When the pollen tube enters the ovule through the integuments, the phenomenon is known as

A. Isogamy

B. Porogamy

C. Mesogamy

D. Chalazogamy

Answer: Option C

Solution(By Examveda Team)

When the pollen tube enters the ovule through the integuments, the phenomenon is known as Mesogamy.
The integuments are the outer layer of the ovule and develop into a seed coat as the ovule matures after fertilization. Integuments encases the embryosac.