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 General Science Questions

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Q:

What is the meaning of an ECOTONE?

A) ECOTONE is where two biomes meet B) It's an area with low survival for species
C) An area with limited Flora and Fauna D) An area with high biomass production
 
Answer & Explanation Answer: A) ECOTONE is where two biomes meet

Explanation:

An ecotone is a transition area between two biological communities, where two communities meet and integrate.

 

 

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Q:

Which of the following processes is responsible for causing rain?

A) Filtration B) Evaporation and Condensation
C) Evaporation D) Condensation
 
Answer & Explanation Answer: B) Evaporation and Condensation

Explanation:
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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:

Which of the following is the most abundant metal on Earth's crust?

A) Magnesium B) Iron
C) Copper D) Aluminium
 
Answer & Explanation Answer: D) Aluminium

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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:

Polio is a disease caused by which of the following?

A) Bacteria B) Mosquito
C) Virus D) Cockroach
 
Answer & Explanation Answer: C) Virus

Explanation:
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Q:

Living things constitute the biotic component of the ___________________.

A) mesosphere B) biosphere
C) thermosphere D) heliosphere
 
Answer & Explanation Answer: B) biosphere

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Q:

Which of the following fuels causes minimum environmental pollution?

A) Diesel B) Kerosene
C) Hydrogen D) Coal
 
Answer & Explanation Answer: C) Hydrogen

Explanation:
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