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

What is the chemical formula for carbon dioxide?

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Which gas is most abundant in Earth’s atmosphere?

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What type of electromagnetic radiation has the longest wavelength?

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What is the term for an organism that can make its own food?

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Which organelle is known as the "powerhouse of the cell"?

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What type of macromolecule is an enzyme?

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What is the chemical formula of methane?

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Which gas is released during photosynthesis?

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What is the chemical formula of sulfuric acid?

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

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