Which one of the following produces antibiotics?

Options

A. Mucor
B. Rhizopus
C. Penicillium
D. Agaricus

Explanation

To answer the question "Which one of the following produces antibiotics?" we will analyze the options provided: Mucus, Rhizopus, Penicillium, and Agaricus.

### Step-by-Step Solution:

1. **Understanding Antibiotics**:
- Antibiotics are substances that can kill or inhibit the growth of bacteria. They are produced by certain microorganisms.

2. **Identifying the Options**:
- **Mucus**: This is not a microorganism; it is a secretion in the body that helps protect and lubricate surfaces.
- **Rhizopus**: This is a type of mold, commonly known as bread mold, but it does not produce antibiotics.
- **Penicillium**: This is a genus of fungi known for producing the antibiotic penicillin, which is effective against bacterial infections.
- **Agaricus**: This is a genus of mushrooms, commonly known as edible mushrooms, and does not produce antibiotics.

3. **Selecting the Correct Answer**:
- Among the options, **Penicillium** is the only organism that produces antibiotics, specifically penicillin.

### Final Answer:
The organism that produces antibiotics is **Penicillium**.

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