Name the chemicals which are used in refrigerators and air conditioner and damage ozone layer when released in air.

2

(a)

An alternative fuel for vehicles is CNG. Write its full form.

2

(a)

Name any two water pollutants which are toxic for both plants and animals

2

(a)

We need to filter water before drinking. Give reason.

2

(a)

A fuel can be used in vehicles in place of petrol and diesel. Name it.

2

(a)

Microorganisms such as bacteria are also pollutants of water. In which category of pollutants, are they placed?

2

(a)

Run-off water from a garden is not considered a point source of pollution. Give reason.

2

(a)

Combustion of fossil fuels generates a lot of air pollution. Can you suggest any two alternative sources of energy which do not cause any pollution?

2

(a)

The quality of air at various locations is monitored regularly by government and other agencies. In what way can you use these data?

2

(a)

What has been done to reduce pollution in Delhi?

2

(a)

What is recent climate change report?

2

(a)

How is untreated sewage the major cause of water pollution?

2

(a)

Write full form of CNG and LPG

2

(a)

Explain the Ganga Action Plan in short.

2

(a)

Why does Kanpur city in Uttar Pradesh have one of the most polluted stretches of the Ganga river?

2

(a)