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:

Sulphur and Chlorine can have what type of a bond?

A) Polar covalent B) Polyionic
C) Non­-polar covalent D) Ionic
 
Answer & Explanation Answer: A) Polar covalent

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.

More than thirty years have now passed ______ I had my first flight.

A) since B) after
C) while D) when
 
Answer & Explanation Answer: A) since

Explanation:
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Q:

Nepal does not share its border with which Indian state?

A) Uttarakhand B) Haryana
C) West Bengal D) Sikkim
 
Answer & Explanation Answer: B) Haryana

Explanation:
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Q:

Where is the Film and Television Institute of India located?

A) Ahmedabad B) Mysore
C) Mumbai D) Pune
 
Answer & Explanation Answer: D) Pune

Explanation:
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
My mother said to me, "You will regret your actions."

A) My mother warned me that I will regret my actions. B) My mother warned me that I will be regretting my actions.
C) My mother warned me that I would regret my actions. D) My mother warned me that I would be regretting my actions.
 
Answer & Explanation Answer: C) My mother warned me that I would regret my actions.

Explanation:
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Q:

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.

Despite the abuse and insults that were hurled at him, he really sticks on his guns and showed the protesters how to be calm.
i. he really stuck onto his guns and showed the protesters
ii. he really stuck to his guns and showed the protesters
iii. he really is sticking his guns onto the protesters

A) A. Only i B) B. Only ii
C) C. Only iii D) D. ii and iii
 
Answer & Explanation Answer: B) B. Only ii

Explanation:

Ans. B.
‘to stick to one’s guns’ means refuse to compromise or change, despite criticism. It is a phrasal verb hence we can’t make any changes in the prepositions used. The sentence is in past tense, hence stick should be replaced by stuck.

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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

Explanation:
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