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8.Microbes in Human Welfare
medium
Yield of paddy field can be increased by application of
A
Iron bacteria
B
Nostoc/Anabaena
C
Archaebacteria
D
Symbiotic bacteria
(AIPMT-1999)
Solution
(b)They are the free living nitrogen fixing cyanobacteria and increase nitrogen content of moist soil and water bodies, which can be used in increasing paddy yield.
Standard 12
Biology