Term Antibiotics was introduced by S.A. Waksman. Which species produce more than 60 antibiotics

Options

A. Streptomyces griseus
B. Bacillus subtilis
C. Penicillium notatum
D. Pseudomonas

Answer

**Step-by-Step Solution:**

1. **Understanding Antibiotics**: Antibiotics are substances that inhibit the growth of or kill bacteria. They are crucial in treating bacterial infections.

2. **Historical Context**: The term "antibiotics" was introduced by S.A. Waksman, who was instrumental in discovering various antibiotics through his research on soil bacteria.

3. **Key Species**: Among the various species of bacteria, some are known to produce multiple antibiotics. The question specifically asks for a species that produces more than 60 antibiotics.

4. **Identifying the Correct Species**:
- The species that is well-known for producing a large number of antibiotics is **Bacillus subtilis**.
- Other species like *Streptomyces* are also known for antibiotic production, but Bacillus subtilis is the one that produces more than 60 different types.

5. **Conclusion**: Therefore, the correct answer to the question is **Bacillus subtilis**.

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