Air, the Breath of Life
Air, the Breath of Life: Overview
This topic covers concepts, such as, Air as an Abiotic Component, Role of Atmosphere in Climate Control, Wind, Air Pollution, Global Warming & Rainfall Patterns etc.
Important Questions on Air, the Breath of Life
What is the most common element in the wind?

What is the original source of wind energy?

CO2 and _____ (CO/N2O) are known as greenhouse gases.

Which of the following is a greenhouse gas?

Movements of air from warmer to the colder or from colder to warmer regions.
( Choose from the following- Wind currents/ convection current)


The suspended particles present in the air are unburnt carbon particles and substances known as _____.

Living things are found on the Earth where _____, hydrosphere and atmosphere exist.

Surface water of the Earth and underground water comprise _____.

_____ is produced from incomplete burning of fuels such as petrol and diesel. It is a poisonous gas. It reduces the oxygen-carrying capacity of the blood.

What are the human activities that you think would lead to air pollution?

Biotic components of the ecosystem is not constituted by-

Which of the following is a greenhouse gas?


The Taj Mahal is slowly turning yellow because of

The percentage of oxygen in the atmophere

Which gas has the highest percentage in the atmosphere?

Choose the right word and fill in the blank.
_____ (smog/water vapour) is intensified by atmospheric pollutants.


