw' is the last phase of which of the following diseases?

Correct : D. Tetanus

52. Mendel's principles of inheritance are based on –

Correct : C. Sexual reproduction

53. Viruses are made up of –

Correct : B. Nucleic and protein

54. Which one of the following pairs is correctly matched?

Correct : C. Malaria — Chloroquin

55. A person having AB-group of blood can donate blood to a person having -

Correct : C. AB-group

56. The contractile proteins in a muscle are

Correct : A. Actin and Myosin

57. Acute lead poisoning is also known as

Correct : B. Plumbism

58. The main thinking part of the brain is the             .

Correct : B. Fore brain

59. Consider the following and select the right option.

Correct : C. Both are right

60. Which organ is the alternate term for womb?

Correct : A. Uterus

61. In onion the edible part is –

Correct : A. Leaf

62. What is a sponge?

Correct : C. an animal

63. Types of vertebrate animals which creep and crawl are called –

Correct : D. reptilians

64. The deficiency of Vitamin A causes –

Correct : B. Night blindness

65. Which drug is used to cure Osteoporosis?

Correct : A. Risedronate

66. Which of the following is an anti oxidant?

Correct : A. Vitamin-C

67. The red, orange and yellow colours of leaf is due to –

Correct : D. Carotenold

68. Estrogen and progesterone control and stimulate the growth of –

Correct : C. mammary gland

69. Taxonomy is a science that deals with

Correct : C. Classification

70. The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is

Correct : C. chitin

71. A molecule in plants comparable to haemoglobin in animals is –

Correct : C. Chlorophyll

72. An Antigen is –

Correct : C. the stimulus for Antibody formation

73. Blood does not coagulate inside the body due to the presence of –

Correct : C. Heparin

74. Leech is an ectoparasite on cattle, which is –

Correct : D. Herbivorous

75. Blood pressure may be increased by the excessive secretion of

Correct : A. Thyroxine

76. The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of

Correct : B. Sneezing

77. Which of the following organelles are called the Protein Factories of the cell?

Correct : D. Ribosomes

78. Which of the following structures present in mammalian skin directly helps in keeping the body warm?

Correct : B. Sweat glands

79. Crude oil is sometimes termed sweet because it is –

Correct : B. mildly sweet due to low sulphur content

80. Master copy of genetic information is

Correct : A. DNA

81. In coriander, the useful parts are –

Correct : C. leaves & dried fruits

82. Which of the following enzymes aids in coagulation of blood?

Correct : C. Rennin

83. Bio - diesel is mostly produced by –

Correct : D. Euphorbiaceae

84. Mushroom cultivation is not useful in –

Correct : B. Biological control of crop diseases

85. The Drone in honey-bee are –

Correct : A. Fertile male

86. Blood clotting will not occur in the absence of -

Correct : B. Calcium

87. 'Antibodies', which protect our body from infections, are which type of compounds?

Correct : C. Proteins

88. Which one of the following is called the 'digestive bag' in the cell?

Correct : D. Lysosome

89. Osteocytes are found in –

Correct : A. Bone

90. Which of the following is known as the graveyard of RBC?

Correct : B. Spleen

91. The largest mixed gland of human body is

Correct : C. Pancreas

92. Which acid is present in the stomach of humans?

Correct : B. hydrochloric acid

93. Study of Crop production is –

Correct : D. Agronomy

94. Reflex actions are controlled by –

Correct : B. the Spinal Chord

95. The floral part that receives pollen grains during pollination is -

Correct : C. stigma

96. A warm-blooded animal is –

Correct : C. Bat

97. Which of the following is the hardest substance in the human body?

Correct : B. Enamel

98. Which of the following is a coldblooded animal?

Correct : B. Tortoise

99. The membrane covering the lungs is a –

Correct : A. pleura

100. Ascent of sap in plants takes place through –

Correct : D. Xylem