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Question:

Write a short paragraph on the harms caused by microorganisms.

Answer:

Microorganisms are harmful for human beings in various ways. They causes diseases in human beings, plants and animals too. Following are the harmful effects of microorganisms that have been shown below in points:

  1. They cause a large variety of diseases in plants, animals and human beings.
  2. In humans, bacteria causes diseases like cholera, typhoid, tuberculosis etc.
  3. In cattle, the foot and mouth diseases are caused by viruses.
  4. Several microorganisms cause diseases in plants as well. For example: tikka disease in groundnuts, late blight of potato etc.
  5. Food substances like sauce, jams, pickles etc. are spoiled by microorganisms.
  6. Many fungi can decay wood.
  7. Microorganisms can damage clothes, leather etc.
  8. Some microbes secrete toxins which leads to food poisoning.


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