2-State two economically important uses of =( a)heterotrophic (b)archaebacteria se
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(1) Many bacteria like Lactobacillus helps in the production of curd from milk. (2) They act as decomposers and help in the formation of humus e.g. Pseudomonas. ... (4) Many soil bacteria help in fixation of atmospheric nitrogen like Rhizobium (Symbiotic), Azotobacter (Free living).
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(a). Economically important uses of heterotrophic bacteria
1. Some heterotrophic bacteria are decomposers and they help in humus formation
2. Heterotrophic bacteria like Rhizobium also aid in fixing of nitrogen for plants.
3. Heterotropic bacteria like Lactobacillus help in the formation of curd
(b). Economically important uses of archaebacteria
1. Archaebacteria such as Methanobacterium and some others are used in the production of gobar gas which is used as fuel.
2. Ceratin archaebacteria are used in bioleaching of minerals also
3. Archaebacteria such as Thermus aquaticus is used to obtain Taq polymerase enzyme which is used in recombinant DNA technology.
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