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Multiple Choice Questions. Tick (✓) the Correct Choice: First Vaccine Was Produced By Pasteur A. Fleming Jenner Robert Hooke -

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प्रश्न

Multiple choice questions. Tick (✓) the correct choice: 

First vaccine was produced by   

  1. Pasteur
  2. A. Fleming
  3. Jenner 
  4. Robert Hooke

उत्तर

Jenner

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