Q. While entering in the neck of a fern archegonium, sperms shows
A) Phototaxy
B) Chemotaxy
C) Thermotaxy
D) Cyclosis
Explanation
In ferns about 32 multiflagellate, spirally coiled sperms are produced in antheridium. These sperms swim towards open archegonia due to the presence of malic acid in the later, $i.e.,$ they show chemotaxy.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.