Topic Details (Notes format)

Photosynthesis

Subject: General Science

Book: NCERT Biology Class 12

Process of light energy conversion into chemical energy.
- **Light and Dark Reactions**:
- Photochemical and biosynthetic phases.
- **Chlorophyll and Pigments**:
- Role in capturing sunlight.
- **Factors Affecting Photosynthesis**:
- Light, CO₂, temperature.

**Possible Exam Questions:**
1. Explain the mechanism of the light-dependent reactions.
2. What are the differences between C3 and C4 plants?
3. How does CO₂ concentration affect photosynthesis?
4. What is the significance of the Calvin cycle?
5. Discuss the role of chlorophyll in photosynthesis.

Practice Questions

Which part of the human eye is responsible for focusing light on the retina?

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

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What is the chemical symbol for the element iron?

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What is the unit of electrical resistance?

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What is the chemical formula of methane?

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Which process separates light into its component colors?

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What is the most abundant gas in the Sun?

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Which organ is responsible for detoxifying harmful substances in the human body?

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

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What is the chemical formula for carbon dioxide?

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