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

What is the unit of force in the SI system?

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Which process converts glucose into energy in the human body?

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What is the chemical formula of sulfuric acid?

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Which disease is caused by the deficiency of vitamin C?

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

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Which part of the plant conducts water?

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Which gas is used in fire extinguishers?

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Which disease is caused by a virus?

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Which type of bond is present in sodium chloride?

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Which gas is most abundant in Earth’s atmosphere?

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