Q. In $Spirogyra,$ sometimes a ladder-like structure is present due to
A) Vegetative reproduction
B) Asexual reproduction
C) Lateral conjugation
D) Scalariform conjugation
Explanation
Sexual reproduction I $Spirogyra$ takes place by conjugation. Scalariform conjugation occurs between the cells belonging to different filaments. Hence, these species are heterothallic. Lateral conjugation is primitive than scalariform conjugation.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.