Write a short paragraph on the harmful effects of microorganisms.

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Soln:

Microorganisms cause diseases in plants and animals. For example, Cholera in humans is caused by bacteria called Vibrio cholera. In animals, the virus causes foot and mouth diseases. Microorganisms spoil food by decomposing the food material. Some microorganisms spoil leather and clothes. Microorganisms are also responsible for food poisoning.

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