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Geographical Perspective on Selected Issues and Problems

CBSE · Class 12 · Geography

Quick revision notes for Geographical Perspective on Selected Issues and Problems — CBSE Class 12 Geography. Key concepts, formulas, and definitions for last-minute revision.

43 questions20 flashcards5 concepts

Key Topics to Revise

1

Environmental Pollution - Types and Sources

  • Environmental pollution results from release of substances and energy from human activities
  • Four main types: Air pollution, Water pollution, Land pollution, and Noise pollution
  • Classification based on medium through which pollutants are transported
2

Water Pollution and River Conservation

  • Surface water sources in India are mostly contaminated and unfit for human consumption
  • Water pollution causes diseases like diarrhea, intestinal worms, hepatitis
  • WHO reports 1/4th of communicable diseases in India are water-borne
3

Air and Noise Pollution

  • Air pollution involves addition of contaminants like dust, fumes, gas, smoke in harmful proportions
  • Main sources: combustion of fossil fuels, mining, and industries
  • Releases oxides of sulphur and nitrogen, hydrocarbons, CO2, CO, lead, asbestos
4

Solid Waste Management

  • Solid waste includes old metals, broken glass, plastic containers, polythene bags, ash, CDs
  • Two main sources: household/domestic and industrial/commercial establishments
  • Household waste disposed on public lands or private contractor sites

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Full Notes

Key Concepts

The release of harmful substancesContamination of water bodies dueAddition of harmful contaminants like dustIssues arising from rapid urbanization includingTemporary or permanent decline in land's

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What are the important topics in Geographical Perspective on Selected Issues and Problems for CBSE Class 12 Geography?

Geographical Perspective on Selected Issues and Problems covers several key topics that are frequently asked in CBSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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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All 17 chapters — CBSE Class 12 Geography Revision Notes