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Pollution

ICSE · Class 10 · Biology

Complete topic list for Pollution in ICSE Class 10 Biology. Key concepts, sub-topics, and what to focus on for board exams.

44 questions45 flashcards5 concepts

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4 Topics · ICSE Class 10 Biology

Topics in Pollution

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1. Meaning of Pollution and Pollutants

  • Environmental pollution is the deterioration in the quality of the environment due to the addition of undesirable substances.
  • Two scientific definitions of pollution are important: one by the Environmental Pollution Panel of the United States Science Advisory Committee (1965) and another by the National Research Council Comm
  • Pollutants are substances whose addition to the environment causes pollution.
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2. Types of Pollutants

  • On the basis of natural fate, pollutants are of two types: biodegradable pollutants and non-biodegradable pollutants.
  • Biodegradable pollutants can be decomposed into harmless substances by microbes.
  • Non-biodegradable pollutants resist biotic or abiotic degradation and persist in the environment.
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3. Air Pollution

  • Air pollution is an undesirable change in the physical or biological characteristics of air that may affect humans and other living organisms.
  • Main causes of air pollution include combustion, industries, pesticides, suspended particulate matter, hydrocarbons and radioactive materials.
  • Burning coal, firewood, oil and garbage produces gases like carbon dioxide, carbon monoxide, nitrogen oxide and smoke.
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4. Effects and Control of Air Pollution

  • Air pollution damages soft lung tissues and causes respiratory diseases.
  • Dust and carbon particles deposit on leaves and reduce photosynthesis.
  • Acid rain can have pH as low as 3.0.

Key Concepts

Central concept: Pollution

Definition of pollutionPollutantsPollutersMan as chief polluterTypes of pollutants by natural fateTypes of pollutants by chemical formAir pollutionWater pollution

Frequently Asked Questions

What are the important topics in Pollution for ICSE Class 10 Biology?
Pollution covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Pollution — ICSE Class 10 Biology?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and 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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