Question

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

Answer 1

Answer: (D)

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.