Explanation

(c)
Broad spectrum antibiotics are the antibiotic which are effective against several type of harmful microorganisms. Tetracycline, chloromycetin and chloramphenicol are the common examples of broad spectrum antibiotics. Chloramphenicol is rapidly absorbed from the gastro-intestinal tract and hence, can be given orally. These can be used for curing typhoid, acute fever, dysentery, whooping cough etc.