Questions

The chemical that is used to ripen mangoes is

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

Nitrogen fixation is a process of

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’.

One of the hazard of swimming (1)/ in the ocean is an unexpected (2)/ encounter with a jellyfish. (3)/ No error (4)

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Worldwide, journalism and the news industry are struggling, in this digital age, to ________________ their relevance and value under profoundly changed and _________________ circumstances. In response ________________ the challenge, a strong view is forming within the profession that one way to ensure that the activities that __________________ journalism will continue to matter is to hone, strengthen, and develop its professional capabilities to perform certain __________________ tasks.

activities that __________________ journalism

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

Burn the midnight oil

Rayon is obtained from which among thefollowing?

The 'solid waste' is also known as