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 chemical symbol for the element iron?

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Which organ stores and releases glucose in the human body?

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Which type of radiation has the shortest wavelength?

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What is the chemical symbol for gold?

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Which component of blood carries oxygen?

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Which of the following is a fundamental force in nature?

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What is the term for an organism that can make its own food?

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Which organ regulates blood sugar levels in the human body?

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What is the unit of electrical resistance?

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What is the approximate age of the Earth?

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