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

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

Correct answer: It helps in the entry of pollen tube into a synergid

Solution

The filiform apparatus is a specialized thickening in the synergids near the micropylar end of the ovule. It helps attract and guide the pollen tube into a synergid for discharge of male gametes.

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