Azolla is used as a biofertilizer, because it: - Vidyadip

MCQ

Azolla is used as a biofertilizer, because it:

A
Multiplies very fast to produce massive biomass.
B
Has association of nitrogen$-$fixing Rhizobium.
✓
Has association of nitrogen$-$fixing Cyanobacteria.
D
Has asssociation of mycorrhiza

✓

Answer

Correct option: C.

Has association of nitrogen$-$fixing Cyanobacteria.

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