Topic Details (Notes format)

Ecosystem

Subject: General Science

Book: NCERT Biology Class 12

Interaction of living organisms with the environment.
- **Components of an Ecosystem**:
- Biotic and abiotic.
- **Energy Flow in Ecosystem**:
- Food chains and pyramids.
- **Ecological Succession**:
- Types and importance.

**Possible Exam Questions:**
1. Define the components of an ecosystem.
2. Explain energy transfer in a food chain.
3. What is ecological succession? Give an example.
4. Discuss the different types of ecological pyramids.
5. How do human activities affect ecosystems?

Practice Questions

Which planet has the strongest gravitational force?

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What type of electromagnetic radiation has the longest wavelength?

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Which organelle is known as the "powerhouse of the cell"?

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Which particle is responsible for the negative charge of an atom?

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What is the main purpose of stomata in plants?

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What is the chemical formula for carbon dioxide?

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Which process separates light into its component colors?

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What is the main function of the ozone layer?

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Which is the smallest bone in the human body?

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What is the smallest unit of life?

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