. State the beneficial effects (or usefulness) of micro-

organisms in our lives

Best Answer

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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