Carbon Cycle and Nitrogen Cycle Definition, Types, Examples & Uses

Carbon Cycle and Nitrogen Cycle

Subject: General Science

Book: NCERT Science Class 10

The carbon and nitrogen cycles maintain ecological balance.
- **Carbon Cycle**:
- Movement of carbon through respiration, photosynthesis, decomposition.
- **Nitrogen Cycle**:
- Fixation, nitrification, denitrification by bacteria.
- **Human Impact**:
- Pollution affecting these cycles.

**Possible Exam Questions:**
1. Explain the steps involved in the carbon cycle.
2. How does nitrogen fixation occur in nature?
3. What role do bacteria play in the nitrogen cycle?
4. Discuss the impact of pollution on the carbon cycle.
5. Why is the nitrogen cycle important for agriculture?