Questions

Given in the options are sets of particular characteristics of elements and how they vary across the period and down the group in the following format:

Characteristic of an element  -  Across the period  -  Down the group

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

I had to stop all my work to complete this project.

This is NOT a use of a concave mirror?

 In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

At one time, the lock industry here flourished and locks (was exported) on a major scale.

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

The Center for Medicare & Medicaid Services (CMS), a federal agency in USA has an Indian as its current administrator under the Trump regime. Who is she?

'Bharat Stage Emission Standards' refers to

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'.

According to the Copernican principle, the Earth does not (1)/ occupy a unique position in the Universe while (2)/ implies life on other planets can be a possibility.(3)/ No error (4)