select the incorrect match

Options

A. prions - stanley
B. Viroids - Diener
C. Virus - M.W. Beijerinick
D. Virusoids - Randle

Answer

To solve the question of selecting the incorrect match between the organisms and their respective discoverers, we will analyze each option step by step.

### Step-by-Step Solution:

1. **Identify the Organism and Discoverer Pairs**:
- We have four pairs to analyze:
- Prions - Stanley
- Viroids - Diner
- Viruses - M.W. Beijerinck
- Virusoids - Randle

2. **Verify Each Pair**:
- **Prions - Stanley**:
- Stanley Prusiner is indeed credited with the discovery of prions. This match is correct.
- **Viroids - Diner**:
- The discovery of viroids is attributed to Theodor Otto Diener. This match is also correct.
- **Viruses - M.W. Beijerinck**:
- M.W. Beijerinck is known for his work on viruses, but he did not discover the first virus. The first virus (Tobacco Mosaic Virus) was discovered by Dmitri Ivanovsky in 1892. Therefore, this match is incorrect.
- **Virusoids - Randle**:
- Virusoids were discovered by Randle. This match is correct.

3. **Conclusion**:
- The incorrect match is the one between viruses and M.W. Beijerinck. The correct discoverer of the first virus is Dmitri Ivanovsky.

### Final Answer:
The incorrect match is **Viruses - M.W. Beijerinck** (Option C).

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