Q. Select the mismatch :
A) $Frankia$ - $Alnus$
B) $Rhodospirillum$ - Mycorrhiza
C) $Anabaena$ - Nitrogen fixer
D) $Rhizobium$ - Alfalfa
Explanation
[Solution] $Rhodospirillum$ is a free-living photosynthetic nitrogen-fixing bacterium, not a mycorrhizal fungus. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.