Select the wrong statement :

Options

A. Mosaic disease in tobacco and AIDS in human being are caused by virsuses
B. The virouds were disocvered by D.J lvanowski
C. W.M Stanley showed that viruses could by crystallized
D. The term contagium vivum fluidum was coined by M.W. Beijerinek

Answer

To solve the question "Select the wrong statement," we will analyze each option provided and determine which statement is incorrect.

### Step-by-Step Solution:

1. **Analyze the first statement about Mosaic Disease in Tobacco:**
- The statement claims that mosaic disease in tobacco is caused by the Tobacco Mosaic Virus (TMV).
- This statement is **true** because TMV is indeed the virus responsible for the mosaic disease in tobacco plants.

2. **Analyze the second statement regarding AIDS:**
- The statement claims that AIDS in humans is caused by the Human Immunodeficiency Virus (HIV).
- This statement is also **true** as HIV is the virus that leads to AIDS.

3. **Analyze the third statement about Varioids:**
- The statement claims that varioids were discovered by DJ Ivanovsky.
- This statement is **false** because varioids were actually discovered by Theodore O. Diner. Therefore, this is the incorrect statement.

4. **Analyze the fourth statement regarding W. M. Stanley:**
- The statement claims that W. M. Stanley showed that viruses could be crystallized.
- This statement is **true**; W. M. Stanley was known for his work on the crystallization of viruses.

5. **Analyze the fifth statement about the term "contagium vivum fluidum":**
- The statement claims that the term "contagium vivum fluidum" was coined by M. W. Benjamin.
- This statement is **true**; M. W. Benjamin did coin this term to describe the nature of viruses.

### Conclusion:
The only incorrect statement among the options provided is the one regarding varioids being discovered by DJ Ivanovsky. The correct answer is the statement about varioids.

### Final Answer:
The wrong statement is: "Varioids were discovered by DJ Ivanovsky."

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