Last updated on December 9th, 2023 at 08:48 pm
MCQ on Class 8 Pollution of air and water
MCQ on Class 8 Pollution of air and water | Class 8 Science MCQ | for the students of cbse / icse and all board exams.
- Fuels that are incompletely combusted produce …………. gas.
- Â Â Â carbon monoxide
- Â Â Â oxygen
- Â Â Â carbon-di-oxide
- The primary cause of Taj Mahal marble yellowing is:
- Â Â Â Rain Water
- Â Â Â None
- Â Â Â Acid rain
3.………….. is the contamination of water with unwanted and harmful substances.
- Â Â Â Water pollution
- Â Â Â Air Pollution
- Â Â Â None
- The presence of undesirable substances in the air is known as …………
- Â Â Â air pollution
- Â Â Â water pollution
- Â Â Â soil pollution
- Air pollution should be controlled by encouraging the use of LPG and CNG.
- Â Â Â None
- Â Â Â False
- Â Â Â True
- …………….. is caused by the release of hot water into water bodies.
- Â Â Â Thermal pollution
- Â Â Â None
- Â Â Â Water Pollution
- The ozone layer protects us against UV rays.
- Â Â Â None
- Â Â Â True
- Â Â Â False
- Which of the following fuels is the least polluting?
- Â Â Â Petrol
- Â Â Â CNG
- Â Â Â Diesel
- Sunlight can remove all contaminants from water.
- Â Â Â None
- Â Â Â False
- Â Â Â True
- CNG is the abbreviation for ……………….
- Â Â Â compressed nitrogen gas.
- Â Â Â None
- Â Â Â compressed natural gas.
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