Fertilization is :

Fertilization in plants and Fertilization in human beings.

Fertilization in flowering plants is called double fertilization.

Fertilization in angiosperms is called as "double fertilization" because here two male gametes take part in fertilization . (a). Which cells do these male gamete fertilize? (b) What are the products of fertilization ? ( c) Explain the ploidy of the two products .