Question

1)
How are micro organisms useful to us?​

Answer 1

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.

(ii) Microorganisms are used to prepare vaccines for various diseases.

(iii) They are useful for agriculture sector, as they enhance the fertility of soil by fixing nitrogen.

The microorganisms that help in the production of several food items, medicines, manufacturing and research. There are a few useful bacteria present in our body that aid in the digestion process.

Following are a few useful microorganisms:

Bacteria

Fungi

Protozoa

Answer 2

it is a fact that microorganisms are useful to us in many ways. Microorganisms help in the production of many food items, making medicines, keeping the environment clean, in manufacturing and in research.