Environment

What type of pollution is caused by the Vehicles.

• air

• water

• noise

• soil

Wind decreases the amount of dust particles in the air . Is it true or false? Give reason.

Unscramble the given alphabets to identify sources of air pollution.

i) TRIULAUGRCAL

ii) ESNLOSTV _-

Suggest measures to control air pollution caused by the smoke

Water is safe for human consumption only when it is free of

• floating substances

• unwanted smells

• microorganisms

• all the above.

How do oil spills in water bodies affect the plant and animal life present in them?

This is the latest technology in garbage disposal

• Composting

• Burning

• Incineration

• None of these

Harmful chemicals are left in the soil by

• Domestic waste

• Defecation

• Industrial and agricultural wastes

• Spitting

____________Can be used as manure for gardening

• spitting

• soil

• combusting

• none

What type of pollution is caused by washing clothes in river?

• air

• water

• soil

• noise