Q. Alexander Fleming in 1929 discovered
A) Penicillin
B) Streptomycin
C) Tetracyclin
D) Chloromycetin
Explanation
Penicillin was the first known antibiotic or an antimicrobial agent produced by $Penicillium\ notatum$ and discovered by A Fleming (1929).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.