Questions

One of the techniques used for desalination of sea water is

_____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.

The motile germ cell is called a/an

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

In India, which of the following is regulated by the Forward Markets Commission?

Propyne and propene can be distinguished by

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.

coal is the _____ source of commercial energy in India. 

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.