General Knowledge Questions

Q:

'Asian Drama ', by Gunnar Karl Myrdal, is a book on which of the following subjects

A) Theatre Movements in Asia B) Economics
C) International Politics D) Look East Policy of India
 
Answer & Explanation Answer: B) Economics

Explanation:
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Q:

Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted.

A) rough white B) rough black
C) shining white D) shining black
 
Answer & Explanation Answer: B) rough black

Explanation:

Black  surfaces are good emitters of heat ( They are also good absorbers of heat). If the black surface is rough too, the emitting will be better. So (b) is the correct answer. Shining surfaces reflect back radiation. So if the black surface is also shining the effectiveness of emitting heat is lessened.

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Q:

Who is known as father of  Biology

A) Aristotle B) Darwin
C) Lamark D) Linneus
 
Answer & Explanation Answer: A) Aristotle

Explanation:
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Q:

Who is the Vice Chairman of NITI Aayog?

A) Rajeev Shukla B) V.K. Paul
C) Rajiv Kumar D) Bibek Debroy
 
Answer & Explanation Answer: C) Rajiv Kumar

Explanation:

Indian Economist Rajiv Kumar is the Vice Chairman of NITI Aayog.

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Q:

What is the usual colour of Aircraft data recorder "Black box" ?

A) Black B) Orange
C) Blue D) Greeen
 
Answer & Explanation Answer: B) Orange

Explanation:
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Q:

Golden Temple of Amritsar is located in which country?

A) Bangladesh B) Pakistan
C) China D) India
 
Answer & Explanation Answer: D) India

Explanation:
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Q:

Which has the lowest albedo?

A) dark surfaces B) light surfaces
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) dark surfaces

Explanation:

Albedo refers to a material's ability to reflect sunlight. Since 30% of the sun's energy is reflected by the entire earth, the earth has an average albedo of 0.30.

Generally, dark surfaces have a low albedo and light surfaces have a high albedo.

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Q:

The average salinity of seawater is

A) 35% B) 3.5%
C) 3% D) 2.5%
 
Answer & Explanation Answer: B) 3.5%

Explanation:

Seawater or salt water is water from a sea or ocean.

On average, seawater in the world's oceans has a salinity of approximately 3.5% or 35 parts per thousand. This means that for every 1 litre (1000 mL) of seawater there are 35 grams of salts dissolved in it.

 

Hence, The average salinity of seawater is 3.5%.

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