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Question

Penicillin was discovered by

A
Waksman
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B
Chain and Florey
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C
Both A and B
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D
Alexander Fleming
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Solution

The correct option is (D) Alexander Fleming

Alexander Fleming

The discovery of penicillin by Alexander Fleming was purely coincidental. He saw a clean region around the Penicillium mould, but the remainder of the Petri plate was covered with bacterial colonies. It is generally agreed that the discovery of penicillin was one of the most significant advancements in the field of therapeutic medicine. Penicillin turned a life-saving chemical that was in restricted supply into a treatment that was readily accessible to a huge number of people.

Waksman

Streptomycin is an antibiotic that was first used against tuberculosis. In 1943, Albert Schatz (a student of Waksman) discovered and isolated the antibiotic from Streptomyces griseus.

Chain and Florey

Ernst Chain and Florey were the ones who discovered and developed the procedures that increased the synthesis of penicillin by the mould and purified it.

Final Answer

Penicillin was discovered by Alexander Fleming.

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