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Question
Azospirillum is an example of ______.
Options
free-living nitrogen fixing bacteria
associative symbiosis
mycorrhizae
cyanobacteria
MCQ
Fill in the Blanks
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Solution
Azospirillum is an example of associative symbiosis.
Explanation:
Azospirillum grows on the root surface of several tropical grasses, rice and maize without penetrating deep into host tissue. This loose association is called associative symbiosis.
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