Questions

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

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'.

Visitors to the zoo(A)/are amused by the monkeys(B)/play in the cages.(C)/No error(D)

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".

His argument against his opponent duly brought jeers from the crowd.

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Be in the red

Who was the first Speaker of Lok Sabha?

Equinox means the date when ___________.

Optical fiber works on the principle of -

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)