EVERYDAY SCIENCE : BIOLOGY -NO.

1
Time: 30 minutes Marks: 100

1. Green plants carry on respiration

A. only during the day B. only when photosynthesis is going on
C. only at night D. during both day and night

2. Two elements needed for the production of chlorophyll are

A. Calcium and potassium B. magnesium and iron
C. phosphorus and sulphur D. chlorine and copper

3. During respiration green plants take in

A. water B. oxygen C. oxygen and water D. carbon dioxide

4. Speed and accuracy are the main advantages of developing

A. instincts B. tropisms C. simple reflexes D. habits

5. In the dark a green plant excretes

A. oxygen B. carbon dioxide C. hydrogen D. None of the
above

6. The normal temperature of the body is

A. 96.7°F B. 97.8°F C. 98.6°F D. 97.6°F

7. The Wassermann test is used to determine whether a person has contracted

A. tuberculosis B. diphtheria C. poliomyelitis D. syphilis

8. Blood in the pulmonary artery

A. lacks carbon dioxide B. contains nitrogen C. lacks oxygen D.
contains all three gases

9. The thyroid gland

A. is known as the gland of emergency B. controls the production of ACTH
C. stimulates the liver to store glycogen D. regulates the rate of metabolism

10. An example of a habit forming narcotic is

A. heroin B. quinine C. penicillin D. cortisone

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11. The light sensitive zone at the rear of the eye is called
A. Cornea B. Retina C. Eyeball D. None of the
above

12. If nerves to the heart are severed, the heart will

A. beat regularly B. cease functioning C. beat faster D. beat erratically

13. A plant growth substance produced by a fungus is

A. molybdenum B. auxon C. auxin D. gibberellin

14. Blood is transported to the kidney from the dorsal aorta by the
A. renal vein B. renal artery C. glomerulus D. arterioles

15. A gland known as the gland of emergency is the

A. adrenal B. thyroid C. pituitary D. parathyroid

16. Which reagent should be used in the urine test for diabetes?
A. Ammonia B. Nitric acid C. Benedict’s solution D. Iodine

17. The lungs are enclosed in a set of double membrane known as

A. peritoneum B. pleural sac C. pericardium D. periosteum

18. Urea is removed form the blood by the

A. kidneys B. lungs C. large intestine D. spleen

19. Leukaemia is a type of cancer in which there is an abnormal increase in the number of
A. red blood cells B. white blood cells C. bone cells D. platelets

20. Soil erosion is caused by

A. terracing B. rotation of crops C. overgrazing D. contour ploughing

21. The adrenal gland is located next to the

A. brain B. kidney C. neck D. bladder

22. Deficiency of proteins in the human body can lead to

A. anaemia B. night blindness C. scurvy D. None of these

23. Penicillin was discovered by

A. Alexander Fleming B. Robert Koch
C. Selman Waksman D. Paul Ehlrich

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24. Cancer may be cured by all of the following methods except
A. Immunisation B. Surgery C. Radium treatment D. X-ray treatment

25. A useful cover crop is

A. Rice B. Wheat C. Corn D. Bermuda grass

26. A disease that may be inherited is

A. pellagra B. trichinosis C. malaria D. hemophilia

27. Which nutrient is not able to provide energy for cell use?
A. Carbohydrates B. Water C. Fats D. Proteins

28. The type of cell in which an axon is contained is

A. bone B. dermis C. neuron D. epidermis

29. There is no pure race in the human species today because of

A. mutation B. inbreeding C. isolation D. cross-breeding

30. The mammal embryo develops in the

A. ovary B. umbilical cord C. placenta D. uterus

31. Which organ is not related to the function of excretion?

A.sweat gland B. kidney C. salivary gland D. lung

32. All of the following reproduce by asexual reproduction except

A. horse B. hydra C. paramecium D. geranium

33. A cactus is an example of a

A. saprophyte B. mesophyte C. xerophyte D. hydrophyte

34. If the cerebellum of a pigeon were destroyed, the bird would not be able to
A. oxidise food B. breathe C. fly D. digest food

35. The substance which forms a blood clot is present in the circulating blood in the form of
A. fibrinogen B. fibrin C. thrombin D. thrombokinase

36. The normal internal temperature of the human body

A. is always the same B. usually decreases during daylight hours
C. varies within narrow limits D. varies in a range of 6°C (11°F)

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37. Vegetative propagation is a form of
A. sexual reproduction B. asexual reproduction
C. fertilisation D. conjugation

