Topic Details (Notes format)

Human Health and Disease

Subject: General Science

Book: NCERT Biology Class 12

Study of diseases and immune responses.
- **Types of Diseases**:
- Infectious, non-infectious.
- **Immunity**:
- Innate and acquired.
- **Vaccination and Prevention**:
- Role of vaccines.

**Possible Exam Questions:**
1. What is the difference between innate and acquired immunity?
2. Explain the process of vaccination.
3. Discuss the causes and prevention of malaria.
4. What is AIDS? How does it affect the immune system?
5. What are the different types of immunity?

Practice Questions

Which disease is caused by the deficiency of vitamin C?

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What is the largest organ in the human body?

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What is the unit of electrical resistance?

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What is the unit of electric current?

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What is the main purpose of stomata in plants?

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Which particle is responsible for the negative charge of an atom?

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What is the chemical symbol for gold?

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Which type of bond is present in sodium chloride?

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Which gas is released during photosynthesis?

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Which organelle is responsible for photosynthesis in plants?

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