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What is the function of the filiform apparatus at the entrance into the ovule?

  1. A
    It guides the pollen tube from a synergid to the egg.
  2. B
    It helps in the entry of the pollen tube into a synergid.
  3. C
    It prevents the entry of more than one pollen tube.
  4. D
    It brings about the opening of the pollen tube.

Solution & Step-by-step Explanation

The filiform apparatus, located in the synergids at the micropylar end, secretes chemical signals that guide the pollen tube toward the embryo sac and facilitates its entry into the synergid.

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What is the function of the filiform apparatus at the entrance into the ovule?
A
It guides the pollen tube from a synergid to the egg.
B
It helps in the entry of the pollen tube into a synergid.
C
It prevents the entry of more than one pollen tube.
D
It brings about the opening of the pollen tube.

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Sexual Reproduction in Flowering PlantsPollen TubeSynergids

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