Question

Consider three statements given below about antibiotics –
(i) Antibiotics kills or inhibits the growth of microorganisms.
(ii) Broad range antibiotics inhibit gram negative as well as gram positive bacteria.
(iii) Antibiotics are produced by microorganisms and it can’t be synthesized artificially.
Which of the above statements is correct?

• A. Only (i)
• B. (i) and (ii)
• C. (ii) and (iii)
• D. (i), (ii) and (iii)

Answer 1

The correct option is B (i) and (ii)

Antibiotics are used to kill or inhibit the growth of microorganisms. Initially antibiotics were classified as chemical substances produced by microorganisms but now many antibiotics are produced by synthetic methods.