Questions

Major portion of the earth's crust is mainly constituted by

What is the process of conversion of solid state directly to gaseous state called?

The antiparticle of an electron is

What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?

The most productive ecosystem in the biosphere is

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

Fear of pain.

The process of acquiring oxygen from outside the body and to use it in the process of breakdown of food sources for cellular needs is commonly called______.

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.

Cheek by jowl