Biology, asked by amalmakkar4857, 1 year ago

Most active nitrogen fixing blue-green alga of rice fields is
A) Anabaena azollae
B) Aulosira fertilissima
C) Cylindrospermum licheniforme
D) Nostoc cycadacearum

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Answered by TusharKantiDas

0

Most active N2 Fixing blue-green alga of rice fields is-(a)anabaena azollae

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