State any two economic importance of heterotrophic bacteria
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Answer:
Include saprophytic, symbiotic and parasitic bacteria
Explanation:
Saprophytic - for treating sewage , manure
Symbiotic - In nitrogen fixation
Some help in preparation of cheese ( roquefort , swiss ) , curd , yogurt , in fermentation , etc.
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Answer:
Heterotrophic bacteria
(1) They act as decomposers and help in the formation of humus.
(2) They help in the production of curd from milk.
(3) Many antibiotics are obtained from some species of bacteria.
(4) Many soil bacteria help in fixation of atmospheric nitrogen.
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