Questions

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

An upright bar, post, or frame forming a support or barrier

In autotrophic bacteria, where is chlorophyll located?

Photosynthesis takes place in the presence of chlorophyll and _________.

The most serious air pollutant causing health hazard is

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".

The sales boy told the consumer not to touch the products on display.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Let something slip through one's fingers

Name the British Viceroy who was the original practitioner of the policy of 'divide and rule' in Bengal.

Name the U.S. war between the north and the south?