Consider the following antibiotics (i) Erythromycin (ii) Ofloxacin (iii) Chloramphenicol (iv) Penicillin The pair of bactericidal antibodies is

Step-by-step solution

Antibiotics are the substances which in low concentration inhibit the growth or destroy microorganisms by intervening in their metabolic processes. They are called bactericidal when they kill the microbes, e.g., penicillin, aminoglycosides, ofloxacin, etc.