Question

In an angiospermic flower, fertilization is said to take place when male gametes carried in the pollen tube fuse with the female gamete, present in the embryo sac. This results in lot of changes in different parts of the flower. State the changes taking place in the following structures of flower post fertilization:

1. Zygote
2. Ovule
3. Ovary
4. Sepals

Answer 1

1. The zygote divides repeatedly and develops into an embryo.
2. The ovule develops into a seed (with seed coat formation).
3. The ovary enlarges and develops into a fruit.
4. Sepals usually dry up and fall off (in some cases, they may persist).