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Syllabus

Effects of Pollution — Syllabus

ICSE · Class 9 · Geography

What Effects of Pollution covers in ICSE Class 9 Geography: 4 topics, for the 2026-27 session. Part of the ICSE Class 9 Geography syllabus.

62 questions38 flashcards5 concepts

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A flowchart illustrating the various human activities that lead to water pollution, including industrial, agricultural, and cultural sources, and their impact on water bodies.
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4 Topics · ICSE Class 9 Geography · 2026-27

Topics in Effects of Pollution

1

1. Environmental Pollution: Basic Idea

  • Environmental pollution is one of the most serious threats facing the world.
  • Air, water, and soil are life-supporting systems for living beings.
  • Polluted air can cause illness and can even be fatal.
2

2. Effects of Air Pollution

  • The atmosphere is the blanket of air around the Earth and it supports life.
  • The atmosphere contains nitrogen, oxygen, argon, carbon dioxide, helium, methane, krypton, ammonia, and carbon monoxide, among other gases.
  • Air composition can be disturbed by natural calamities and human activities.
3

3. Effects of Water Pollution

  • Water pollution may be defined as the presence of impurities in water.
  • Sources of water pollution include sewage and domestic waste, industrial effluents, fertilisers, and oil spills.
  • Water pollution affects health through micro-organisms, chemical toxicants, mosquito-borne diseases, and biological agents.
4

4. Effects of Soil Pollution

  • Soil pollution by chemicals and organic materials creates health hazards for humans.
  • Chemical fertilisers can wash into waterways, lakes, and underground aquifers.
  • Chemical fertilisers poison water supplies and kill aquatic life.

Key Concepts

Central concept: Environmental pollution and its effects on human health and the environment

Air pollutionWater pollutionSoil pollutionNoise pollutionRadiationBhopal Gas TragedyChernobyl disasterBiogeochemical cycles

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Frequently Asked Questions

What are the important topics in Effects of Pollution for ICSE Class 9 Geography?
Key topics in Effects of Pollution include Environmental Pollution: Basic Idea, Effects of Air Pollution, Effects of Water Pollution, Effects of Soil Pollution. Study these first, then practise questions on each for Class 9 exams.
How should I revise Effects of Pollution for Class 9 exams?
Learn the core ideas first, then work through the 62 practice questions on Effects of Pollution. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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