Questions

The most abundant element in the earth's atmosphere is

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as

The chemical component that is invariably found in all viruses is

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A place where astronomical observations are made

The SI unit of acceleration is __________.

Which one of the following was established with a definite provision under an Article of the Constitution of India?

__________ (HHDD) is a technology where the conventional disk drive is combined with non-volatile flash memory, of typically 128 MB or more to cache data during normal use.

The longest railway line in the world connects _________