Biology · Microbiology
The prokaryotic microorganism that fixes atmospheric nitrogen in symbiotic association under aerobic conditions in aquatic ferns (Azolla) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Rhodospirillum
- 2Anabaena✓
- 3Klebsiella
- 4Rhizobium
Correct answer
Anabaena
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