Questions

Which instrument is used for photographing the Sun?

Which among the following is an example of solid sol?

The Chemical formula of Ammonium sulphate is

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Virat Kohli added another feather _____ his cap by his wonderful performance in the one day match.

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".

Never such incidents have taken place on our campus.

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A thing no longer in use

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
My mother said to me, "You will regret your actions."

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

Head over heels