Topic Details (Notes format)

Water: A Precious Resource

Subject: General Science

Book: NCERT Science Class 7

Water is essential for life and must be conserved.
- **Uses of Water**:
- Drinking, agriculture, industry.
- **Water Cycle**:
- Evaporation, condensation, precipitation.
- **Water Scarcity**:
- Overuse, pollution, climate change affect availability.

**Possible Exam Questions:**
1. Explain the steps of the water cycle.
2. Why is water conservation important?
3. How does groundwater depletion affect agriculture?
4. What are the causes of water scarcity?
5. Discuss methods to save water.

Practice Questions

What is the pH of pure water at 25°C?

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What is the chemical formula of water?

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Which part of the plant conducts water?

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Which part of the cell is responsible for energy production?

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What is the largest organ in the human body?

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Which organ in the human body produces bile?

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What type of macromolecule is an enzyme?

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Which process converts glucose into energy in the human body?

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Which part of the cell contains the genetic material?

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What is the main component of the human skeleton?

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