Plastids were first reported by

Options

A. Schimper
B. Sachs
C. Leeuwenhoek
D. Benda

Answer

**Step-by-Step Solution:**

1. **Understanding Plastids**: Plastids are organelles found in plant cells and some protists. They are involved in various functions, including photosynthesis, storage, and the synthesis of other important compounds.

2. **Etymology of Plastids**: The term "plastid" is derived from the Greek word "platicas," which means "molded." This indicates their role in the formation and storage of various substances within the cell.

3. **Historical Context**: The question asks about the first report of plastids. This requires knowledge of historical figures in cell biology.

4. **Identifying the Scientist**: The scientist who first reported plastids is **Afu Shimper**. He made this discovery in the year **1885**.

5. **Classification of Plastids**: Shimper classified plastids based on their structure, pigment, and function, which laid the groundwork for understanding their roles in plant cells.

6. **Evaluating Other Options**:
- Julius von Sachs is known for discovering the tissue system, not for reporting plastids.
- Luan Hawk is recognized for his work with bacteria, not plastids.
- Benda is known for naming mitochondria, not for plastids.

7. **Conclusion**: Based on the information, the correct answer to the question "Plastids were first reported by" is **Afu Shimper**.

**Final Answer**: Option A: Shimper

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