Topic Details (Notes format)

Cell: Structure and Functions

Subject: General Science

Book: NCERT Science Class 8

The cell is the basic unit of life.
- **Types**:
- Plant cells (cell wall, chloroplast).
- Animal cells (no cell wall).
- **Cell Components**:
- Nucleus (controls activities).
- Cytoplasm (contains organelles).
- **Functions**:
- Growth, repair, reproduction.

**Possible Exam Questions:**
1. What is the difference between plant and animal cells?
2. How does the nucleus control cell activities?
3. What are the functions of different cell organelles?
4. Why is the cell called the basic unit of life?
5. Explain the process of cell division.

Practice Questions

Which part of the cell contains the genetic material?

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What is the largest organ in the human body?

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What is the function of platelets in the human body?

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What is the SI unit of temperature?

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Which metal is liquid at room temperature?

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Which gas is used in fire extinguishers?

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Which gas is most abundant in Earth’s atmosphere?

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What is the boiling point of water at standard atmospheric pressure?

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What is the approximate age of the Earth?

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What is the chemical symbol for gold?

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