NEET 2008 Biology question

Not in NEET syllabus

Nitrogen fixation in root nodules of Alnus is brought about by

(1)Azorhizobium
(2)Bradyrhizobium
(3)Clostridium
(4)FrankiaCorrect

Answer: (4)

Solution

Frankia, a filamentous actinomycete, forms nitrogen-fixing root nodules in the non-leguminous tree Alnus (alder) and in other actinorhizal plants. Hence option (4). Azorhizobium fixes nitrogen

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Question ID VK-090073