Biology, asked by nannumedicalstudent, 2 months ago

20. The fern that exhibit a symbiotic association with a cyanobacterium and helps in nitrogen fixation is *
a. Adiantum
b. Azolla
c. Dryopteris
d. Pteris

Answers

Answered by sargunjisuhana

1

Answer:

Azolla is correct ans here

Explanation:

Hope it helps :D

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