10 lines on Usefulness of Microorganism in English

  1. The microorganism is a small organism which we cannot see through naked eyes. 
  2. They are also friends of human beings. They help us in many ways. 
  3. Vaccines are made up of microorganisms.
  4. It helps in making curd.
  5. Microorganisms are used in the wine industry, baking industry.
  6. Microorganisms are also used in reducing pollution levels. 
  7. Yeast is used in idli, dosa etc. 
  8. They are used in the treatment of industrial effluent, sewage waste etc.
  9. They are friends of farmers and help in agriculture.
  10. They help in making organic fertilizers.