General Science Questions

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:

Which of the following fuels causes minimum environmental pollution?

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

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Q:

Which among the following is not an inner planet?

A) Mercury B) Saturn
C) Venus D) Earth
 
Answer & Explanation Answer: B) Saturn

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Q:

The largest dolphin species is the orca, also called as ________.

A) Bottle Nose B) Baiji
C) Killer whale D) Tucuxi
 
Answer & Explanation Answer: C) Killer whale

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Q:

The _________ keeps the average temperature of the Earth fairly steady.

A) biosphere B) heliosphere
C) atmosphere D) photosphere
 
Answer & Explanation Answer: C) atmosphere

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Q:

__________ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

A) Natality B) Mortality
C) Immigration D) Emigration
 
Answer & Explanation Answer: D) Emigration

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Q:

Land covers about ______ of the earth's surface.

A) 20% B) 30%
C) 35% D) 40%
 
Answer & Explanation Answer: B) 30%

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Q:

Which of the following metals is stored in kerosene oil?

A) Copper B) Sodium
C) Platinum D) Gold
 
Answer & Explanation Answer: B) Sodium

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