Topic Details (Notes format)

Cell: The Unit of Life

Subject: General Science

Book: NCERT Biology Class 11

The cell is the fundamental unit of life.
- **Types of Cells**:
- Prokaryotic (Bacteria) vs. Eukaryotic (Plants, Animals).
- **Cell Organelles and Functions**:
- Nucleus (Controls cell activities).
- Mitochondria (Energy production).
- Ribosomes (Protein synthesis).

**Possible Exam Questions:**
1. Compare prokaryotic and eukaryotic cells.
2. What are the functions of mitochondria?
3. Explain the structure and function of the nucleus.
4. What is the role of ribosomes in protein synthesis?
5. How do plant and animal cells differ?

Practice Questions

What is the primary source of energy for life on Earth?

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Which vitamin is responsible for blood clotting?

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Which component of blood carries oxygen?

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What type of bond is formed by sharing electrons between atoms?

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

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What is the atomic number of hydrogen?

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What is the unit of force in the SI system?

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Which type of bond is present in sodium chloride?

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Which is the smallest bone in the human body?

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

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