everyday science MCQs – Page 4

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
61. Who is considered the founder of meteorology?
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A. Plato

B. Aristotle

C. Newton

D. Einstein

62. Medulla oblongata is a part of human ___________?
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A. Sex organ

B. Liver

C. Brain

D. Heart

63. 1 light year = ?
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A. 9.510<sup>6</sup> km

B. 9.510<sup>9</sup> km

C. 9.510<sup>18</sup> km

D. 9.51012 km
64. Clocks, which moves with the velocities comparable with the velocity of light, run ?
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A. slow

B. fast

C. equal to the velocity of light

D. with zero velocity

65. The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
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A. 1120 ft

B. 56 ft

C. 120 ft

D. None of these

E. 100 ft

66. The instrument used to measure wind speed is?
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A. Barometer

B. Hydrometer

C. Hygrometer

D. Anemometer
67. The good sources of Vitamin-A are?
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A. green leafy vegetables

B. sea foods

C. fresh vegetables and fruits

D. seeds

68. The temperature of the dead body is_______________?
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A. 37

B. Room Temperature

C. None of these

D. 0 C

E. Temperature of the place where it is kept
69. T.V. transmission cannot cover a very large area because
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A. the shape of the earth is spherical

B. picture cannot be transmitted clearly after a specific distance

C. the strength of T.V. waves is very limited

D. the air is not a good conductor of light and sound/waves

70. Detergents dissolved in water help in cleaning clothes by_________?
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A. Reacting chemically with dirt

B. Increasing the temperature of water

C. Reducing the surface tension of water

D. Dissolving dirt

71. The cows milk contains how much amount of water in terms of percentage?
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A. 60%

B. 72%

C. 65%

D. 80%
72. How many bones are there in a newly born infant?
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A. 230

B. 280

C. 300

D. 206

73. What is the chance of diabetic baby born to parents both heterogeneous normal ?
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B.

C. Zero

D. None of these

74. Which of the following layers make radio transmission possible?
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A. Stratosphere

B. Troposphere

C. Ionosphere

D. Mesosphere

E. None of these

75. Einsteins famous equation which states that mass and energy are interchangeable is?
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A. E = mc2

B. M = ce<sup>2</sup>

C. E = cm<sup>2</sup>

D. M = ec<sup>2</sup>

76. Short-sightedness can be corrected by using ___________?
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A. Concave-convex lens

B. Convex-concave lens

C. Concave lens

D. Convex lens

77. The planets visible to us without using a telescope are __________?
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A. 6

B. 5

C. 4

D. 3

78. What is the main component of bones and teeth?
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A. Calcium nitrate

B. Calcium phosphate

C. Calcium carbonate

D. Calcium sulphate

79. The gas used in a refrigerator to cool water is___________?
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A. Methane

B. Tetrafluoroethane

C. Carbon dioxide

D. Nitrogen

80. Wind energy is the __________ energy.
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A. Transverse

B. Kinetic

C. Potential

D. Mechanical