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Pollination and Fertilization — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYPollination and Fertilization2 Marks
Question
Mention any two contrivances in flowers which favour cross-pollination.
✓

Answer

Contrivances in flowers whichfavourcross-pollination:
  1. Unisexuality
  2. Different timings of maturation of androecium and gynoecium
  3. Self-sterility
  4. Structural barriers

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