Questions

The residual attractive or repulsive forces between molecules or atomic groups that do not arise from a covalent bond, or ionic bonds is called _____

Ozone protects biosphere from ___________

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".

When the architect won a prize in a play­writing competition his friends admired his universality.

Who Invented airbag?

Who invented the Band-aid?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

A person’s last performance

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Mutual discourse

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.

She ate the sweets greedily.