Questions

Q:

Rate of work done is _______.

A) Energy B) Power
C) Momentum D) Impulse
 
Answer & Explanation Answer: B) Power

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Q:

The work done by centripetal force is ______.

A) positive B) zero
C) negative D) unity
 
Answer & Explanation Answer: B) zero

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Q:

Jallikattu practiced in Tamil Nadu is a part of which festival?

A) Onam B) Pongal
C) Natuanjali D) Hampi
 
Answer & Explanation Answer: B) Pongal

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

At somebody's expense

A) Paid for by someone. B) To blame a crime on someone else.
C) The unlucky persons who lose a race. D) If one person benefits it is always at the loss of another.
 
Answer & Explanation Answer: A) Paid for by someone.

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Q:

Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If the given sentence is correct as it is, the answer is ‘No error’. Ignore the errors of punctuation, if any.

The ruling party stood/ for implementation of the bill/ and was ready to/ stake their political existence.

A) The ruling party stood B) For implementation of the bill
C) And was ready to D) Stake their political existence
 
Answer & Explanation Answer: D) Stake their political existence

Explanation:

The error lies in the 4th part of the sentence. The subject is 'the ruling party' which is singular; hence 'their' should be replaced by 'its' as their is a possessive pronoun for plural subjects and its is the possessive for singular subjects.

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Q:

___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.

A) Methane B) Greenhouse
C) Carbon dioxide D) Ozone
 
Answer & Explanation Answer: B) Greenhouse

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Q:

Which of the following is a greenhouse gas or a gas, which can deplete the ozone layer?

A) As B) Kr
C) C4H8 D) CH4
 
Answer & Explanation Answer: D) CH4

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Q:

Algal bloom results from

A) Global warming B) Salination
C) Eutrophication D) Biomagnification
 
Answer & Explanation Answer: C) Eutrophication

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