Question

five useful microorganisms used in the field of medicine and their uses.

Answer 1

Some of  the microorganisms are.....

Yeast which helps in fermentation, making of bread etc.
Rhizobium ueed in nitrogen fixing
Penicillin  used in antibiotics. 
Decomposers are usually microbes
Vaccines like polio are microbes also
Hope u liked it

Answer 2

--penicillin.....used in antibiotics---alagae.... the ones which r edible---yeast ....helpful in fermentation,----rizobium.... nitrogen fixing---- numerous othr vaccines use micr8bes in them to prevent us from falling sick...