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Environment - Economic Development

Telangana Open School (TOSS) · Class 12 · Economics

Quick revision notes for Environment - Economic Development — Telangana Open School (TOSS) Class 12 Economics. Key concepts, formulas, and definitions for last-minute revision.

44 questions30 flashcards4 concepts

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Key Topics to Revise

1

Environment and Its Components

  • Environment refers to all conditions and elements surrounding living organisms.
  • It includes both living (animate) and non-living (inanimate) components.
  • Animate components: plants, animals, humans, microorganisms.
2

Ecosystem and Its Types

  • An ecosystem is a complex system of living and non-living things interacting with each other.
  • It includes cycles like water, carbon, oxygen, and nitrogen, along with energy flow and food chains.
  • Natural ecosystems function without human intervention (e.g., forests, lakes).
3

Environmental Pollution

  • Pollution occurs when harmful substances exceed natural levels in the environment.
  • Pollutants are classified as non-degradable (e.g., nuclear waste), degradable (e.g., vegetable waste), and slow-degrading (e.g., DDT, plastic).
  • Main types: Water, Air, and Noise Pollution.
4

Environmental Degradation and Conservation

  • Land degradation due to deforestation, overuse of chemicals, and urbanization.
  • Deforestation driven by agriculture, industries, fuelwood, and population growth.
  • Soil erosion caused by floods, wind, overgrazing, and mining.

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Full Notes

Key Concepts

The environment refers to allAn ecosystem is a complex systemPollution occurs when harmful substancesSustainable development means meeting current needs

Frequently Asked Questions

What are the important topics in Environment - Economic Development for Telangana Open School (TOSS) Class 12 Economics?
Environment - Economic Development covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Environment - Economic Development — Telangana Open School (TOSS) Class 12 Economics?
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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