Choose the wrong statement.

Options

A. Neurospora is used in the study of biochemical genetics .
B. Morels and truffles are poisonous mushrooms
C. Yeast is unicellular and useful in fermentation
D. Penicillium is multicellular and produces antibiotcs.

Answer

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

### Step-by-Step Solution:

1. **Analyze Option 1**:
- **Statement**: "Neurospora is used in the study of biochemical genetics."
- **Explanation**: Neurospora is indeed a genus of fungi (specifically ascomycete fungi) that is widely used as a model organism in genetic studies, particularly in biochemical genetics. This statement is **correct**.

2. **Analyze Option 2**:
- **Statement**: "Morals and truffles are poisonous mushrooms."
- **Explanation**: Morals (morels) and truffles are known to be edible mushrooms. They are not poisonous. This statement is **incorrect**.

3. **Analyze Option 3**:
- **Statement**: "Yeast is a unicellular fungus used in fermentation."
- **Explanation**: Yeast is indeed a unicellular fungus that plays a crucial role in fermentation processes, such as in the production of alcohol and bread. This statement is **correct**.

4. **Analyze Option 4**:
- **Statement**: "Penicillium is a type of fungus and it is multicellular."
- **Explanation**: Penicillium is a genus of fungi that is multicellular and is well-known for its role in producing the antibiotic penicillin. This statement is **correct**.

### Conclusion:
After analyzing all the options, we find that the wrong statement is **Option 2**: "Morals and truffles are poisonous mushrooms."

### Final Answer:
The wrong statement is **Option 2**.

---