Question

There is a substance which has strong antibacterial properties and it is prescribed by the doctors commonly for bacterial infections. However, their excessive use may be harmful. Identify the substance and and their side effects of excess use.

• A. Antibiotics, excessive use may kill useful bacteria and may create antibiotic resistance.
• B. Antibodies, excessive use may kill harmful bacteria and may create antibody resistance.
• C. Antibodies, excessive use does not cause any harm and does not create any resistance.
• D. Antibiotics, excessive use may kill kill useful bacteria and may create antibody resistance.

Answer 1

The correct option is A Antibiotics, excessive use may kill useful bacteria and may create antibiotic resistance.

$\bullet$ Antibiotics are medicines that inhibit the growth of or destroy microorganisms which cause diseases. Examples are Penicillin and Streptomycin.

$\bullet$ We must use antibiotics only as prescribed by qualified doctor. Unnecessary use of antibiotics may harm us and may affect the blood cells fighting against microbial infections. In addition, they may kill useful bacteria too in our intestine and may also cause resistance towards antibiotics. It may also weaken the body.