Q. The only positive evidence of aquatic ancestry of bryophyte is
A) Thread like protonema
B) Green colour
C) Some forms are still aquatic
D) Ciliated sperms
Explanation
The only positive evidence of aquatic ancestry of bryophyte is ciliated sperms. Each sperm usually consists of minute, slender, spirally curved body furnished with two long, terminal whiplash type flagella
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.