Questions

Name the respiratory organs of insects

Prawns belong to which family?

____ tissue changes the diameter of a blood vessel.

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.
I have kept all your old letters.

Sphalerite is an ore/mineral of

What is the other name of sodium carbonate?

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to “No improvement”.

He is not sure whether she knows to swim.

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

On being called, (A) / all of us (B) / entered into the room. (C) / No Error (D)