Topic Details (Notes format)

Immunology and Human Defense Mechanisms

Subject: General Science

Book: NCERT Biology Class 12

Study of immune system and disease resistance.
- **Types of Immunity**:
- Innate and acquired.
- **Antibodies and Vaccination**:
- Role in disease prevention.
- **Autoimmune Disorders**:
- Immune system malfunctions.

**Possible Exam Questions:**
1. Differentiate between innate and acquired immunity.
2. Explain the role of antibodies in immune response.
3. How do vaccines work to prevent diseases?
4. What are autoimmune diseases? Give examples.
5. Discuss the structure and function of the human lymphatic system.

Practice Questions

Which part of the human eye is responsible for focusing light on the retina?

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Which organ in the human body produces bile?

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Which process separates light into its component colors?

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Which acid is found in the human stomach?

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Which disease is caused by a virus?

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What is the pH of pure water at 25°C?

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Which gas is used in fire extinguishers?

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What is the atomic number of hydrogen?

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Which vitamin is essential for calcium absorption?

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What is the main purpose of stomata in plants?

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