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Azolla is used as a biofertilizer becaus...

Azolla is used as a biofertilizer because it

A

Multiplies very fast to produce massive biomass

B

Has association of nitrogen-fixing Rhizobium

C

Has association of nitrogen fixing cyanobacteria

D

Has association of mycorrhiza

Text Solution

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The correct Answer is:
C
Azolla is a floating pteridophyte which contains an endosymbiont the nitrogen – fixing cyanobacterium Anabaena azollae that provide nutrients to rice plant.
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