Multiple choice general knowledge science & technology

Alexander Fleming discovered

  1. Penicillin

  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 from the Penicillium mold. X-rays were discovered by Wilhelm Röntgen, streptomycin was isolated by Selman Waksman, and the telephone was invented by Alexander Graham Bell.