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

What is the unit of electric current?

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Which type of bond is present in sodium chloride?

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Which element has the highest electrical conductivity?

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What is the chemical formula of methane?

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Which disease is caused by the deficiency of vitamin C?

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

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

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Which gas is known as "laughing gas"?

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