Topic Details (Notes format)

Ecosystem and Energy Flow

Subject: General Science

Book: NCERT Biology Class 12

Study of energy transfer in ecological systems.
- **Food Chains and Food Webs**:
- Trophic levels and their roles.
- **Ecological Pyramids**:
- Pyramid of energy, biomass, numbers.
- **Energy Flow in Ecosystems**:
- Primary and secondary production.

**Possible Exam Questions:**
1. Define food chain and food web with examples.
2. What are the different types of ecological pyramids?
3. Explain the process of energy flow in an ecosystem.
4. How does human activity impact the energy flow in ecosystems?
5. Discuss the significance of trophic levels in an ecosystem.

Practice Questions

Which scientist is known for the laws of motion?

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Which process describes the splitting of a nucleus into smaller nuclei?

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Which law states that energy cannot be created or destroyed?

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What is the most common state of matter in the universe?

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

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What is the chemical symbol for gold?

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What is the chemical name of table salt?

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What is the chemical formula of methane?

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