Botany - Biological Classification Question with Solution | TestHub

Amongst the given optionsRhodospirillum- mycorrhiza is mismatched.Rhodospirillum is anaerobic, free-living nitrogen fixer. Mycorrhiza is a symbiotic relationship between fungi and roots of higher plants.Anabaenais a cyanobacteria which can fix atmospheric nitrogen.Rhizobium is a symbiotic bacterium with leguminous plants which helps Nitrogen fixation.Frankia is also another cyanobacteria which is associated with Alnus and helps in nitrogen fixation.