General Knowledge Questions

Q:

An ionic bond involves _____.

 

A) the sharing of a single pair of electrons B) an attraction between ions of opposite charge
C) the unequal sharing of an electron pair D) water avoidance
 
Answer & Explanation Answer: A) the sharing of a single pair of electrons

Explanation:

In ionic bonding, the atoms are bound by attraction of oppositely charged ions, whereas, in covalent bonding, atoms are bound by sharing electrons to attain stable electron configurations.

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Q:

Improve the bracketed part of the sentence.

 

The unpleasant feeling (passes) and she glanced guardedly up at him.

A) passing B) has passed
C) passed D) No improvement
 
Answer & Explanation Answer: C) passed

Explanation:
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Q:

The blue colour of the clear sky is due to

A) Diffraction of light B) Dispersion of light
C) Reflection of light D) Refraction of light
 
Answer & Explanation Answer: B) Dispersion of light

Explanation:

A clear cloudless day-time sky is blue because molecules in the air dissipate blue light from the sun more than they dissipate red light. When we look towards the sun at sunset, we see red and orange hues on the grounds because the blue light has been scattered out and away from the line of sight.

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Q:

Improve the bracketed part of the sentence.

 

Not only do they heighten anxieties among the (targeted groups rather also they) risk giving the unacceptable a perverse acceptability.

A) targeted group then also they B) targeted groups even also they
C) targeted groups but also they D) No improvement
 
Answer & Explanation Answer: C) targeted groups but also they

Explanation:
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Q:

Improve the bracketed part of the sentence.

She (has fallen out with) the boy she was supposed to marry.

A) fell out with B) has fallen out of
C) has fallen in with D) no improvement
 
Answer & Explanation Answer: D) no improvement

Explanation:
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Q:

The activation energy for the reverse reaction is represented by

 

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

Explanation:
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Q:

Improve the given sentence if necessary.

I am waiting for three-quarters of an hour.

A) I am waiting since B) I have waited since
C) I have been waiting for D) No improvement
 
Answer & Explanation Answer: C) I have been waiting for

Explanation:

If some action has started in the past and is still continuing, then present perfect continuous tense should be used instead of present continuous tense. So, the phrase ‘am waiting’ needs to be replaced with ‘have been waiting’ to make the sentence contextually correct. Thus, the correct formation would be, ‘I have been waiting for three –quarters of an hour’.

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Q:

Improve the bracketed part of the sentence.

 

She dithered every time she (make) a decision.

A) makes B) had to make
C) will make D) No improvement
 
Answer & Explanation Answer: B) had to make

Explanation:
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