Multiple choice

The Scottish scientist Alexander Fleming discovered what in the mold of his Petri dishes?

  1. penicillin

  2. azithromycin

  3. a vaccine for Polio

  4. the cure for chicken pox
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Alexander Fleming discovered penicillin in 1928 when he noticed that mold in a Petri dish had killed the surrounding bacteria.

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