How pollination is different from fertilization? Explain self-pollination and cross
pollination. Explain double fertilization in detail.
Answers
Answer:
Pollination is an external mechanism and takes place on an outer part of a flower, while fertilization is an internal mechanism and takes place inside the flowers. Pollination takes place before fertilization, and it is of two types – self-pollination and cross-pollination.
Explanation:
Pollination is an external mechanism and takes place on an outer part of a flower, while fertilization is an internal mechanism and takes place inside the flowers. Pollination takes place before fertilization, and it is of two types – self-pollination and cross-pollination.
Double fertilization is a chief trait of
flowering plants. In the phenomena, one female gamete unites with two male gametes. One of the male gametes fertilizes the egg resulting in the formation of a zygote and the other unites with 2 polar nuclei for the formation of an endosperm.