A) Azolla and BGA
B) Nostoc and legume
C) Rhizobium and grasses
D) Salmonella and E. coli
Correct Answer: A
Solution :
Anabaena azollae a cyanobacterium living in the cavities of Azolla leaves, fixes nitrogen from air and excretes nitrogenous compound. BGA. (Blue-Green Algae-Cyanobacteria) are also nitrogen fixers.You need to login to perform this action.
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