GENERAL KNOWLEDGE

Detailed explanation-1: -Alexander Fleming was a Scottish physician-scientist who was recognised for discovering penicillin.

Detailed explanation-2: -In the 1920s, British scientist Alexander Fleming was working in his laboratory at St. Mary’s Hospital in London when almost by accident, he discovered a naturally growing substance that could attack certain bacteria.

Detailed explanation-3: -In 1928, at St. Mary’s Hospital, London, Alexander Fleming discovered penicillin. This discovery led to the introduction of antibiotics that greatly reduced the number of deaths from infection.

Detailed explanation-4: -While working at St Mary’s Hospital in London in 1928, Scottish physician Alexander Fleming was the first to experimentally determine that a Penicillium mould secretes an antibacterial substance, which he named penicillin in 1928.