Chapter 23 of 24
Revision Notes
Environment and Sustainable Development — Revision Notes
NIOS · Class 10 · Economics
Environment and Sustainable Development revision notes for NIOS Class 10 Economics: 4 topics in quick points. Part of the NIOS Class 10 Economics syllabus.
62 questions35 flashcards5 concepts
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Key Topics to Revise
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1. Environment: Meaning and Importance
- The environment includes both biotic and abiotic components.
- Biotic elements are living parts such as birds, animals, plants, and forests.
- Abiotic elements are non-living parts such as air, water, rocks, and the sun.
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2. Resources: Renewable and Non-renewable
- Renewable resources are replenished easily over time and can be used without possibility of depletion.
- Trees in forests and fishes in the ocean are renewable resources.
- Non-renewable resources can get exhausted or depleted over time as they are used up.
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3. Pollution
- Pollution is an undesirable change in the quality of a natural resource or ecosystem.
- A pollutant is a waste material or substance that causes this undesirable change.
- Pollution may harm life immediately or over a long period.
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4. Air Pollution
- Air pollution causes difficulty in breathing, wheezing, coughing, and aggravation of respiratory and cardiac conditions.
- Worldwide more deaths per year are linked to air pollution than to automobile accidents.
- The World Health Organization states that 2.4 million people die each year from causes directly attributable to air pollution.
Get complete notes with diagrams and examples
Full NotesKey Concepts
The environment includes all livingRenewable resources are replenished easily overNonPollution is an undesirable changeMajor air pollutants include sulphur oxides
Frequently Asked Questions
What are the important topics in Environment and Sustainable Development for NIOS Class 10 Economics?
Key topics in Environment and Sustainable Development include Environment: Meaning and Importance, Resources: Renewable and Non-renewable, Pollution, Air Pollution. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Environment and Sustainable Development for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 62 practice questions on Environment and Sustainable 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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