Antibiotics are of no use in treating the common cold because the cold is caused by

a virusCorrect answerYour answera bacteriumCorrect answerYour answera lack of vitaminsCorrect answerYour answera fungusCorrect answerYour answer

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CorrectNot quiteAnswer A

Correct answer: A

Antibiotics act on bacteria by attacking structures such as the cell wall.
Viruses lack these structures and multiply inside our own cells, so antibiotics do not affect them.

Worth noting

Using antibiotics when they are not needed helps bacteria become resistant to them.

Ten questions from Biology, Human Body and Health, at your own pace.

Ten questions from Biology, Human Body and Health, at your own pace.

Explanation