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 great ______ of our world.

Western blot is the diagnostic test for

Which one is not the cause of kidney stone formation?

When milk becomes sour, ___ is produced.

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

The huge storm known as Great red spot is associated with which planet?

What is the name of the probe to be launched by NASA in 2018 to explore the Sun’s outer atmosphere?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Blessing in disguise