Same chapter1 markDifficulty: Easy
The gas chiefly responsible for the enhanced greenhouse effect is:
Pollution
2 marksDifficulty: Easy
Define pollution and name its main types.
Original Khojo Papers practice question — not from a past board paper.
Answer
Pollution is any undesirable change in the physical, chemical or biological characteristics of air, water or land that harms living organisms. The main types are air pollution, water pollution, soil pollution, noise pollution and radioactive pollution.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A substance that causes pollution is called a pollutant.
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