Question

describe post fertilization in a flower with diagram

Answer 1

Fertization in plants
As the pollen grains reach the stigma of the carple it absorb water and in tine of the pollen grains posses out in the form of pollen tube. As the pollen tube and aquires terminal position. Now the germinating cell enters the pollen tube and divides to form two male gametes. The pollen tube now travels through the style and reaches the ovary and enters the embryosac of the ovule. Now the pollen tube bursts releasing it's constant into the embryosac. As a result one male gamete fusses with the centre cell to form a triploid zygote while the other fuss with the central cell to form a triploid primary endosperm nucleus. This type of fertization is known as double fertization. Since, three nucleus fuss together to form a triploid primary endosperm nucleus. This type of fission is called as triple fusaion...


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Answer 2

Hii.. Here is ur answer..

In first pic I showed parts of flower

In second pic there is process of fertilization with diagram..

Hope this will help u..