Question

Write a short note on:
Development of seed

Answer 1

Development of seed: After successful fertilization, the ovule is transformed into seed by several morphological and physiological changes., The parts of ovule undergo morphological changes as follows:
Funicle - Stalk of seed
Micropyle - Gets sealed
Nucellus - Degenerates in most cases.
Integuments - Seed coat. (outer integument-Testa and inner integument-Tegmen).
Fertilized egg - Embryo
Primary endosperm nucleus - Endosperm (Present in albuminous seeds and not in exalbuminous seeds).
Antipodals and synergids - Degenerate.