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 metal is liquid at room temperature?

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

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Which component of blood carries oxygen?

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What is the largest organ in the human body?

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Which type of bond is present in sodium chloride?

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What type of energy is stored in a stretched rubber band?

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What is the smallest unit of life?

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Which scientist is known for the laws of motion?

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Which vitamin is essential for calcium absorption?

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