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Function of filiform apparatus is to:

1. Recognize the suitable pollen at stigma
2. Stimulate division of generative cell
3. Produce nectar
4. Guide the entry of pollen tube

Correct answer: Guide the entry of pollen tube

Solution

The filiform apparatus is a specialized thickening in the synergids of the embryo sac. Its main role is to attract and guide the pollen tube into the ovule for fertilization.

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