Which one of the following (Shifting Cultivation - Area) is not correctly matched?

“Mental health means the ability to make adequate adjustment to the environment on the plane of reality" statement is given by: 

In the nucleus of Helium,

The process of getting an object of thought clearly before the mind is - 

Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

The Chief of the Indian Navy has the rank of–

Which of the following was the first English-language newspaper of India?

______ is a strong drug that doctors give to people to make them calm or help them sleep.