Questions

Q:

Pentane has _____ structural isomers.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Filed Under: Chemistry
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Q:

Moti Masjid is situated in which of these World Heritage Sites?

A) Humayun's Tomb B) Mahabodhi Temple Complex
C) Qutub Minar D) Red Fort Complex
 
Answer & Explanation Answer: D) Red Fort Complex

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Filed Under: Indian Geography
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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.

At somebody's expense

A) Paid for by someone. B) To blame a crime on someone else.
C) The unlucky persons who lose a race. D) If one person benefits it is always at the loss of another.
 
Answer & Explanation Answer: A) Paid for by someone.

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Q:

Anions are formed by _____.

A) losing of electrons B) gaining of electrons
C) gaining of neutrons D) losing of neutrons
 
Answer & Explanation Answer: B) gaining of electrons

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Q:

Insects that transmit diseases are known as

A) Pathogens B) Vectors
C) Drones D) Scalars
 
Answer & Explanation Answer: B) Vectors

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Filed Under: Biology
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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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Filed Under: Biology
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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'.

 

My heart (A)/ is so full (B)/ for words. (C)/ No Error (D)

 

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

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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.
The president's coterie of advisers was unable to offer him a ____________ to the national problem.

A) solvent B) solute
C) solution D) mixture
 
Answer & Explanation Answer: C) solution

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