Question

what are the post fertilisation changes occur in a flower?

Answer 1

After fertilization , the zygote divides several times to form an embryo within the ovule. The ovule develops a tough coat and is gradually converted into a seed . The ovary grows rapidly and ripens to form a fruit. Meanwhile, the petals , sepals , stamen ,style and stigma may shrivel and fall off.

Answer 2

after fertilisation zygote is formed which undergo repeated mitosis to give embryo near micropylar end and PEN which is 3n in number forms endosperm which provides nutrition to developing embryo