Fumgus used for the fermentation of cheese is

Options

A. Mucor mucedo
B. Rhizopus nigricans
C. Penicillium camemberti
D. Penicillium chrysogenum.

Answer

### Step-by-Step Solution

1. **Identify the Question**: The question asks for the specific fungus used in the fermentation of cheese.

2. **Review the Options**: The options provided are:
- Mucormycidia
- Rhizopus nigricans
- Penicillium camembertii
- Penicillium chrysogenum

3. **Analyze Each Option**:
- **Mucormycidia**: This fungus is known to be pathogenic and toxic to humans if ingested. Therefore, it is not used in cheese fermentation.
- **Rhizopus nigricans**: Commonly known as black mold, this fungus typically grows on stale bread and is not suitable for cheese production.
- **Penicillium camembertii**: This is a specific strain of fungus used in the fermentation of cheese, particularly in the production of Camembert cheese. It contributes to the flavor and texture of the cheese.
- **Penicillium chrysogenum**: Known for producing the antibiotic penicillin, this fungus is not used in cheese fermentation.

4. **Select the Correct Answer**: Based on the analysis, the correct fungus used for the fermentation of cheese is **Penicillium camembertii**.

5. **Conclusion**: The answer to the question is **Penicillium camembertii**.