Questions

In which of the following mentioned activities is the potential energy (P.E) converted into kinetic energy(K.E)?

The study of human evolution indicates that all of us belong to a single species that evolved in

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.

Osteoporosis is the disease related to

Zika virus which damages the brain of the foetus is

Which hormone is released from the testes?

Which among the following is NOT same as reproduction?

T cell activation requires