15. Describe the post-fertilisation changes in a flower.
The post fertilisation changes that occur in a flower are as follows:
1. Formation of zygote occurs in the ovule. zygote further develops into an embryo.
2. The ovary develops into the fruit while the ovary wall develops into pericarp.
3. Ovules develop into seeds
4. Sepals, petals and stamens wither and fall off while pistils remain attached to the plant.
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