The maximum number of antibiotics are obtained from

Options

A. Streptomyces fradiae
B. S. rimous
C. S. nodosus
D. S. griseus

Answer

**Step-by-Step Solution:**

1. **Understanding Antibiotics**:
- Antibiotics are chemical substances that are produced by microorganisms. They have the ability to kill or inhibit the growth of harmful bacteria. The term "antibiotic" literally means "against life," referring to their action against bacteria.

2. **Identifying the Source of Antibiotics**:
- Antibiotics are primarily produced by two types of microorganisms: bacteria and fungi.

3. **Key Organisms Producing Antibiotics**:
- Among the various microorganisms, certain bacteria are known for their prolific production of antibiotics.
- The bacterium **Bacillus subtilis** is known to produce a significant number of different antibiotics, specifically **61 types**.
- Another important bacterium is **Streptomyces griseus**, which produces **41 different types** of antibiotics.

4. **Conclusion**:
- Based on the information, the organism that produces the maximum number of antibiotics is **Bacillus subtilis**.

**Final Answer**: The maximum number of antibiotics is obtained from **Bacillus subtilis**.

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