Q. Which of the following are symbiotic bacteria?

A) $Rhizobium$
B) $Azotobacter$
C) $Clostridium$
D) $Streptomyces$
Explanation

$Rhizobium$is a nitrogen fixing bacterial symbiont of leguminous roots. It fixes the atmospheric nitrogen $\left( N_{2} \right)$into nitrate as to make the soil $N_{2}$ rich.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.