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Revision Notes
Environment - Economic Development — Revision Notes
Telangana Open School (TOSS) · Class 12 · Economics
Environment - Economic Development revision notes for Telangana Open School (TOSS) Class 12 Economics: 4 topics in quick points.
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 NotesKey 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?
Key topics in Environment - Economic Development include Environment and Its Components, Ecosystem and Its Types, Environmental Pollution, Environmental Degradation and Conservation. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Environment - Economic Development for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Environment - Economic Development. 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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