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Coralloid roots of Cycas possess a symbi...

Coralloid roots of Cycas possess a symbiotic alga

A

Aulosira

B

Spirogyra

C

Ulothrix

D

Anabaena

Text Solution

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The correct Answer is:
D
The coralloid roots contain cyanobacteria (blue green algae i.e. Anabaena) which fix nitrogen and in association with root tissue produces beneficial amino acids as asparagines and citrulline.
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