Question

Trace and explain the steps involved in the formation of seed

Answer 1

Answer:

Explanation:

The first step is pollination followed by germination of pollen grain on the stigma, so that fertilisation could takes place. After fertilisation the zygote divides mitotically and transform into multicellular embryo. The endosperm also divides and grows in size to provide adequate nutrition to the embryo while developing. As the embryo and endosperm develop, the ovules also increase in size gradually to transform into seeds. The integument dry up to give protective coating to the seeds known as seed coat. The accessory parts of the flower like petals, sepals etc. get withered and fall off and fertilised ovary develops into a fruit.