Questions

Q:

The time period of a sound wave is 0.01 seconds. Find its frequency (in Hz).

A) 100 B) 10
C) 50 D) 20
 
Answer & Explanation Answer: A) 100

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Q:

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

A) Erroneous B) Eronneous
C) Erronous D) Eroneous
 
Answer & Explanation Answer: A) Erroneous

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Q:

Potassium Permanganate is used for purifying drinking water, because________

A) It is a reducing agent B) It is an oxidising agent
C) It is a sterilising agent D) It dissolves the impurities of water
 
Answer & Explanation Answer: B) It is an oxidising agent

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Q:

Which drug is used as a Nonsteroidal anti-inflammatory drug?

A) Risedronate B) Diazepam
C) Folic Acid D) Ibuprofen
 
Answer & Explanation Answer: D) Ibuprofen

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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

This is a change of my usual work

A) from my usual work B) for my usual work
C) in my usual work D) No improvement
 
Answer & Explanation Answer: A) from my usual work

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Q:

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

 

But for one witness the accused ought to have been sent to jail.

A) would have B) had
C) should have D) No improvement
 
Answer & Explanation Answer: A) would have

Explanation:

‘ought’ represents advice, ‘would’ represents strong possibility of an event here. ‘would have’ will be the correct grammatical expression here. The sentence expresses that the accused was not sent to jail because of one witness.

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Q:

Which blood group is universal acceptor?

A) O+ B) O–
C) AB– D) AB+
 
Answer & Explanation Answer: D) AB+

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Q:

Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in

A) peas B) wheat
C) corn D) oats
 
Answer & Explanation Answer: A) peas

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