Define the term ‘double fertilization in plants’. After fertilization name the part in each case Which develops into (i) the fruit, (ii) the seeds.
Double fertilization : It occurs when one male nucleus fertilizes (fuses) with egg cell to form zygote cell and other male nucleus fuses (fertilizes) with two polar nuclei to cause triple fusion. As these two types of fertilizations take place at the same time in the ovule of the plant, it is known as double fertilization.
After fertilization:
(i) Ovary develops into fruit.
(ii) Ovules develop into seeds.