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Biology · HSEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

Pollen-pistil interaction is mediated by:

  1. Mechanical puncture of the stigmatic papillae by pollen exine
  2. Chemical components of the pollen interacting with those of the pistil
  3. Electromagnetic signals generated by the polar nuclei
  4. Enzymatic degradation of the entire style by callose plugs

Correct answer · Option 2

Chemical components of the pollen interacting with those of the pistil

Explanation

Pollen-pistil interaction involves recognition mediated by a continuous chemical dialogue between chemical components of the pollen and the pistil.
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