Q. What does the filiform apparatus do at the entrance into ovule?
A) It helps in the entry of pollen tube into a synergid
B) It prevents entry of more than one pollen tube into the embryo sac
C) It brings about opening of the pollen tube
D) It guides pollen tube from a synergid to egg
Explanation
Synergid cells are characterized by the presence of finger like projections called filiform apparatus attached to their upper wall at micropyler end. This filiform apparatus is known to attract and guide the pollen tube.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.