The antibiotic cephalosporin is obtained from a species of:

Options

A. algae
B. bacillus
C. fungus
D. streptomyces

Answer

To solve the question regarding the source of the antibiotic cephalosporin, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the source of the antibiotic cephalosporin. We need to identify which organism produces this antibiotic.

2. **Analyze the Options**: The options provided are:
- Algae
- Bacillus
- Fungi
- Streptomyces

3. **Identify the Correct Source**:
- Cephalosporin is known to be derived from a specific species of fungi. The species that produces cephalosporin is **Acremonium chrysogenum**.
- This species is classified under fungi, which is a key point in identifying the correct answer.

4. **Understand the Nature of Cephalosporin**:
- Cephalosporin is classified as a **beta-lactam antibiotic**. This means it contains a beta-lactam ring in its molecular structure, which is crucial for its antibiotic activity.

5. **Production Process**:
- The production of cephalosporin involves fermentation. The fungi are cultivated in a bioreactor where they undergo fermentation to produce the antibiotic.

6. **Conclusion**: Based on the information gathered, the correct answer to the question is that cephalosporin is obtained from a species of **fungi**.

### Final Answer:
The antibiotic cephalosporin is obtained from a species of **fungi**.

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