Question

1.Give a briefly explanation of each of th following five main causes of pollution :

- Exhaust and emissions from vehicles and industries.

-Dumping waste in water bodies.

- Accumulation of non-biodegradable waste (like plastic).

- Excessive use of chemicals (herbicides and pesticides) in agriculture.

- Deforestation and overgrazing.

2. Give a briefly explanation of the each of the Five main consequences of pollution :

- Respiratory disease and other health problems in humans.

- Death of aquatic Organisms due to chemicals.

- Soil erosion and worsening states of water bodies.

- Plant growth adversely affected.

- Depletion of ozone layer and global warming.

3. Give a briefly explanation of each of the following Solution to pollution problem:

- Afforestation.

- Use of biodegradable material instead of plastic.

- Use of mass transportation.

- Treatment of chemicals before release from industries.

- Switching to renewable sources of energy like solar energy.

4. Give a briefly explanation of each the five following preventive measures for pollution :

- Avoid unnecessary burning of fossils fuels.

- Lower deforestation.

- Avoid use of non biodegradable materials.

- Avoid uses of crackers.

- Proper disposal of hazardous chemicals.

Answer 1

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