Question

write 10 lines on the usefulness of microorganisms in our lives?
and
write a short paragraph on the harms caused by microorganisms?​

Answer 1

Answer:

They help us in following ways: (i) Microorganisms help us in food sector. They are used for curdling of milk, preparation of bread, cake, etc. ... (vii) Microorganisms are used to prepare vaccines for various diseases. (viii) They are useful for agriculture sector, as they enhance the fertility of soil by fixing nitrogen.

Microorganisms can prove very harmful to us, as they cause a number of diseases in human, plants and animals. Diseases in humans like common cold, tuberculosis, measles, chicken pox, polio, cholera, typhoid, hepatitis B, malaria, etc. are caused by microorganisms.

Answer 2

Answer:

They help us in following ways: (i) Microorganisms help us in food sector. They are used for curdling of milk, preparation of bread, cake, etc. ... (vii) Microorganisms are used to prepare vaccines for various diseases. (viii) They are useful for agriculture sector, as they enhance the fertility of soil by fixing nitrogen.