Streptomyces fradiae produces:

Options

A. Aureomycin
B. Terramycin
C. Neomycin
D. Erythromycin

Answer

To answer the question "Streptomyces fradiae produces:", we will evaluate each of the provided options and identify which antibiotic is produced by Streptomyces fradiae.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- A) Oromycin
- B) Teramycin
- C) Neomycin
- D) Erythromycin

2. **Evaluate Option A: Oromycin**:
- Oromycin is produced by a different species of Streptomyces, specifically Streptomyces oryzae.
- Therefore, this option is incorrect.

3. **Evaluate Option B: Teramycin**:
- Teramycin is a brand name for tetracycline antibiotics and is derived from Streptomyces ramosus.
- Since it is not produced by Streptomyces fradiae, this option is also incorrect.

4. **Evaluate Option C: Neomycin**:
- Neomycin is an antibiotic that is used to prevent infections, especially during surgeries and to manage hepatic coma symptoms.
- It is produced by Streptomyces fradiae.
- Therefore, this option is correct.

5. **Evaluate Option D: Erythromycin**:
- Erythromycin is produced by Streptomyces erythreus, not by Streptomyces fradiae.
- Hence, this option is incorrect.

6. **Conclusion**: After evaluating all the options, the correct answer is that Streptomyces fradiae produces **Neomycin**.

### Final Answer:
Streptomyces fradiae produces **Neomycin**.