Questions

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

She made a very remarkable observation. 

Tooth decay starts when the pH of the mouth is lower than

Raja Ravi Varma was a great painter of which of the following ?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Quash

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.
The agent will take you to the property.

How do you deal with authority?

In a _________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation

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".

His shoes ( to cover ) with mud.