Topic Details (Notes format)

Agrochemicals and Their Effects

Subject: General Science

Book: NCERT Biology Class 12

Study of chemicals used in agriculture and their impact.
- **Types of Agrochemicals**:
- Fertilizers, pesticides, herbicides.
- **Environmental and Health Concerns**:
- Pollution, biomagnification.
- **Organic Farming**:
- Sustainable alternatives.

**Possible Exam Questions:**
1. What are agrochemicals? Give examples.
2. Explain the harmful effects of excessive pesticide use.
3. How does biomagnification affect the food chain?
4. What are the advantages of organic farming?
5. Discuss the role of fertilizers in increasing crop yield.

Practice Questions

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