10 lines on the usefulness of microorganisms in our lives 

– Microbes also play an important role in the preparation of medicines. Antibiotics are chemicals produced by microorganisms to kill bacteria.

– Lactobacillus is used to form curd from milk.

Penicillium, a fungus used to produce antibiotics like penicillin.

– Yeast is widely used in bakeries for making fluffy bread and cake.

– Blue green algae carry out Nitrogen fixation. 

– Alcoholic fermentation by yeast is widely used in the preparation of wine and bread.

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10 Lines on B R Ambedkar