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General Science - Questions and Answers

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161. Entomology deals with the study of
A. minerals
B. fossils
C. insects
D. birds
Explanation:
162. A fresh egg sinks in pure water whereas it floats in saturated salty water. This is because
A. of higher density of pure water
B. of higher density of salty water
C. egg shell is made of calcium which is heavier than pure water.
D. the fluid matter inside the egg has the same density as the salty water.
Explanation:
163. Scientist associated with the success of Green Revolution is
A. Norman Borlaug
B. J.C. Bose
C. S.S. Bhatnagar
D. V.R. Rao
Explanation:
164. Television signals cannot be received ordinarily beyond a particular distance due to
A. weak antenna
B. weakness of signals
C. absorption of signals in the air
D. curvature of the earth
Explanation:
165. Blood grouping was discovered by
A. William Harvey
B. Landsteiner
C. Robert Koch
D. Louis Pasteur
Explanation:
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