General Knowledge Questions

Q:

Optical fiber works on the principle of -

A) Diffusion B) Total Internal Reflection
C) Scattering D) Refraction
 
Answer & Explanation Answer: B) Total Internal Reflection

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Q:

In which of the following fields Yamuna Krishnan has been awarded with 9th Infosys award on January 10, 2018?

 

A) Biological Sciences B) Social Science
C) Physical Sciences D) Mathematical Science
 
Answer & Explanation Answer: C) Physical Sciences

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Q:

The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called ___

A) inertia B) momentum
C) energy D) force
 
Answer & Explanation Answer: A) inertia

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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.

 

A diamond in the rough

 

A) Someone or something with potential or talent but lacking training or polish B) A person who dresses shabbily
C) A diamond will shine out even when it is not polished. D) A person of character will shine through even in tough times.
 
Answer & Explanation Answer: A) Someone or something with potential or talent but lacking training or polish

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

The new lecturer (A)/ seems to be very popular with (B)/ most of the class. (C)/ No error (D)

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: D) D

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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.

On thin ice

A) To keep failing after repeated efforts B) To endure a harsh winter
C) To keep one's cool even in a tough situation D) In a precarious or risky situation
 
Answer & Explanation Answer: D) In a precarious or risky situation

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Varun ate six rotis at dinner.

A) At dinner, six rotis was ate by Varun. B) At dinner, six rotis were eaten by Varun.
C) At dinner, Varun had eaten six rotis. D) At dinner, had Varun eaten six rotis.
 
Answer & Explanation Answer: B) At dinner, six rotis were eaten by Varun.

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Q:

'Parsec' is the unit measurement of

A) Density of stars B) Astronomical distance
C) Brightness of heavenly bodies D) Orbital velocity of giant stars
 
Answer & Explanation Answer: B) Astronomical distance

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