Question

what is double fertilisation? What are its function?

Answer 1

A pollen tube releases two sperm cells into an unfertilised ovule double fertilization occurs when one sperm cell fuses with the eggs to produce a zygote and the other sperm cell fuses with the two polar nuclei to make the endosperm after double fertilization or seed and fruit develope
during flowering plant reproduction two structures are created zygote and the endosperm zygote will grow and develop into an embryo or baby plant the endosperm is the plant embryo food source this process of forming a zygote and endosperm is called double fertilization