Question

The substances which stop the growth of disease causing microorganisms are known as ___.

• A. antibiotics
• B. antidotes
• C. analgesics
• D. antidepressants

Answer 1

The correct option is A

antibiotics

Antibiotics are the substances or chemicals that kill or stop the growth of bacteria. Interestingly antibiotics are isolated from bacteria themselves and few fungi. Bacteria use them to protect themselves from other types of bacteria. Penicillin was the first antibiotic isolated from a fungus called Penicillium.