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Question 104 · The 20th century

Sir Alexander Fleming is famous for discovering what?

  1. A Penicillin ✓ Correct
  2. B The steam engine
  3. C Gravity
  4. D The telephone

✅ Correct answer: A — Penicillin

💡 Explanation

Scottish doctor Alexander Fleming discovered penicillin, the first widely used antibiotic.

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