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NEET2008BotanySexual Reproduction in Flowering PlantsActual

Unisexuality of flowers prevents

Options

  1. AAutogamy and geitonogamy
  2. BAutogamy, but not geitonogamy
  3. CBoth geitonogamy and xenogamy
  4. DGeitonogamy, but not xenogamy

Correct answer

B. Autogamy, but not geitonogamy

Step-by-step solution

Autogamy but not geitnogamy : Unisexuality promotes or favours the cross pollination (xenogamy) and prevent self pollination (Autogamy). Geitnogamy involve transfer of pollen grain between two flowers of the same plant so unisexuality will not prevent geitnogamy.

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