Questions

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'.

Liquid water cannot exist on the surface of Mars as to low (1)/ atmospheric pressure, which is less than 1% of Earth's, (2)/ except at the lowest elevations for short periods. (3)/ No error (4).

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Hackneyed

The absolute refractive index of air is

The boundary between Earth's crust and mantle is _____.

The Scientists from China have successfully cloned which animal for the first time?

The battle of Tarain was fought between Prithviraj Chauhan and _____.

Which statement about the Gulf of Tonkin incident is true?

Who invented the thermos flask?