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MediumBotanyMicrobes in Human Welfare
+4 / -1
Assertion (A): Rhizobium forms symbiotic association with roots of non-leguminous plants like Alnus. Reason (R): Frankia forms nitrogen-fixing nodules in non-leguminous plants.
A
Both A and R are true, and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is false, but R is true
D
A is true, but R is false

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