Question

Which of the following pairs represents bactericidal antibiotic :

Erythromycin, ofloxacin, chloramphenicol, penicillin, and tetracycline.

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

Answer 1

The correct option is B (ii) (iv)

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.

Option $\left(B\right)$ is the correct answer.