Multiple choice general knowledge science & technology

Alexander Fleming discovered

  1. Pencillin

  2. X-ray

  3. Streptomycin

  4. Telephone

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

Alexander Fleming discovered penicillin in 1928 at St. Mary's Hospital in London when he noticed that mold (Penicillium notatum) had contaminated a bacterial culture plate and killed the bacteria. This accidental discovery revolutionized medicine and earned Fleming the Nobel Prize. X-ray was discovered by Roentgen, while streptomycin was discovered by Waksman, and the telephone by Graham Bell.