Pollution

Biology (Science Paper 3) · Chapter 16 · 6. Pollution

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Your path through this chapter

1
Visual lesson Beta
1. Part 1: Air, water, soil, waste, radiation and noise13 slides
2. Part 2: Waste, global effects and control15 slides
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Notes Beta
6 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
68 board-style questions with instant checks: Multiple choice 22, Short answer 22, Assertion and reason 9, Case-based 6.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Pollution · 40 marks · 60 min
- Chapter test (short) — Pollution · 20 marks · 30 min
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Air pollution: sources (vehicles, industry, burning garbage, brick kilns) and major pollutants
Water, thermal and soil pollution: sources and pollutants
Biomedical waste, radiation and noise pollution
Biodegradable and non-biodegradable wastes; persistence of pesticides such as DDT
Effects of pollution: greenhouse effect and global warming, acid rain, ozone layer depletion
Pollution control measures and the Swachh Bharat Abhiyan