Questions

Who invented the Band-aid?

What is used to prevent freezing of fuel in space crafts?

Nodes of Ranvier are microscopic gaps found within:

Animals in which the cells are arranged in two embryonic layers are called ________.

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'.

At this moment that (1)/ terrible door burst noisily open and (2)/ banged for the wall. (3)/No Error (4)

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".

Pankaj couldn't have seen us or he will have waved.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Moot

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

Be on the air