Questions

Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

 

Dank

 

A) Dry B) Close
C) Sticky D) Moist
 
Answer & Explanation Answer: A) Dry

Explanation:
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Filed Under: English
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Q:

Which country has launched the longest bullet train line covering a distance of 2252 kilometers in January, 2017?

A) Japan B) China
C) Afghanistan D) Myanmar
 
Answer & Explanation Answer: B) China

Explanation:
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Filed Under: General Awareness
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Q:

What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it on application of 20 V of potential difference across it?

A) 10 B) 20
C) 80 D) 40
 
Answer & Explanation Answer: D) 40

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Filed Under: Physics
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Q:

What are amino acids made of?

A) Carbon B) Nitrogen
C) Hydrogen & Oxygen D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The carbon, oxygen, hydrogen and nitrogen are the key elements in aminoacids as all aminoacids contain amine (NH2) and carboxyl (COOH) as functional groups and R group for every specific aminoacid.

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Filed Under: General Science
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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) I waited B) for her return
C) with growing unease D) No error
 
Answer & Explanation Answer: C) with growing unease

Explanation:

The error is in third part. “unease” is wrong expression because it is in noun form. Correct usage will be “with growing “uneasiness”, which is an adjective qualifying wait. Which means as time passed while I waited, I grew more and more uneasy.

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Filed Under: English
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Q:

Which compound is a saturated hydrocarbon?

A) Alkene B) Alkane
C) Alkine D) All of the above
 
Answer & Explanation Answer: B) Alkane

Explanation:

Alkanes are saturated hydrocarbons. Saturated means that the hydrocarbon has only single bonds and that the hydrocarbon contains the maximum number of hydrogen atoms for each carbon atom.

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Filed Under: Chemistry
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Q:

Some niacin is formed in the body from

A) Liver B) Skin
C) Appendix D) None of the above
 
Answer & Explanation Answer: A) Liver

Explanation:

Niacin is the name for vitamin(B3).

 

Liver can produce small amount of niacin from tryptophan.

 

To produce 1 mg of niacin we require 60 mg of tryptophan.

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Filed Under: Biology
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Q:

What is the full form of DNA?

A) Diribo nucleic acid B) Di nucleic acid
C) Dual nitrogen acid D) Deoxyribonucleic acid
 
Answer & Explanation Answer: D) Deoxyribonucleic acid

Explanation:
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Filed Under: Biology
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