The term virus was coined by

Options

A. Ivanowski
B. Beijerink
C. Pasteur
D. Loeffler and Frosch.

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks about the origin of the term "virus." We need to identify which scientist first coined this term.

2. **Identifying Key Scientists**: Several scientists have contributed to the study of viruses. Notable figures include:
- Dmitri Ivanovsky: Recognized certain microbes as the cause of the tobacco mosaic disease (TMV).
- Louis Pasteur: Developed the first vaccines against viral infections.
- Edward Jenner: Known for creating the first vaccine for smallpox.
- Friedrich Loeffler and Paul Frosch: Identified the virus causing foot-and-mouth disease.

3. **Finding the Correct Scientist**: Among these scientists, the one who specifically coined the term "virus" is:
- **Beijerinck**: He asserted the term "virus" and described it as a "contagious living fluid."

4. **Conclusion**: Therefore, the correct answer to the question is that the term "virus" was coined by Beijerinck.

**Final Answer**: The term virus was coined by Beijerinck.

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