Who discovered the peptic ulcer causing bacteria H.PYLORI?
Correct answer: C. Dr Barry Marshall and dr Robin Warren
- A. Robert Hook
- B. James parkinson
- C. Dr Barry Marshall and dr Robin Warren
- D. None of these
Explanation
Barry Marshall and Robin Warren discovered the association between Helicobacter pylori and peptic ulcer disease, showing that many ulcers are caused by bacterial infection rather than only stress or excess acid. Their work changed the treatment of ulcers toward antibiotic therapy. Students may choose Robert Hooke because he is famous in biology, but Hooke studied cells and had no role in discovering H. pylori.
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