NEET Biology question

Not in NEET syllabus

Which of the following is/are free-living nitrogen fixers?

(A)*Azotobacter*, *Beijerinckia*Correct
(B)*Glomus*
(C)*Frankia*
(D)*Rhizobium*

Answer: (A)

Solution

*Azotobacter* and *Beijerinckia* are free-living, aerobic, nitrogen-fixing bacteria. *Frankia* and *Rhizobium*, though free-living aerobes in soil, can fix nitrogen only in

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Question ID VK-113070