Multiple choice

The entry of pollen tube into the ovule through micropyle is called

  1. porogamy

  2. mesogamy

  3. anisogamy

  4. chalazogamy

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A Correct answer
Explanation

Porogamy is the entry of pollen tube through the micropyle, the most common type of pollen tube entry in flowering plants. Mesogamy is through the integuments, chalazogamy is through the chalaza, and anisogamy refers to gametes of different sizes.