. Name the scientist who discovered the antibiotic penicillin?

(a)Robert Hooke

(b)Alexander Fleming

(c)Ernest Chain

(d)Louis Pasteur

Best Answer

Ans.(b)In 1926, Alexander Fleming discovered penicillin, a substance produced by fungi pencillium which was able to inhibit bacterial growth in bacterial cultures. In 1939, Edward Chain and Howard Florey further studied penicillin and carried out its trials on humans with fatal bacterial infection. Fleming, Florey and Chain shared the Noble Prize in 1945 for their work on antibiotics.

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