Question

Mention the post fertilisation changes that occur in a flower .

Answer 1

• Fertilization is the process of fusion of the female gamete (ovum or egg) and the male gamete produced in the pollen tube by the pollen grains.
  
• Post- fertiliztion changes in a flower include-

1. The diploid zygote develops into an embryo that forms the future plant.

2. The endosperm cells provides the required nutrition for the developing embryo.

3. The ovule forms the seed.

4. The ovary forms the fruit.

5. The outer and inner integuments of the ovule forms the testa or the seed coat of the seed.

7. Petals and sepals fall off.