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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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo