Class 11 Biology Mineral Nutrition Symbiotic biological nitrogen fixation

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The free-living nitrogen-fixing cyanobacterium that forms a symbiotic association with the aquatic fern Azolla is ............. .

AIPMT 2004 All AIPMT

A
Tolypothrix
B
Chlorella
C
Nostoc
D
Anabaena

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Class 11 Questions

Class 11

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Mineral Nutrition

Subtopic

Symbiotic biological nitrogen fixation

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