Which of the following is a nitrogen fixing organism?
Rhizobium
The correct option is B
The explanation for the correct option:
The explanation for the incorrect option
Option A
Aspergillus is a fungus and does not able to fix the atmospheric nitrogen
Option C
Both A and B are incorrect options because Aspergillus is a fungus and can not fix atmospheric nitrogen whereas rhizobium can fix the atmospheric nitrogen.
Final answer: Rhizobium is the nitrogen-fixing organism.