Question

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

• A. i - iii
• B. ii - iv
• C. iii - v
• D. i - iv
• E. ii - v

Answer 1

Answer: (B)

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 kills the microbes, e.g., penicillin, aminoglycosides, ofloxacin, etc.