Syngamy means

Answer: Option A

Syngamy means the fusion of gametes.
Fertilization, also known as generative fertilization, syngamy and impregnation, is the fusion of gametes to give rise to a new individual organism or offspring and initiate its development. The gametes that participate in the fertilization of plants are the sperm (male) and the egg (female) cell.
In flowering plants, two sperm cells are released from the pollen grain, and a second fertilization event involving the second sperm cell and the central cell of the ovule, which is a second female gamete.