A. at the nodes of the stem
B. at the internodes
C. in the root nodules
D. in the spongy mesophyll
Correct Answer: Option C
C. in the root nodules
A. at the nodes of the stem
B. at the internodes
C. in the root nodules
D. in the spongy mesophyll
Correct Answer: Option C
C. in the root nodules
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