1.

What changes occur during the transformation of the ovule into a seed?

Answer»

After a successful act of fertilization and double fertilization, each ovule is transformed into the seed. 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.


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