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प्रश्न
Explain briefly:
Bacteria are our friends and foes both.
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उत्तर
Bacteria as friends :
Bacteria are useful to us in many ways like producing antibiotics, forming curd and cheese, tanning leather, producing various industrial products, nitrogen fixation, digesting cellulose, etc.
Bacteria as foes:
They are harmful in many ways like causing diseases, bio-weapons, food spoilage etc.
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