Name of Schleiden and Schwann are associated with

Options

A. protoplasm as the physical basis of life
B. cell theory
C. theory of cell lineage
D. nucleus functions as control centre of cell

Explanation

**Step-by-Step Solution:**

1. **Identify the Individuals**: The names Schleiden and Schwann refer to two prominent scientists in the field of biology. Matthias Schleiden was a botanist, and Theodor Schwann was a zoologist.

2. **Understand Their Contribution**: Schleiden and Schwann are best known for their contributions to the development of the cell theory. Schleiden studied plant cells, while Schwann studied animal cells.

3. **Define Cell Theory**: The cell theory states that all living organisms are composed of cells, and that the cell is the basic unit of life. It also posits that all cells arise from pre-existing cells.

4. **Conclusion**: Based on their observations and research, Schleiden and Schwann formulated the principles of cell theory, which is a fundamental concept in biology.

5. **Final Answer**: The names of Schleiden and Schwann are associated with the **cell theory**.

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