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 is the primary function of white blood cells?

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What is the chemical symbol for the element iron?

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Which gas is known as "laughing gas"?

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What type of electromagnetic radiation has the longest wavelength?

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Which metal is liquid at room temperature?

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Which of the following is a fundamental force in nature?

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Which disease is caused by the deficiency of vitamin C?

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What is the primary source of energy for life on Earth?

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What is the main function of the ozone layer?

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Which organ is responsible for detoxifying harmful substances in the human body?

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