Questions

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Books are our ______ friends. They are our guides. We can learn everything from them. The books contain all the great ______ of the world's leaders and we can learn them by reading the books. The books help us find ______ to our questions. The books never fail us. We should read as ______ books as we can. But all books are not good. So we should ______ only good books.

The books help us find ______ to

Nitrogen fixation is a process of

India's largest renewable energy park would be located in

Thumba in Kerala is famous because ___.

Which is the parameter for the economic development ?

One step in the production of hydroelectric power involves _____.

What percentage of India's population is employed in agriculture?

Name the official language of Brazil?