Bacteriophage was discovered by_________________?
Correct answer: B. Twort and d'herelle
- A. Robert koch
- B. Twort and d'herelle
- C. Menkin
- D. Metchinkoff
Explanation
Bacteriophages were independently recognised by Frederick Twort and Félix d’Herelle. Koch studied bacterial pathogens, while Metchnikoff contributed to immunology rather than phage discovery.
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