Name animals/ birds which help in biopest control.

State any two ways to save the environment.

How can mini-hydel plants sustain environment?

When and why was the Central Pollution Control Board (CPCB) set up?

Define 'Global warming'.

Global warming is mainly caused by:

1. Burning of coal and petroleum products.
2. Deforestation.
3. Release of methane gas from animal waste.
4. All of the above.

What are the important environmental issues which should receive our attention?

Which animals/ birds help in biocomposting?

1. Cattles.
2. Snakes.
3. Owls.
4. Peacock.

What is sustainable development?

What is ‘Absorptive Capacity'?