Germ theory of disease has________________postulates?
Correct answer: C. 4
- A. 3
- B. 5
- C. 4
- D. 6Standardized & Admissions Tests
Explanation
Koch's germ theory is expressed through four postulates linking a specific microorganism with a specific disease: presence in diseased hosts, isolation in pure culture, reproduction of disease, and re-isolation. Students may choose three by omitting the final re-isolation step, but the classical formulation contains four.
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