Questions

Nitrification is the biological process of converting

Fire extinguishers emit which gas?

Which of the following is the third member of the Dobereiner triad, that also features Lithium and Sodium?

The shape of the outer part of the ear is like a __________.

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'.

These five sisters (1)/ care for one other (2)/ like mothers. (3)/ No Error (4)/

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

The girl in the red dress said to me, "Where is the film studio?"

In the following question, a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice.

Had work been resumed by the labourers before the manager arrived?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Gnash your teeth