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

(A)It brings about opening of the pollen tube.
(B)It guides pollen tube from a synergids to egg.
(C)It helps in the entry of pollen tube into a synergids.
(D)It prevents entry of more than one pollen tube into the embryo sac.

The NCERT line that answers it

Verbatim line

The synergids have special cellular thickenings at the micropylar tip called filiform apparatus, which play an important role in guiding the pollen tubes into the synergid.

Chapter: Sexual Reproduction in Flowering Plants
Section: 1.2.2 The Pistil, Megasporangium (ovule) and Embryo sac
Page: 10
Words matched: 26 of 26

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=0.9713, combined=0.9828). Verified: high — The span explicitly states that the filiform apparatus 'play[s] an important role in guiding the pollen tubes into the synergid,' which directly matches option C's claim that it helps in the entry of pollen tube into a synergid.

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