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Select the mismatched pair....

Select the mismatched pair.

A

Symbiotic bacteria-Rhizobium, Frankia

B

Symbiotic cyanobacteria-Frankia, Aulosira

C

Free-living bacteria-Beijerinckia, Azotobacter

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Frankia is a symbiotic `N_(2)`-fixing bacterium present in the root nodulus of several non-legume plants such as Casuarine, Myrica and Alnus. Aulosira is a free-living `N_(2)`-fixing cynobacterium.
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