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Question

A legume having a symbiotic association with both of the nitrogen-fixing bacteria Rhizobium and Azorhizobium is?

A
Crotalaria juncea
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B
Sesbania aculeata
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C
Sesbania rostrata
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D
Cyamopsis tetragonoloba
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Solution

The correct option is B Sesbania rostrata
Sesbania rostrata is a small semi-aquatic leguminous tree, in the genus Sesbania. It forms a symbiotic relationship with Gram-negative Rhizobia and Azorhizobium which leads to the formation of nitrogen-fixing nodules on both stem and roots.
So the correct answer is 'Sesbania rostrata'

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