Questions

Pentane has _____ structural isomers.

The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .

Which one of the following is a cation?

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

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

Ramesh is richer than Satish but Jaya is less rich than Ramesh. Ram is less rich than Jaya but richer than Satish, but is not as rich as Ramesh. Ramesh is less rich than Navin. The richest amongst them is?

Why should I hire you?

Sher Shah Sur defeated which Mughal emperor?