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Question: Answered & Verified by Expert
The aperture present in pollen grain is called germ pore where
BiologySexual Reproduction in Flowering PlantsNEET
Options:
  • A Exine is present
  • B Both exine and intine are absent
  • C Only exine is absent
  • D Only intine is absent
Solution:
2282 Upvotes Verified Answer
The correct answer is: Only exine is absent
Pollen grain is surrounded by two layered wall, outer wall is exine and inner wall is intine. Exine is made up of sporopollenin and is discontinuous, as it is absent at germ pore. Intine is continuous and is made up of pectocellulose.

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