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 process converts glucose into energy in the human body?

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What is the most abundant element in the universe?

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Which is the smallest bone in the human body?

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What type of electromagnetic radiation has the longest wavelength?

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Which organelle is known as the "powerhouse of the cell"?

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What is the term for water changing from liquid to gas?

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Which vitamin is essential for calcium absorption?

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Which metal is liquid at room temperature?

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Which type of bond is present in sodium chloride?

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Which vitamin is responsible for blood clotting?

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