General Science Questions

Q:

Which of the following is used in pencils?

A) Silicon B) Phosphorous
C) Graphite D) Charcoal
 
Answer & Explanation Answer: C) Graphite

Explanation:

A pencil is an implement for writing or drawing. It is a thin core of graphite well mixed with clay, inside a wooden body as protective casing that prevents the core from being broken.

Which_of_the_following_is_used_in_pencils1558506948.jpg image

 

 

 

 

 

 

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Q:

Whose science is Seismography?

 

A) Rivers B) Earthquake
C) Mountain D) Volcano
 
Answer & Explanation Answer: B) Earthquake

Explanation:
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Q:

The source of energy of the sun is

 

A) Nuclear fusion B) Photoelectric effect
C) Nuclear fission D) Chemical reaction
 
Answer & Explanation Answer: A) Nuclear fusion

Explanation:

The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.

 

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Q:

Underground water and the water on the earth's surface is called ________________

 

A) hydrosphere B) biosphere
C) lithosphere D) thermosphere
 
Answer & Explanation Answer: A) hydrosphere

Explanation:
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Q:

Which one of the following industries is the biggest consumer of water in India?

 

A) Engineering B) Paper and pulp
C) Taxtiles D) Thermal power
 
Answer & Explanation Answer: D) Thermal power

Explanation:
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Q:

The weight of an object will be minimum when it is placed at  ?

A) The North Pole B) The South Pole
C) The Equator D) The center of the Earth
 
Answer & Explanation Answer: D) The center of the Earth

Explanation:

The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.

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Q:

"Eco Mark" is given to the Indian Products that are ___________.

 

A) pure and unadulterated   B) rich in proteins
C) environment friendly D) economically viable  
 
Answer & Explanation Answer: C) environment friendly

Explanation:
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Q:

The boundaries of the plates of the earth's ___________ are the weak zones known as seismic or fault zones.

 

A) crust   B) core
C) kernel D) pith
 
Answer & Explanation Answer: A) crust  

Explanation:
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