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Chapter overview
Types, sources, pollutants, wastes, effects of pollution, and control measures.
Practice ready
3707 MCQs and 2691 written prompts are ready for focused chapter work.
Topics
3
Recall
9
Cards
18
Topic 1
A pollutant is any harmful substance or factor that disturbs normal environmental quality.
Topic 2
Biodegradable wastes decompose naturally, but non-biodegradable wastes persist and accumulate.
Topic 3
Pollution harms living organisms directly and also disturbs environmental balance and climate.
Chapter pack
Topic list
Topic 1
Identify types and sources of pollution and the major pollutants affecting air, water, soil, and surroundings.
Topic 2
Compare biodegradable and non-biodegradable wastes and their environmental impact.
Topic 3
Study effects on climate, environment, human health, organisms, and practical control measures.
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