Questions

Lungs are the primary organs of _________.

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.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy.

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the average revenue is zero.

CuO + H2 ---> Cu + H2O. This equation is an example of

There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?

How many groups and periods are present in the Modern Periodic Table?

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

You can say that again

Which Mughal Emperor fought the battle of Panipat in 1526?