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

A. Adrenal B. Pancreas C. Thyroid D. Pituitary

39. The formation of blood cells is known as

A. haemopoiesis B. haemogenesis C. haematoma D. hematology

40. The changing of nutrients into protoplasm is known as

A. Assimilation B. Digestion C. Absorption D. Oxidation

41. The outer layer of skin is called

A. Ectoderm B. Endoderm C. Epidermis D. Dermis

42. If a cell is reduced in size when placed in the solution, the solution is called
A. saturated B. weak C. hypotonic D. hypertonic

43. Hereditary characters were named ‘genes’ by

A. George Mendel B. Johanssen C. Morgan D. Watson

44. The nerve centre for sight is located in the

A. spinal cord B. cerebrum C. medula D. cerebellum

45. Coronary heart disease is most often found in persons suffering from
A. high blood pressure B. anaemia
C. low blood pressure D. hemophilia

46. The left atrium of the human heart receives

A. blood from the venacava B. oxygenated blood
C. blood from the left ventricle D. deoxygenated blood

47. Universal blood donors have blood type

A. A B. B C. O D. AB

48. A toxin is a substance that

A. is produced by all the body cells B. kills bacteria
C. is produced by white corpuscles D. is produced by bacteria

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49. As a person becomes older, his blood pressure generally
A. increases B. remains the same C. varies widely D. decreases

50. The study of living things in relation to each other and their environment is known as
A. Endocrinology B. Conservation C. Eugenics D. Ecology

51. Most important discovery in the field of biology in the present century is of
A. viruses B. genes C. sulpha drugs D. antibiotics

52. Genetic material in the cell is

A. DNA B. RNA
C. Neither DNA nor RNA D. both DNA and RNA

53. Tea is a good stimulant due to the presence of

A. nicotine B. caffeine C. morphine D. ephidrine

54. The pituitary gland is located in the

A. neck B. pancreas C. head D. abdomen

55. An average adult has a blood volume of some

A. 3-4 litres B. 4-5 litres C. 5-6 litres D. 6-7 litres

56. Who are more likely to get tapeworm infection?

A. Non-vegetariansB. Adults C. Children D. Vegetarians

57. Green plants are the basis of life of

A. omnivorous animals B. herbivorous animals
C. carnivorous animals D. All of the above

58. The inner layer of skin is called the

A. Dermis B. Cuticle C. Epidermis D. Papillae

59. A disease in which blood does not clot readily is

A. Haemophilia B. Anoxia C. Hydrophobia D. Anaemia

60. The body is like an internal combustion machine in that it

A. releases blood in chemical reactions B. digests food
C. exhales carbon dioxide D. enables us to do work

61. Nodules with nitrogen fixing bacteria are present in

A. gram B. maize C. wheat D. mustard
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62. Largest flower in the world is that of
A. rafflesia B. lotus C. sunflower D. cactus

63. Science has been able to prove that there are inborn racial differences of
A. skin colour B. intelligence C. musical ability D. athletic skill

64. Insulin controls the metabolism of

A. proteins B. hormones C. carbohydrates D. fats

65. Substances usually present in largest amount in ordinary food are

A. carbhydrates and proteins B. proteins and minerals
C. carbohydrates and vitamins D. minerals and vitamins

66. Which of the following is not fruit?

A. Potato B. Cucumber C. Tomato D. Pumpkin

67. According to a hypothesis, the first living organisms obtained energy directly from
A. organic molecules in the ocean B. the sun
C. oxygen in the atmosphere D. carbon dioxide and water

68. The part of earth and its atmosphere which is inhabited by living beings is known as
A. Ecosphere B. Hydrosphere C. Biosphere D. Atmosphere

69. The process of double fertilisation was discovered by

A. J.C.Bose B. Leeuwenhock C. Hofmeister D. Nawaschin

70. In transfusions, the blood must be compatible not only in blood type but also in
A. Rh factor B. number of red cells
C. number of white cells D. race of donor and recipient

71. An electrocardiogram is used to detect malfunctioning of the

A. circulatory system B. nervous system
C. respiratory system D. digestive system

72. Which of the following is most likely to be used for exercise of certain musceles
A. laryngoscope B. stereoscope C. kaleidoscope D. cryoscope

73. Much of the credit for developing the compound microscope is given to
A. Needham B. Harvey C. Van Leeuwenhoek D. Redi

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B. an artery C. a vein D. nerves

75. Plankton is composed of

A. fish B. sharks C. whales D. microscopic life

76. The greatest number and widest variety of plants and animals would be found in
A. steppes B. tropical rain forests C. Tundras D. deserts

