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

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 1. sexual reproduction in flowering plants1 Mark
MCQ
A pollen tube grows down the style because
  • A
    It helps in fertilization
  • B
    It takes nutrients from the style
  • C
    Filiform apparatus of synergids attracts the pollen tube
  • ✓
    Of chemical attraction
✓

Answer

Correct option: D.
Of chemical attraction
d
(d)Filiform apparatus of synergids has secretes some chemical substance which is polysacchrids in nature. Which attract pollen tube.

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