Topic Details (Notes format)

Evolution and Natural Selection

Subject: General Science

Book: NCERT Biology Class 12

Study of changes in species over time.
- **Darwin’s Theory of Evolution**:
- Natural selection and survival of the fittest.
- **Evidences of Evolution**:
- Fossil records, homologous structures.
- **Genetic Drift and Speciation**:
- Role in biodiversity.

**Possible Exam Questions:**
1. Explain Darwin’s theory of natural selection.
2. What is the role of genetic drift in evolution?
3. Discuss the evidence supporting evolution.
4. What is speciation? How does it occur?
5. Differentiate between homologous and analogous organs.

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