Which of the following ascomycetes is the source of antibiotic?

Options

A. Neurospora
B. Penicillium
C. Claviceps
D. None

Answer

To answer the question "Which of the following ascomycetes is the source of antibiotic?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for an ascomycete that is known to be a source of antibiotics. Ascomycetes are a group of fungi characterized by the production of ascospores.

2. **Identify the Options**: The options provided are:
- Option 1: Neurospora
- Option 2: Penicillium
- Option 3: Clevisaps
- Option 4: None

3. **Recall Information About Each Option**:
- **Neurospora**: This is primarily used in genetic experiments and is not known for antibiotic production.
- **Penicillium**: This genus is well-known for producing the antibiotic penicillin, which was discovered by Alexander Fleming.
- **Clevisaps**: Some species may produce algae, but they are not recognized for antibiotic production.
- **None**: This option implies that none of the listed organisms produce antibiotics.

4. **Determine the Correct Answer**: Based on the information recalled, Penicillium is the only option that is recognized as a source of antibiotics, specifically penicillin.

5. **Conclusion**: Therefore, the correct answer to the question is **Option 2: Penicillium**.

### Final Answer:
**Penicillium** is the source of antibiotics among the given ascomycetes.

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