77. Phosphorus deficiency hinders

A. cell division B. cambial activity and reduction of nitrates
C. normal growth D. chlorophyll formation

78. Which substance received widespread attention in investigations concerning diseases of

the heart and blood vessels?
A. Protein B. Lipase C. Glycerol D. Cholesterol

79. Calcium metabolism is controlled chiefly by the

A. thyroid glands B. adrenal glands C. parathyroid glands D. thymus glands

80. Which plant has the smallest flower

A. Wolfia B. Delonix C. Rosa D. Raffesia

81. Insectivorous plants grow in the soil which is deficient in

A. phosphorus B. nitrogen C. water D. calcium

82. The transfer of materials between organisms and the environment is known as a
A. synthesis B. free gas C. niche D. cycle

83. Motive force of growth is

A. Osmotic pressure B. Imbition pressure C. Turgor pressure
D. All of these

84. Response of a plant to the relative lengths of light and dark periods is known as
A. Epinasty B. Vernalisation C. Photopenodis D. Hyponasty

85. The food in onion is stored in the form of

A. sugar B. cellulose C. glucose D. starch

86. Which hormone is often used to stimulate the heart?

A. Secretin B. Auxin C. Insulin D. Adrenalin

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87. Olive trees grow in
A. mediterranean type regions B. temperate type regions
C. equatorial type regions D. tropical type regions

88. Physiology is mainly concerned with

A. activity of the body B. diseases of the body
C. growth of the body D. structure of the body

89. Coronary thrombosis refers to a blood clot in the circulatory system of the
A. abdomen B. kidneys C. heart D. head

90. Which of the following pests is attached to wheat?

A. Bruches spy B. Pthorimia opercellella
C. Bryobia practiosa D. None of these

91. Which of the following elements do proteins, fats, and carbohydrates have in common?
A. Sodium B. Carbon C. Nitrogen D. Sulphur

92. Aquarium is
A. a health resort or hospital for convalescents
B. a container, either a pond or some form of tank, in which fish, reptiles and plants are kept
C. a machine showing motions and orbits of the planets D. None of these

93. Which disease is caused by a bacterial genus in the milk?

A. Cholera B. Diphtheria C. Analgesia D. Typhoid

94. Anthropology is a term which applies to

A. the study of birds B. the study of birds
C. the science of man in relation to his life, society and environment
D. None of the above

95. The ductless glands secrete

A. hormones B. enzymes C. juice D. proteins

96. Camels have greater adaptability to long periods of drought in hot deserts than other
animals because
A. They have a large hump where they can store water

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 B. Camaels can drink very fast, as much as 1/3 of their body weight
C. Their thick fur insulates their bodies against high external temperatures and reduces
water loss
D. Camels have a large rumen

97. Night soil when fresh contains about –––––% of nitrogen.

A. 0.3-0.4 B. 0.4-0.5 C. 0.5-0.6 D. 1.0-1.6

98. Which of the following are affected by AIDS?

1. Blood circulatory system 2. Immune system
3. Respiratory system 4. Nervous system
A. 1, 2 and 3 B. 1, 3 and 4 C. 2, 3 and 4 D. 1, 2 and 4

99. Night soil when dry contains about ––––% of nitrogen.

A. 1-2 B. 2-3 C. 3-4 D. 4-5

100. Which of the following organisms cause cholera?

A. Protozoa B. Virus C. Bacillus D. Cocci

ANSWERS
1. D 2. B 3. B 4. D 5. B 6. C 7. D 8. C
9. D 10. A 11. B 12. A 13. D 14. B 15. A 16. C
17. B 18. A 19. B 20. C 21. B 22. A 23. A 24. A
25. D 26. D 27. B 28. C 29. D 30. D 31. C 32. A
33. C 34. C 35. A 36. C 37. B 38. B 39. A 40. A
41. C 42. B 43. B 44. B 45. A 46. A 47. C 48. D
49. A 50. D 51. B 52. A 53. B 54. C 55. C 56. A
57. D 58. A 59. A 60. D 61. A 62. A 63. A 64. C
65. A 66. A 67. A 68. C 69. D 70. A 71. A 72. B
73. C 74. B 75. D 76. B 77. B 78. D 79. C 80. A
81. B 82. D 83. C 84. C 85. B 86. D 87. E 88. A
89. C 90. C 91. C 92. B 93. B 94. C 95. A 96. C
97. D 98. A 99. B 100. C

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