1.pencillium bacteria is used to make pencillin 2.fungi is used to prepare anti-biotics 3.micro organisms like nostoc,anabena,rhizobium help to provide nitrogen 4.vaccines are prepared from weakens disease causing micro organisms 5.lactobacillous bacteria is used in preparation of curd 6.yeast is used in fermentation process 7.Tetracycline,streptomycin ,erythromycin are made from micro organisms
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