Highest percentage of air consists of 

Important Questions on Pollution of Air and Water

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 11

Potable water is the water which is

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 12

Biological pollution in water is caused by

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 13

The Kyoto protocol is associated with one of the following.

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 14

Boojho wishes to contribute in reducing air pollution. Which vehicle should he use for going to school?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 15

Which of the following is not a way to conserve water?

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 1

Bathing and washing near water bodies should be _____ (avoided/supported).

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 2

Any undesirable change in the physical, chemical or biological characteristics of the natural environment is called _____. (pollution/pollination)

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 3

CFCs deplete the _____.