The chemical substances produced by some microbes which can kill or tetrad the growth of other microbes are called

Options

A. antiseptics
B. antacids
C. antibiotics
D. all of these

Answer

C

Explanation

Antibiotics are chemical substances secreted by certain microbes which inhibit the growth and development of other microbes. Most of them are produced by actinomycets (specially the genus Streptomyces) and filamentous fungi. Some important antibiotics are : tetracycline, chloramphenicol, streptomycin, etc.