Topic Details (Notes format)

Environmental Issues

Subject: General Science

Book: NCERT Biology Class 12

Humans impact the environment through pollution and resource consumption.
- **Air and Water Pollution**:
- Causes and control measures.
- **Ozone Depletion and Global Warming**:
- Effects on climate.
- **Sustainable Development**:
- Conservation strategies.

**Possible Exam Questions:**
1. Explain the causes and effects of acid rain.
2. What is global warming? How can it be reduced?
3. Discuss the role of renewable energy sources in sustainability.
4. How does ozone depletion occur?
5. What are the methods to control water pollution?

Practice Questions

Which gas is released during photosynthesis?

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Which vitamin is responsible for blood clotting?

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What is the function of platelets in the human body?

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Which gas is used in the process of welding?

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Which disease is caused by the deficiency of vitamin C?

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Which gas is used in fire extinguishers?

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Which planet is known as the "Red Planet"?

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Which is the smallest bone in the human body?

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

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Which process converts glucose into energy in the human body?

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