The cell as a basic unit of structure of living things was discovered by

Options

A. Robert Brown
B. Robert Hooke
C. Virchow
D. Schleiden

Answer

To solve the question regarding who discovered the cell as the basic unit of structure of living things, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Question**: The question asks who discovered the cell as the basic unit of structure in living things.

2. **Recall Historical Context**: The discovery of the cell is a significant milestone in biology. It is important to know the key figures in this discovery.

3. **Consider the Options**: The options provided are:
- A. Robert Brown
- B. Robert Hooke
- C. Vercoe
- D. Sladen

4. **Evaluate Each Option**:
- **Robert Brown**: He is known for discovering the nucleus in cells, but not for the discovery of the cell itself.
- **Robert Hooke**: He is credited with the discovery of the cell in 1665 when he observed cork cells under a microscope. He described them as "cells" due to their resemblance to small rooms (cells) occupied by monks.
- **Vercoe and Sladen**: These names are not typically associated with the discovery of the cell.

5. **Conclusion**: Based on the historical context and evaluation of the options, Robert Hooke is the correct answer as he was the first to describe cells in his book "Micrographia".

### Final Answer:
The cell as a basic unit of structure of living things was discovered by **B. Robert Hooke**.

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