Write ten lines on the usefulness …

Microorganisms are very useful to us. 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 produce alcohol at large scale.
(iii) They are also used to produce wine.
(iv) Yeast is used in bakeries.
(v)   They are also used as preservatives for food items.
(vi) They are used to make different medicines, especially the antibiotics.
(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.
(ix) They work as natural cleaners, as they decompose the dead bodies of plants and animals.
(x)   Microorganisms prepare manures by decomposing dead bodies of plants and animals.