Microorganisms can also be harmful to us.

Some microorganisms cause diseases in plants, animals and humans. These microorganisms are called pathogens.

Some microorganisms spoil food, clothing, leather.


What are pathogens?

Microorganisms which cause diseases in human beings, plants and animals are called pathogens


Some viruses cause Polio,Chicken Pox


  1. Class 8
  2. Chapter 2 Class 8 - Microorganisms : Friend and Foe

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.