Which of the following statements related to microbes in antibiotics production are correct?A. Penicillin was the first antibiotic discovered by Alexander Fleming while working on the bacterium Staphylococcus.B. Fleming, Chain and Florey were awarded Nobel Prize in1945.C. The full potential of penicillin as an effective antibiotic was established by Ernest Chain and Howard Florey.D. Penicillin does not allow Penicillium to grow.

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A only

A, B and C

B and D

B, C and D

answer is B.

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Detailed Solution

Penicillium notatum is the source of Penicillin (antibiotic). Penicillin kills or retards the growth of Staphylococci and not of Penicillium notatum. Penicillin was discovered by Alexander Fleming and its full potential as an effective antibiotic was established by Florey and Chain for which Fleming, Florey and Chain were given Nobel Prize in 1945.

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