Pollution of Air and Water MCQ Questions Class 8 Science Chapter 18
NCERT MCQ Questions for Class 8 Science Chapter 18 Pollution of Air and Water. Pollution of Air and Water MCQ Questions with Answers from Class 8 Science.
Pollution of Air and Water MCQ Questions Class 8 Science Chapter 18
Pollution of Air and Water Multiple Choice Questions with Answers Class 8 Science Chapter 18 PDF is available.
1.) ____ is a source of air pollutant ?
a) Polluted pond
b) Factories
Ans. b) Factories
2.) ____ is produced from incomplete burning of fuel ?
a) Carbon dioxide
b) Carbon monoxide
Ans. b) Carbon monoxide
3.) ____ reduces the oxygen-carrying capacity of the blood ?
a) Carbon monoxide
b) Carbon dioxide
Ans. a) Carbon monoxide
4.) ____ causes breathing Difficulties in children ?
a) Smoke
b) Smog
Ans. b) Smog
5.) ____ are the major source of gaseous pollutants ?
a) Dung cakes
b) Petroleum refineries
Ans. b) Petroleum refineries
6.) ____ is produced by combustion of fuels like coal ?
a) Sulphur dioxide
b) Nitrogen dioxide
Ans. a) Sulphur dioxide
7.) ____ can cause permanent lung damage ?
a) Nitrogen dioxide
b) Sulphur dioxide
Ans. b) Sulphur dioxide
8.) ____ damage the ozone layer of the atmosphere?
a) CFCs
b) CO2
Ans. a) CFCs
9.) ____ causes marble cancer of the Taj Mahal ?
a) Acid rain
b) CFC
Ans. a) Acid rain
10.) Excess of ____ in the air is one of the gases responsible for Greenhouse Effect ?
a) O2
b) CO2
Ans. b) CO2
11.) ____ is one of the gases responsible for Global Warming ?
a) O2
b) CO2
Ans. b) CO2
12.) ____ is a water pollutant ?
a) CO2
b) Arsenic
Ans. b) Arsenic
13.) ____ water is suitable for drinking ?
a) Salted
b) Potable
Ans. b) Potable
14.) ____ is a greenhouse gas ?
a) Methane
b) Sulphur dioxide
Ans. a) Methane