General Science Questions

Q:

By which process the Chinese Scientists have cloned two identical long - tailed macaques?

A) Polymerase chain reaction B) Parthenogenesis
C) Somatic cell nuclear transfer D) Embryonic cell nuclear transfer
 
Answer & Explanation Answer: C) Somatic cell nuclear transfer

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Q:

Venus is the _______ planet from the Sun.

A) 2nd B) 4th
C) 6th D) 8th
 
Answer & Explanation Answer: A) 2nd

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Q:

Chlorophyll was first isolated and named by

A) Caventou B) Pelletier
C) Chlorophyll D) Caventou and Pelletier
 
Answer & Explanation Answer: D) Caventou and Pelletier

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Q:

Which of the following three R's are regarded as environment friendly?

A) Reduce – Reuse – Recycle B) Reduce – Reuse – Reutilize
C) Recollect – Reuse – Reutilize D) Reduce – Renew – Reutilize
 
Answer & Explanation Answer: A) Reduce – Reuse – Recycle

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Q:

The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?

A) Mulching B) Mulching
C) Rock dam D) Terrace farming
 
Answer & Explanation Answer: B) Mulching

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Q:

How many days moon takes to revolve around the earth?

A) 26.3 B) 27.3
C) 28.3 D) 29.2
 
Answer & Explanation Answer: B) 27.3

Explanation:

The Moon takes about 27.3 days to perform one complete orbit around the Earth.

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Q:

Which among the following is the major cause of acid rain?

A) Carbon dioxide B) Carbon monoxide
C) Nitrogen dioxide D) Oxygen
 
Answer & Explanation Answer: C) Nitrogen dioxide

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Q:

Particulates (< 1 μm size) remaining suspended in air indefinitely and transported by wind currents are called

A) Mists B) Fumes
C) Aerosols D) Smoke
 
Answer & Explanation Answer: C) Aerosols

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