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Question
Which of the following bacteria is found in association with roots of grasses and rice?
Options
Azotobacter
Rhizobium
Azospirillum
Anabaena
MCQ
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Solution
Azospirillum
Explanation:
Rhizobium is associated with legume root nodules, Azotobacter is free-living, and Anabaena is a cyanobacterium.
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