Which of the following is not an antibiotic?

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Question

(C) Antibiotics are chemical substances produced by some microbes and can kill or retard the growth of other disease-causing microbes.$A$. Griseofulvi

Vedclass · Accepted Answer

Citric acid

Vedclass · Answer

(C) Antibiotics are chemical substances produced by some microbes and can kill or retard the growth of other disease-causing microbes.$A$. Griseofulvin is an antifungal antibiotic.$B$. Cephalosporin is a well-known group of antibiotics.$C$. Citric acid is an organic acid produced by the fungus $Aspergillus$ $niger$,not an antibiotic.$D$. Streptomycin is an antibiotic produced by $Streptomyces$ $griseus$.Therefore,Citric acid is not an antibiotic.

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