The conidia of Penicillium are

Options

A. Thick walled, uninucleate
B. Thin walled, uni-or multinucleate
C. Thick walled, multinucleate
D. Thin or thick walled, multinucleate

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question refers to the conidia of Penicillium, which is a type of fungus belonging to the genus Ascomycetes.

2. **Understand Conidia**: Conidia are asexual spores produced by certain fungi, including Penicillium. They are involved in the asexual reproduction of the organism.

3. **Characteristics of Conidia**:
- **Unicellular**: Conidia are typically unicellular, meaning they consist of a single cell.
- **Uninucleated**: Each conidium contains a single nucleus.
- **Thick-walled**: The walls of conidia are thick, providing protection.
- **Unbranched**: Conidia are usually unbranched, meaning they do not have multiple branches.

4. **Conclusion**: Based on the characteristics of conidia, we can conclude that the conidia of Penicillium are thick-walled, unicellular, uninucleated, and unbranched.

5. **Final Answer**: The correct description of the conidia of Penicillium is that they are thick-walled and uninucleated.

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