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The Growth Of Pollen Tubes Towards Ovules Is Due To
  • a)
    Hydrotropism
  • b)
    Chemotropism
  • c)
    Geotropism
  • d)
    Phototropism
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The Growth Of Pollen Tubes Towards Ovules Is Due Toa)Hydrotropismb)Ch...
The growth of a pollen tube towards ovule is in induced by a chemical (sugar) substance secreted by the ripened stigma of flower into the style towards ovary. It is an example of chemotropism, pollen grain response to a stimulus by growing a pollen tube in downward direction, towards ovule for fertilization.
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The Growth Of Pollen Tubes Towards Ovules Is Due Toa)Hydrotropismb)Chemotropismc)Geotropismd)PhototropismCorrect answer is option 'B'. Can you explain this answer?
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