Questions

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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Q:

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

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

Explanation:
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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

They abandoned their comrades __________ the wolves.

A) by B) between
C) on D) among
 
Answer & Explanation Answer: D) among

Explanation:
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Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Indomitable

A) Unconquerable B) Conflicting
C) Falsification D) Intermittent
 
Answer & Explanation Answer: A) Unconquerable

Explanation:
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Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Redundancy

A) Absence B) Dearth
C) Paucity D) Excess
 
Answer & Explanation Answer: D) Excess

Explanation:
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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

The scheme allows students from different countries to communicate __________.

A) each other B) with each others
C) themselves D) with one another
 
Answer & Explanation Answer: D) with one another

Explanation:
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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Draw a blank

A) Paint something B) Find no favour
C) Oblige someone D) Teach someone
 
Answer & Explanation Answer: B) Find no favour

Explanation:
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

 

Mr. Rao told Mr. Mehta that he had to go to the town that day.

 

A) Mr. Rao said,"I have to go to the town today." B) Mr. Rao said,"Mr. Mehta I have to go to the town that day."
C) Mr. Rao said,"Mr. Mehta, I have to go to the town today." D) Mr. Rao said,"Mr. Mehta I will have to go to the town today."
 
Answer & Explanation Answer: D) Mr. Rao said,"Mr. Mehta I will have to go to the town today."

Explanation:
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