Topic Details (Notes format)

Evolution

Subject: General Science

Book: NCERT Biology Class 12

Study of the origin and development of life.
- **Darwin’s Theory**:
- Natural selection.
- **Genetic Variations**:
- Mutation, recombination.
- **Evidence for Evolution**:
- Fossil records, homologous structures.

**Possible Exam Questions:**
1. Explain Darwin’s theory of natural selection.
2. What is the role of genetic variations in evolution?
3. Discuss the importance of fossils in evolutionary studies.
4. What is adaptive radiation? Give an example.
5. Differentiate between homologous and analogous structures.

Practice Questions

What type of energy is stored in a stretched rubber band?

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

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What is the most abundant gas in the Sun?

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Which organelle is responsible for photosynthesis in plants?

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Which element is the most abundant in the Earth’s crust?

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Which part of the cell contains the genetic material?

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What is the unit of frequency?

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Which law states that energy cannot be created or destroyed?

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What type of macromolecule is an enzyme?

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What is the chemical formula of water?

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