Multiple choice

Who discovered penicillin?

  1. Alexander Fleming

  2. Joseph Lister

  3. Robert Koch

  4. W. Roentgen

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Scottish bacteriologist Alexander Fleming discovered penicillin in 1928 at St. Mary's Hospital in London. He observed that the Penicillium fungus had antibacterial properties, revolutionizing medicine and earning the 1945 Nobel Prize.