Entry of pollen tube into the ovule through the funiculus or integuments is called

Options :
  1. Porogamy
  2. Chalazogamy
  3. Mesogamy
  4. Siphonogamy
Answer and Explanation :-

Answer: Option 3

Explanation:

When the pollen tube enters the ovule through the funiculus (eg. Pistacia) or through the integuments (eg. Cucurbita), the phenomenon is called mesogamy.

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