MEDIUM
8th CBSE
IMPORTANT
Earn 100

Name two gases which are mainly responsible for acid rain?

Important Questions on Pollution of Air and Water

EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>VERY SHORT ANSWER QUESTIONS>Q 16
The quality of air at various locations is monitored regularly by the government and other agencies? In what ways you can use these data?
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>VERY SHORT ANSWER QUESTIONS>Q 17
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?
HARD
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>VERY SHORT ANSWER QUESTIONS>Q 18
Name any two water pollutants which are toxic for plants and animals.
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>SHORT ANSWER QUESTIONS>Q 19
A lot of dry leaves are collected in a school garden and are burnt every day. Do you think that it is right to do so? If not, what should be done to dispose off the dry leaves?
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>SHORT ANSWER QUESTIONS>Q 20
The level of air pollution is higher at a busy traffic intersection. Why?
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>SHORT ANSWER QUESTIONS>Q 22
Match the items of Column A with those of Column B.
Column A Column B
(a) sulphur dioxide (p) damage ozone layer
(b) carbon dioxide (q) reduces the oxygen-carrying capacity of the blood 
(c) carbon monoxide (r) acid rain
(d) chlorofluorocarbons  (s) greenhouse gas
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>SHORT ANSWER QUESTIONS>Q 23
We can survive for some time without air, but we cannot survive even for a few minutes without food. Is the given statement wrong? If yes, correct it.
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 18 - Pollution of Air and Water>SHORT ANSWER QUESTIONS>Q 23
A brick kiln emits a lot of smoke and other harmful gases causing air pollution. Is the given statement wrong? If yes, correct it.