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 type of electromagnetic radiation has the longest wavelength?

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Which law states that energy cannot be created or destroyed?

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What is the SI unit of temperature?

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Which gas is commonly used in balloons to make them float?

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What is the chemical symbol for gold?

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

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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 vitamin is essential for calcium absorption?

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