Question

Discuss the various post fertilization changes in flower

Answer 1

Explanation:

Post-fertilization changes in flower are: 1) The sepal, petal and stamen of the flower withers and fall off only pistil remains attached to the plant. 2)The ovules develop into the seed. 3)The zygote develops into the embryo.

Answer 2

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1. Calyx, Corolla, Stamens, Style and Stigma wither and drop away.
2. Ovary becomes fruit.
3. Ovules becomes seeds.
4. Wall of the ovary - fruit wall.
5. Funiculus - Stalk of the seed.
6. Outer integument of ovule - Outer seed coat testa.
7. Inner integument of ovule - inner seed coar tegmen.
8. Micropyle of ovule - Micropyle of seed.
9. Zygote - Embryo
10. Synergids - degenerate
11. Antipodals - degenerate
12. Raphe of ovule - Hilum
13. Endosperm - Nutritive tissue of embryo.
14. Calyx of Solanum - persistant and macrescent calyx.
15. Calyx of Tridax - Pappus which helps in fruit dispersal.
16. Nucellus of ovule - nutrient tissue called perisperm in Nymphea, piper.

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