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STD 12 - 1. sexual reproduction in flowering plants — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 1. sexual reproduction in flowering plants4 Marks
MCQ
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
  • ✓
    It guides pollen tube from a synergid to egg
✓

Answer

Correct option: D.
It guides pollen tube from a synergid to egg
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.

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