Questions

Why do the desert plants take up the carbon dioxide for photosynthesis at night?

Pentane has _____ structural isomers.

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

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".

Sunil and I helped to sell tickets.

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

At a snail's pace

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.

No one answered my call for help.

______________ means that the Supreme Court will reconsider the case and the legal issues involved in it.

Decisions made by which court are binding on all other courts in India?