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General Science - Questions and Answers

Practice questions on General Science.

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96. Clothes keep is warm in winter because they
A. supply heat
B. do not radiate heat
C. prevent air to enter
D. prevent the heat of the body from escaping
Explanation:
97. The oral polio vaccine was discovered by
A. Louis Pasteur
B. Robert Koch
C. Jonas Salk
D. Alexander Flemming
Explanation:
98. Cooking gas cylinders placed on the top floor cause more fire hazard on leakage to the lower floors because LPG (Liquified Petroleum Gas) is
A. lighter than air
B. heavier than air
C. carried away by the blasted pieces
D. attracted by the flame
Explanation:
99. Which is used as a magnifying glass ?
A. Plane mirror
B. Concave mirror
C. Converging lens
D. Diverging lens
Explanation:
100. The mass-energy relation is the outcome of
A. Quantum theory
B. General theory of relativity
C. Field theory of energy
D. Special theory of relativity
Explanation:
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