Questions

Q:

Polynucleotide chain of DNA contains

A) a nitrogenous base, deoxyribose sugar and phosphate group B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group D) a nitrogenous base and phosphate group only
 
Answer & Explanation Answer: A) a nitrogenous base, deoxyribose sugar and phosphate group

Explanation:

The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.

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Q:

Terminal velocity ________.

A) first increases before decreasing B) is constant
C) first decreases before increasing D) always keeps on increasing
 
Answer & Explanation Answer: B) is constant

Explanation:
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Q:

A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

 

A) 6 B) 18
C) 12 D) 36
 
Answer & Explanation Answer: A) 6

Explanation:
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

In the court of god we will be judged by our action and ______.

 

A) steeds B) bleed
C) gleeds D) deeds
 
Answer & Explanation Answer: D) deeds

Explanation:
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

I ________ my black leather shoes till they shine.

 

A) scrub B) rub
C) brush D) polish
 
Answer & Explanation Answer: D) polish

Explanation:
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

 

Vivekananda ______ the young to “arise” and “awake”, to reject all doctrines and dogmas that were based on superstition and prejudice.

A) flattered B) lauded
C) exhorted D) commended
 
Answer & Explanation Answer: C) exhorted

Explanation:
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Q:

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

 

Sneer

A) Praise B) Scorn
C) Mock D) Despise
 
Answer & Explanation Answer: A) Praise

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.

To break the ice

A) Made people angry B) Made people laugh
C) Made people excited D) Made people relaxed and comfortable
 
Answer & Explanation Answer: D) Made people relaxed and comfortable

Explanation:
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