Questions

What happens in an oxidation reaction?

Which of the following gases is heavier than oxygen?

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

___________ is a typically one­celled, reproductive unit capable of giving rise to a new individual without sexual fusion.

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.

A large _______ of angry bisons rampaged through the villages.

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'.

He only plays a subsidiary(A)/ role in the management(B)/of this organization.(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".

He would surely assist me if I had requested him to do so.

Which of the following sources has the largest share in power generation in India?