What does filiform apparatus do at the entrance into ovule ?

Question

What does filiform apparatus do at the entrance into ovule ? (A) It brings about opening of the pollen tube (B) It guides pollen tube from a synergid to egg (C) It helps in the entry of pollen tube into synergid (D) It prevents entry of more than one pollen tube into the embryo sac

Tardigrade Admin · Accepted Answer

Filiform apparatus is a prolongation of the synergids beyond the summit of the embryo sac. It helps in guiding the entry of pollen tube into the synergids. Schacht first described this as 'fertilization threads'.

Q. What does filiform apparatus do at the entrance into ovule ?

It brings about opening of the pollen tube

It guides pollen tube from a synergid to egg

It helps in the entry of pollen tube into synergid

It prevents entry of more than one pollen tube into the embryo sac

Filiform apparatus is a prolongation of the synergids beyond the summit of the embryo sac. It helps in guiding the entry of pollen tube into the synergids. Schacht first described this as 'fertilization threads'.