Topic Details (Notes format)

Natural Resources

Subject: General Science

Book: NCERT Science Class 9

Natural resources are materials provided by Earth used for human needs.
- **Types of Natural Resources**:
- Renewable (water, forests).
- Non-renewable (coal, petroleum).
- **Conservation of Resources**:
- Sustainable practices, recycling.
- **Human Impact**:
- Pollution, deforestation, climate change.

**Possible Exam Questions:**
1. What are the different types of natural resources?
2. How does deforestation affect biodiversity?
3. What are the causes and effects of climate change?
4. Discuss methods for conservation of natural resources.
5. Why is sustainable development important?

Practice Questions

Which metal is liquid at room temperature?

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What is the term for an organism that can make its own food?

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Which acid is found in the human stomach?

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What is the pH of pure water at 25°C?

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Which vitamin is responsible for blood clotting?

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Which is the smallest bone in the human body?

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What is the chemical formula for carbon dioxide?

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Which gas is known as "laughing gas"?

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What is the main function of the ozone layer?

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Which gas is released during photosynthesis?

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