Q. Besides paddy fields, cyanobacteria are also found inside vegetative part of
A) Pinus
B) Cycas
C) Equisetum
D) Psilotum
Explanation
[Solution from source] The coralloid roots of Cycas harbour cyanobacteria such as Anabaena and Nostoc in a special zone. Pinus has fungal mycorrhiza instead, and Equisetum and Psilotum have no such cyanobacterial association. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.