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AIPMT MAIN2008Botany-Biological Nitrogen Fixation

AIPMT MAIN 2008 Botany Symbiotic Nitrogen Fixation MCQ Question

Type: MCQ-conceptual-Medium

Nitrogen fixation in root nodules of Alnus is brought about by

A

Azorhizobium

B

Bradyrhizobium

C

Clostridium

D

Frankia

Correct Answer

Option D

Detailed Explanation

Frankia is an actinomycete that forms symbiotic relationships with Alnus, fixing nitrogen in its root nodules.

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