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Question

Penicillin is used to treat __________ infections.

A
viral
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B
protozoan
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C
bacterial
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D
fungal
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Solution

The correct option is C bacterial
Penicillin is an antibiotic used in treating bacterial infections. It was discovered by Dr Alexender Fleming when he was working on a culture of disease-causing bacteria. The growth of blue-green moulds was observed in one of his culture plates. On further observation, he found that there was no bacterial growth near the moulds, and these moulds had killed a significant part of the bacterial culture. The isolation and study of these moulds led to the discovery of penicillin.

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