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Question
How do the functions of Frankia compare to those of Rhizobium in nitrogen fixation?
Options
Both are nitrogen-fixing microbes, but Frankia associates with non-leguminous plants while Rhizobium associates with legumes
Frankia fixes nitrogen while Rhizobium solubilizes phosphates
Rhizobium is superior to Frankia in all nitrogen fixation scenarios
Both exclusively associate with leguminous plants
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Solution
Both Frankia and Rhizobium are nitrogen-fixing microbes that convert atmospheric nitrogen into usable forms. However, they differ in their host plant associations: Rhizobium forms symbiotic relationships with leguminous plants, whereas Frankia associates with non-leguminous plants. This demonstrates the diversity of nitrogen-fixing microbial systems available for different agricultural contexts.
