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 process describes the splitting of a nucleus into smaller nuclei?

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What is the main component of natural gas?

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What is the approximate age of the Earth?

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Which part of the brain is responsible for balance and coordination?

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What type of bond is formed by sharing electrons between atoms?

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What is the unit of force in the SI system?

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What is the atomic number of hydrogen?

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