Cell theory was propounded by

Options

A. A botanist
B. A zoologist
C. Both a botanist and a zoologist
D. A psychologist

Answer

**Step-by-Step Solution:**

1. **Understanding Cell Theory**: The cell theory is a fundamental concept in biology that states that all living organisms are composed of cells, which are the basic units of life.

2. **Identifying Key Scientists**: The cell theory was primarily formulated by two scientists: Matthias Schleiden and Theodor Schwann. Schleiden was a botanist who studied plant tissues, while Schwann was a zoologist who studied animal tissues.

3. **Role of Schleiden**: Schleiden proposed that all plant tissues are made up of cells, emphasizing the importance of cells in plant biology.

4. **Role of Schwann**: Schwann extended this idea to animals, stating that all animal tissues are also composed of cells.

5. **Conclusion**: Therefore, the cell theory was propounded by both a botanist (Schleiden) and a zoologist (Schwann).

6. **Final Answer**: The correct answer to the question is option C, which states both a botanist and a zoologist.

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