Questions

Unit of impedance is ___________.

Instrument used for measuring specific gravity is called _____.

Which pillar of Indian Constitution is its final interpreter?

Which mechanism is used by the computer virus 'worm' to duplicate itself?

Which is the only train which runs between Kolkata and Dhaka?

A universal donor has the blood group

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

Up against the wall