Isolation and screening of microorganism producing amylases from soil .Environmental isolation of protease producing microorganisms. Isolation of phosphate solubilizing bacteria, Isolation of free living nitrogen fixers from soil (Azotobacter spp.).Isolation of Rhizobium spp from root nodulesIsolation of antibiotic producing Actinomycetes from soil, Determination of alcohol production by immobilized yeast cells, Sulphite oxidation method, Determination of mixing time and reynolds number in fermentation,Ionotrophic gelation of E.coli using calcium alginate beads