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Micro-organisms friend and foe — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceMicro-organisms friend and foe3 Marks
Question
Why are antibiotics not effective against 'common cold' and 'flu'?
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Answer

Antibiotics are not effective against 'common cold' and 'flu' as these are caused by viruses. And the viruses do not have cells but live in the cells of living beings. And the working mechanism of the antibiotics is to break the cell wall and attack on the bacteria.

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