Questions

Isolines joining places of equal rainfall are called ___________

'Neo-Malthusian Theory' is associated with which of the following?

_____ is the source of energy and materials in human beings.

Which of the following is a wind based Indian musical instrument?

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Please guide me.

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

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Stringent

Cinnabar is an ore/mineral of