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  • Plant Physiology and Reproduction
  • The growth of pollen tubes towards ovules is due to
Multiple choice

The growth of pollen tubes towards ovules is due to

  1. geotropism

  2. thigmotropism

  3. chemotropism

  4. hydrotropism

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The growth of the pollen tube toward the ovule is directed by chemical signals released by the synergids, a process known as chemotropism.

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