Write 10 lines on the usefulness of microorganisms in our lives.


Microorganisms are used for various purposes such as:

* They are used in the preparation of curd, bread and cake.


* They are used in the preparation of alcohol, wine and acetic acid (vinegar).


* They are also used in cleaning up of the environment.


* In agriculture, they are used to increase soil fertility by fixing nitrogen.


* The antibiotics are manufactured by growing specific microorganisms and are used to cure a variety of diseases. Penicillin is an antibiotic made from Penicillium.


* Certain microbes are also used in the biological treatment of sewage and industrial effluents.


* Yeast is used in making idlis, bhaturas, bread, pastries and cakes.


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