Biology, asked by nannumedicalstudent, 3 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 bkshs1119

0

Answer:

b) AZOLLA IS THE CORRECT ANSWER

Explanation:

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