A. of the presence of Azotobacter in their roots
B. they possess root nodules containing Rhizobium
C. they have a well developed root system
D. they are autotrophic
Correct Answer: Option B
B. they possess root nodules containing Rhizobium
A. of the presence of Azotobacter in their roots
B. they possess root nodules containing Rhizobium
C. they have a well developed root system
D. they are autotrophic
Correct Answer: Option B
B. they possess root nodules containing Rhizobium
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