Azolla pinnata has been found to be an important bio-fertilizer for paddy crops. This…
Biology · Class 12 · CBSE — Microbes in Human Welfare
Azolla pinnata has been found to be an important bio-fertilizer for paddy crops. This quality is due to the presence of
- N2 - fixing bacteria
- N2 fixing cyanobacteria
- mycorrhizae
- all of these.
Answer
(B) N 2 fixing cyanobacteria
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