What are the usefulness of microbial metabolism for classification or grouping of microorganisms What are the usefulness of microbial metabolism for classification or grouping of microorganisms Solution the usefulness of classification of microbial metabolism for classification are as follows: 1. this helps to find how organisms deal with the oxygen acquired from the environment 2.how organisms use the enrgy source for it\'s survival 3. to find how organisms are influencd by the surrounding environmental conditions 4.how organism use the nutrient source 5, how organisms affect the humen body for a particular disease 6..