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.
- carbon monoxide
- oxygen
- carbon-di-oxide
- The primary cause of Taj Mahal marble yellowing is:
- Rain Water
- None
- Acid rain
3.………….. is the contamination of water with unwanted and harmful substances.
- Water pollution
- Air Pollution
- None
- The presence of undesirable substances in the air is known as …………
- air pollution
- water pollution
- soil pollution
- Air pollution should be controlled by encouraging the use of LPG and CNG.
- None
- False
- True
- …………….. is caused by the release of hot water into water bodies.
- Thermal pollution
- None
- Water Pollution
- The ozone layer protects us against UV rays.
- None
- True
- False
- Which of the following fuels is the least polluting?
- Petrol
- CNG
- Diesel
- Sunlight can remove all contaminants from water.
- None
- False
- True
- CNG is the abbreviation for ……………….
- compressed nitrogen gas.
- None
- compressed natural gas.
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