NEET Biology question

The common nitrogen-fixer in paddy fields is

(A)Rhizobium
(B)AzospirillumCorrect
(C)Oscillatoria
(D)Frankia

Answer: (B)

Solution

*Azospirillum* is an associative, nitrogen-fixing bacterium commonly found colonizing the roots of paddy (rice) and other cereal crops, enhancing nitrogen availability to the plant. *Rhizobium* is symbiotic specifically with

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Question ID VK-087681