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Question

Which of the following substances are produced by an organism to prevent or reduce the spread of micro organisms?
i. Antiseptics
ii. Antibiotics
iii. Antibodies

A
i. and ii. only
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B
ii. and iii. only
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C
iii. only
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D
ii. only
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Solution

The correct option is B ii. and iii. only
a) Antiseptics are used to kill or eliminate microorganisms and/or inactivate virus on living tissues. It is applied externally.
b) Antibiotics are powerful medicines that are produced by fungi to fight bacterial infections.
c) Antibodies are produced by the body against the antigen. These are produced by the B cells of the immune system. These are the considered as a humoral response. These are proteinaceous in composition. It has a Y-shaped structure. It is produced by an organism while antiseptics and antibiotics cannot be produced by the organism.
Correct options is B.

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