HARD
8th CBSE
IMPORTANT
Earn 100

Discuss the types of pollution generated by different types of vehicle engines.

Important Questions on Pollution of Air and Water

MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
Discuss the cause of global warming and the effects global warming is likely to have.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
What are the causes of build up of carbon dioxide in the atmosphere?
HARD
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
How does air pollution affect the ozone layer?
HARD
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
How is acid rain formed? Discuss its ill effects.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
Write a short note on algal bloom.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
What is potable water? Discuss briefly any three methods that can be used to make water safe for drinking.
HARD
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Exercises>Q E
How is water made potable at the city waterworks?
HARD
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Higher-order Thinking Skills>Q 1
A recent survey revealed that India has more than half of the world's population that defecates in the open. Do you think this can in any way impact the groundwater reserves and the water supply to your house? Explain.