Azolla (a pteridophyte) can increase the prod | vedclass

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(C) Azolla is a small aquatic fern (pteridophyte) that lives in a symbiotic relationship with the nitrogen-fixing cyanobacterium $Anabaena$ $azollae$.

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Anabaena

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(C) Azolla is a small aquatic fern (pteridophyte) that lives in a symbiotic relationship with the nitrogen-fixing cyanobacterium $Anabaena$ $azollae$.This cyanobacterium resides in the leaf cavities of $Azolla$.Because $Anabaena$ fixes atmospheric nitrogen into ammonia,it enriches the soil with nitrogen when $Azolla$ decomposes in rice fields.Therefore,$Azolla$ acts as a biofertilizer,significantly increasing the yield of rice crops.

Azolla (a pteridophyte) can increase the production of rice due to its association with which of the following?

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