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Nitrogen Cycle

Azolla pinata...

Question

Azolla pinata has been found to be an important biofertiliser for paddy crops. This quality is due to the presence of :

A

N_{2}

fixing bacteria

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B

N_{2}

fixing cyanobacteria

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C

Mycorrhizae

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D

All of these

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Solution

The correct option is B $N_{2}$ fixing cyanobacteria
Azolla pinata has been found to be an important biofertiliser for paddy crops. This quality is due to the presence of a $N_{2}$ fixing cyanobacteria named Anabaena.
So, the correct option is ' $N_{2}$ fixing cyanobacteria'

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