What is the fate of the male gametes discharged in the synergid ?

The male gamete is human is

In Pinus, the male gametes are

The male gametes of diatoms have

In Ginkgoales the male gametes are :-

The male gamete is Spirogyra is

Nonmotile male gametes are found in :

The male gamete is Spirogyra is

Double fertilisation in an angiosperms plant means (a) fusion of two egg cells with two male gametes (b) fusion of egg cell twice with male gametes (c) fusion of one male gamete with the egg cell and the other male gamete with the synergid (d) fusion of one male gamete with the egg cell and the other male gamete with secondary nucleus

Double fertilisation in an angiosperms plant means (a) fusion of two egg cells with two male gametes (b) fusion of egg cell twice with male gametes (c) fusion of one male gamete with the egg cell and the other male gamete with the synergid (d) fusion of one male gamete with the egg cell and the other male gamete with secondary nucleus