Q. A prokaryotic autotrophic nitrogen fixing symbiont is found in
A) $Cycas$
B) $Cicer$
C) $Pisum$
D) $Alnus$
Explanation
The coralloid root of $Cycas$ is symbiotically associated with nitrogen fixing blue-green algae, $Anabaena\ cycadae\ and\ Nostoc\ puntiforme.$ These blue green-algae (cyanobacteria) are prokaryotic photosynthetic and autotrophic.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.