Which of the following is not an antibiotic
a. Penicillin
b. Sulphaguanidine
c. chloramphenical
d. none of these
Ans. b
Explantation : Antibics are those drugs, which act against bacterial and vain infection e.g. Chloramphenicol Streptomycin, Penicillin, Tetracyclin etc. Sulphaguanidine is a Sulphadrug.
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