Same chapter2 marksDifficulty: Easy
Define pollution and name its main types.
Pollution
Original Khojo Papers practice question — not from a past board paper.
carbon dioxide
No citable source has been recorded for this record. Treat it as practice material, not as fact.
It absorbs the infrared radiation re-emitted by the earth and traps heat in the atmosphere.
From the same topic and chapter, at a similar level.
Define pollution and name its main types.
Pollution
State three harmful effects of noise pollution.
Pollution
State three sources of air pollution and one effect of each.
Pollution
Suggest four ways in which a city can reduce its air pollution.
Pollution
What is eutrophication and how is it caused?
Pollution
What is biomagnification? Give one example.
Pollution