349
Q:

The blue colour of the clear sky is due to

A) Diffraction of light B) Dispersion of light
C) Reflection of light D) Refraction of light

Answer:   B) Dispersion of light



Explanation:

A clear cloudless day-time sky is blue because molecules in the air dissipate blue light from the sun more than they dissipate red light. When we look towards the sun at sunset, we see red and orange hues on the grounds because the blue light has been scattered out and away from the line of sight.

Subject: General Science
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Q:

A ________________ is known by different names in different parts of the world. It is called a ‘hurricane’ in North America.

A) funnel B) whirlpool
C) cyclone D) twister
 
Answer & Explanation Answer: C) cyclone

Explanation:
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Q:

The major ingredient of leather is

A) Collagen B) Carbohydrate
C) Nucleic acid D) Polymer
 
Answer & Explanation Answer: A) Collagen

Explanation:

Leather is a durable and flexible material created by tanning animal rawhide and skins. The major ingredient of leather is Collagen.

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2 33
Q:

The process of electric discharge between clouds and the earth or between different clouds causes _____________.

A) thunderstorm B) cyclone
C) lightning D) winds
 
Answer & Explanation Answer: C) lightning

Explanation:
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1 38
Q:

"Personology" refers to _____.

A) the study of healthy, well-adjusted individuals B) the study of how individuals operate within groups
C) an old, outdated term for personality psychology D) the study of the whole person
 
Answer & Explanation Answer: D) the study of the whole person

Explanation:
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1 59
Q:

 The Government of India has approved year 2018 as National year of which nutrient rich crop to boost its production?

 

A) Millet   B) Wheat
C) Rice D) Maize
 
Answer & Explanation Answer: A) Millet  

Explanation:
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2 34
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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1 50
Q:

Thunder Cloud happens in which layer of the atmosphere?

A) Ionoshpere B) Ozonosphere
C) Troposphere D) Stratosphere
 
Answer & Explanation Answer: C) Troposphere

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1 97
Q:

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

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

Explanation:
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