Answer the following questions

Question 11 Mark

Kanha forest, a tiger reserve is an example of ….....type of conservation.

Question 21 Mark

Name the stretches of forest set aside and protected in the name of Almighty in India.

Question 31 Mark

What is Red Data Book ?

Question 41 Mark

Give the effects of air pollutants on human health.

Question 51 Mark

What is bioaccumulation?

Question 61 Mark

Define 'greenhouse effect'.

Question 71 Mark

Which device is used to clean both dust and gases from polluted air?

Question 81 Mark

How many Biodiversity hotspots have been identified around the world?

Question 91 Mark

Give scientific reason: Ozone present in the stratosphere is called as "good ozone".

Question 101 Mark

What is 'deforestation?

Question 111 Mark

Why PUC is mandatory for all vehicles ?

Question 121 Mark

Global warming is caused by 'greenhouse effect'.justify.

Question 131 Mark

What is biomagnification?

Question 141 Mark

Define global warming.

Biology Answer the following questions