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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
Which of the following statement is correct for the pollen tube
  • ✓
    It shows chemotactic movement
  • B
    It shows only tip growth
  • C
    It is composed of three non-cellular zones
  • D
    It shows radial cytoplasmic streaming
✓

Answer

Correct option: A.
It shows chemotactic movement
a
(a)The movement of pollen tube towards embryosac though style is chemotactic as it secrets pectinases and other hydrolytic enzymes to create a passage for its entry into style.

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