The smallest organelle in the cell is:

Options

A. lysosomes
B. ribosomes
C. centrosomes
D. chromosomes

Explanation

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for the smallest organelle in the cell. An organelle is a specialized structure within a cell that performs a specific function.

2. **Review the Options**: The options provided are:
- A) Lysosomes
- B) Ribosomes
- C) Centrosomes
- D) Chromosomes

3. **Analyze Each Option**:
- **Lysosomes**: These are known as the "suicidal bags" of the cell, responsible for breaking down waste materials and cellular debris. They are not the smallest organelles.
- **Ribosomes**: These are the sites of protein synthesis in the cell. They are indeed the smallest organelles, typically measuring around 20-30 nanometers in diameter.
- **Centrosomes**: These are involved in cell division and are composed of two centrioles. They are larger than ribosomes.
- **Chromosomes**: These structures carry genetic information (DNA) and are much larger than ribosomes.

4. **Conclusion**: After analyzing all the options, it is clear that ribosomes are the smallest organelles in the cell.

5. **Final Answer**: The smallest organelle in the cell is **Ribosomes**.

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