The phenomenon of antibiosis (i.e., secretion of one microbe) was discovered by

Options

A. Pasteur
B. Babes
C. Vuilenin
D. Fleming

Answer

**Step-by-Step Solution:**

1. **Understanding Antibiosis**: Antibiosis refers to a biological interaction between two or more organisms where one organism produces a substance that is harmful to another organism. This interaction is detrimental to at least one of the organisms involved.

2. **Identifying the Discoverer**: The question asks about the discoverer of the phenomenon of antibiosis. The options provided are Posture, Babes, Burolaline, and Fleming.

3. **Analyzing the Options**:
- **Posture**: This option is incorrect. Louis Pasteur is known for his work on vaccination, not antibiosis.
- **Babes**: This option is correct. The phenomenon of antibiosis was discovered by Babes.
- **Burolaline**: This option does not correspond to any known discoverer related to antibiosis.
- **Fleming**: While Alexander Fleming discovered penicillin, which is an antibiotic, he did not discover the phenomenon of antibiosis itself.

4. **Conclusion**: Based on the analysis, the correct answer to the question is Babes.

**Final Answer**: The phenomenon of antibiosis was discovered by Babes.

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