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


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

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.