Cell arises from pre-existing cell was states by

Options

A. Lamarck
B. Virchow
C. Schwann
D. Darwing

Answer

To answer the question "Cell arises from pre-existing cells" was stated by which scientist, we can follow these steps:

### Step 1: Understand the Question
The question is asking about the origin of cells and which scientist proposed that cells come from pre-existing cells.

### Step 2: Analyze the Options
We have four options:
- A. Lamarck
- B. Virchow
- C. Schwann
- D. Darwin

### Step 3: Review Each Scientist's Contribution
- **A. Lamarck**: Known for his theory of evolution (Lamarckism), which does not relate to cell theory.
- **B. Virchow**: Proposed that all cells arise from pre-existing cells, which is a key concept in cell theory.
- **C. Schwann**: Contributed to the cell theory by stating that all animal tissues are made of cells but did not specifically state that cells arise from pre-existing cells.
- **D. Darwin**: Known for the theory of natural selection, which is unrelated to cell theory.

### Step 4: Identify the Correct Answer
Based on the analysis, **B. Virchow** is the correct answer as he stated that "cells arise from pre-existing cells."

### Final Answer
The correct answer is **B. Virchow**.

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