Questions

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:

Pentane has _____ structural isomers.

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

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Q:

Which one of the following is a cation?

A) Carbonate B) Nitrate
C) Ammonium D) Hydroxide
 
Answer & Explanation Answer: C) Ammonium

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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

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Q:

Which of the following is the largest group of animals?

A) Nematoda B) Porifera
C) Arthropoda D) Mollusca
 
Answer & Explanation Answer: C) Arthropoda

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Q:

India was ranked at which place among emerging economies on Inclusive Development Index (IDI-2018) released by World Economic Forum (WEF)?

 

A) 26th B) 47th
C) 62nd D) 81st
 
Answer & Explanation Answer: C) 62nd

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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:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Ended in a fiasco

A) A complete failure B) A successful event
C) Changed one completely D) Twisted around
 
Answer & Explanation Answer: A) A complete failure

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