Which one of the following is not true about antibiotics

Options

A. The term 'antibiotic' was coined by Selman Waksman in 1942
B. first antibiotic was discovered by Alexander Flemming
C. Each antibiotic is effective only against one particular kind of germ
D. Some persons can be allergic to a particular antibiotic

Answer

C

Explanation

The statement (c) is wrong regarding ot antibiotics because antibiotics are divided into two categories depending upon their effect
(i) Broad spectrum antibiotics They have ability to act on several pathogenic species differing from each other in structure and composition of cell wall.
(ii) Specific antibiotics They act on a few similar type of pathogens.