Question

Which of these statements is/are TRUE about antibiotics?

• A. These are produced by the body when an antigen enters the body.
• B. These are chemicals produced by microorganisms that kill other microorganisms or inhibit their growth.
• C. These are disease causing organisms
• D. These have the same effect as vaccines.

Answer 1

The correct option is B

These are chemicals produced by microorganisms that kill other microorganisms or inhibit their growth.

Penicillin is an example of an antibiotic. It is a chemical produced by a fungus Penicillium notatum that inhibits the growth of other microorganisms or kills them.