What does the filiform apparatus do at the entrance into ovule?
What does the filiform apparatus do at the entrance into ovule?
It guides pollen tube from a synergid to egg
It helps in the entry of pollen tube into a synergid
It prevents entry of more than one pollen tube into the embryosac
It brings about opening of the pollen tube
Solution
It helps in the entry of pollen tube into synergid : Filiform apparatus is present at the micropylar end in synergid. It is a mass of finger like projections. It releases certain chemical substances which direct the path of pollen tube inside the synergid through micropyle (chemotropic effect)