Questions

Q:

Who is the author of the Book 'Social Exclusion and Justice in India'?

A) Rakesh Kumar B) Arun Singh
C) M. Venkaiah Naidu D) P.S. Krishnan
 
Answer & Explanation Answer: D) P.S. Krishnan

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Filed Under: Books and Authors
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Q:

Ozone hole refers to

A) Decrease in the thickness of ozone layer in Stratosphere B) Increase in thickness of ozone layer
C) Decrease in the ozone layer in Troposphere D) Hole in the ozone layer
 
Answer & Explanation Answer: A) Decrease in the thickness of ozone layer in Stratosphere

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Filed Under: Chemistry
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Q:

The main cause of floods in the rivers is

A) Heavy snow fall at the mountain B) Earthquakes
C) Deforestation D) Construction of dams
 
Answer & Explanation Answer: A) Heavy snow fall at the mountain

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Filed Under: Indian Geography

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Q:

A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is 

A) greater than the weight of the man B) less than the weight of the man
C) Same as the weight of the man D) Zero
 
Answer & Explanation Answer: A) greater than the weight of the man

Explanation:

The weight of the man mg is acting on the floor. As the lift is moving up with an acceleration, say a, the man too in it is having this acceleration. The force producing this acceleration is ma. By Newton's third law, this force will have an equal reaction pressing the floor equal to ma. Therefore the total resultant reaction on the floor is mg+ma = m(g+a) which is mg, the weight of the man. So (a) is correct.

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Filed Under: Physics

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Q:

Which country successfully launched the first high-throughput communication satellite "Shijian-13" which will enable passengers of high-speed trains to watch high-definition videos smoothly and help those at the scene of natural disasters ?

A) Japan B) China
C) Singapore D) Indonesia
 
Answer & Explanation Answer: B) China

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Filed Under: General Awareness
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Q:

Which one of the following laws explain the formation of carbon monoxide and carbon dioxide from carbon and oxygen.......

A) Law of conservation of mass B) Law of multiple proportion
C) Law of reciprocal proportions D) Law of definite proportions
 
Answer & Explanation Answer: B) Law of multiple proportion

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Q:

The Famous personality best known for the instrument Tabla  ?

A) Bundu Khan B) Zakir Hussain
C) P. Mani Iyer D) Ravi Sankar
 
Answer & Explanation Answer: B) Zakir Hussain

Explanation:

Zakir Hussain is best known for the instrument Tabla.

Bundu Khan is known for Sarangi

P. Mani Iyer is known for Mridangam

Ravi Sankar is known for Sitar

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Filed Under: Famous Personalities
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Q:

March 21 is observed as.......

A) World Environment Day B) World Forestry Day
C) World Greenary Day D) None of these
 
Answer & Explanation Answer: B) World Forestry Day

Explanation:
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