General Science Questions

Q:

Which of the following gases emitted from automobile exhaust is poisonous?

A) Carbon monoxide B) Carbon dioxide
C) Hydrocarbons D) Sulphur dioxide
 
Answer & Explanation Answer: A) Carbon monoxide

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Q:

What is called the minimum distance from the Sun in a planet in its orbit?

A) perihelion B) aphelion
C) Apogee D) Perigee
 
Answer & Explanation Answer: A) perihelion

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Q:

Azolla increases soil fertility for ....

A) maize cultivation B) wheat cultivation
C) barley cultivation D) rice cultivation
 
Answer & Explanation Answer: D) rice cultivation

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Q:

The elemental composition of an adult human body by mass is

A) C > O > H > N B) O >C >H > O
C) N > C > O > H D) None
 
Answer & Explanation Answer: B) O >C >H > O

Explanation:
O= 65%
C= 18%
H= 9.5%
N= 3.2%
Ca= 1.5%
Ph=1.2%
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Q:

Which of the following is the most important raw material for generation of power in India?

A) Mineral Oil B) Natural Gas
C) Uranium D) Coa
 
Answer & Explanation Answer: D) Coa

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Q:

Among the given nutrients, milk is a poor source of which of the following ?

A) Vitamin 'C' B) Calcium
C) Protein D) Carbohydrate
 
Answer & Explanation Answer: A) Vitamin 'C'

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Q:

In December 2015, NASA's Curiosity Mars rover found the presence of ____, which will help scientists learn about the ancient wet environment.

A) Magnesium B) Cadmium
C) Silica D) Calcium
 
Answer & Explanation Answer: C) Silica

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Q:

In which industry Potassium Nitrate is used commercially?

A) Glass Manufacturing B) Electroplating
C) Fire Cracker Manufacturing D) Leather Industry
 
Answer & Explanation Answer: C) Fire Cracker Manufacturing

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