In misogamy the pollen tube enters into the embryo sac through

Answer: Option B

In misogamy, the pollen tube enters the embryo sac through the Micropyle.
Misogamy is an aversion to or hatred of marriage. The word dates from the mid-17^th century and combines the Greek misos (hatred) with gamos (marriage). Merriam-Webster date the first use of the word to around 1656.
The micropyle is a small opening in the surface of an ovule, through which the pollen tube penetrates, often visible as a small pore in the ripe seed.