Questions

Potassium Permanganate is used for purifying drinking water, because________

A current I flows through a resistor. A source maintains a potential difference of V across the resistor. The energy supplied by the source in time t is 

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Up against the wall

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'.

Industries should regularly check (1)/ if their machines are emitting (2)/ smoke within permission limits. (3)/ No error (4).

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

To bite off more than one can chew

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.

They found him lying dead on the roadside.

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

An arrangement of flowers fastened in a ring used for laying on a grave

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Face the music