Cell theory was put forward by

Options

A. Schleiden
B. Schwann
C. Schleiden and Sachwann
D. Sachs

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 structural and functional units of life.

2. **Identifying the Scientists**: The cell theory was formulated by two scientists: Matthias Schleiden and Theodor Schwann. Schleiden proposed that all plant tissues are made up of cells, while Schwann stated that all animal tissues are composed of cells.

3. **Combining Their Contributions**: The contributions of Schleiden and Schwann in the 1830s led to the formulation of the cell theory, which emphasizes that all living things are made of cells.

4. **Choosing the Correct Option**: From the options given in the question, the correct answer is "C. Schleiden and Schwann" as they are the ones who put forward the cell theory.

5. **Final Answer**: Therefore, the answer to the question "Cell theory was put forward by" is option C: Schleiden and Schwann.

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