Q. An organism used as a biofertilizer for raising soyabean crop production is
A) Azospirillum
B) Rhizobium
C) Nostoc
D) Azotobacter
Explanation
Rhizobium leguminosarum is a symbiotic bacteria found in root nodules of legume. This bacterium has nitrogen nif gene and fixing$\ N_{2}$. Soyabean is a legume. Thus, Rhizobium is used as a biofertilizer for raising soyabean crop.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.