Question

(a) Give one main difference between self-pollination and cross pollination.
(b) Explain the process of fertilisation in a bisexual flower.​

Answer 1

Explanation:

1. Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.
2. Stamens and carpels are the reproductive parts of a flower which contains the germ cells. ... The male germ cell produced by the pollen grains fuses with the female gamete present in the ovule. This fusion of the germ cell or fertilization gives us the zygote which is capable of growing into a new plant.