Questions

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

Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?

Which of the following reproduce both, sexually as well as asexually?

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?

Blotting paper absorbs ink due to

What is the pH value of human blood?

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.