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Q:

First man to go into space was

A) Roald Amundsen B) Reynalt Mayor
C) Robert Peary D) Major Yuri Gagarin
 
Answer & Explanation Answer: D) Major Yuri Gagarin

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Filed Under: General Science
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Q:

Indian Space Research Organisation (ISRO) and Jet Propulsion Laboratory (JPL) of NASA are working on world’s most expensive earth-imaging satellite to use dual frequency. Its name is ______

A) Cartosat B) NISAR
C) APM D) NIJAR
 
Answer & Explanation Answer: B) NISAR

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Filed Under: General Science
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Q:

Cultivation is difficult on red soil because

A) Its water holding capacity is less B) It is highly contaminated
C) Biological components do not mix with it D) It is red in colour
 
Answer & Explanation Answer: A) Its water holding capacity is less

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Filed Under: General Awareness
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Q:

In the gamma decay of a nucleus

A) the mass number of the nucleus changes whereas its atomic number does not change B) the mass number of the nucleus does not change whereas its atomic number changes
C) both the mass number and the atomic number of the nucleus change D) neither the mass number nor the atomic number of the nucleus changes
 
Answer & Explanation Answer: D) neither the mass number nor the atomic number of the nucleus changes

Explanation:

The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable)

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Filed Under: Physics
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Q:

What is the fundamental unit of amount of a substance?

A) Mole B) Candela
C) Kelvin D) Meter
 
Answer & Explanation Answer: A) Mole

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Filed Under: Physics
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Q:

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is same as that of earth and radius is half as that of earth is _________________.

 

A) 2g B) g/4
C) g/2 D) 4g
 
Answer & Explanation Answer: D) 4g

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Filed Under: Physics
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Q:

An Odometer is an instrument used to measure ____ in automobiles.

A) direction B) distance
C) odour D) speed
 
Answer & Explanation Answer: B) distance

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Filed Under: Physics
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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

 

He said to me, “I have often told you not to play in dark.”

 

A) He said to him that he shouldn’t play in dark. B) He reminded me that he had often told me not to play in dark.
C) He asked him to not play in dark. D) He asked me that he had told me to not play in dark.
 
Answer & Explanation Answer: B) He reminded me that he had often told me not to play in dark.

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Filed Under: English
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