Question

write the changes of fertilized ovule undergoes within the ovary in an angiospermic plant.​

Answer 1

ᎻᎬᏞᏞᎾ

ᎻᎬᎡᎬ ᏆᏚ YᎾᏌᎡ ᎪNᏚᏔᎬᎡ

A fertilized ovule undergoes the following changes in the ovary in an angiosperm plant :


Unfertilized ovule  → Fertilized ovule  → Seed

Funiculus  → Present

Hilum  →  Present

Integument  → Seed coat

Outer integument  → Testa

Inner integument  → Tegmen

Chalaza       →  Present

Micropyle   → Present

Nucellus   →  Absent or present as perisperm

Embryo Sac :

Antipodal cells → Degenerate

Synergid cell  → Degenerate

Secondary nucleus  → Endosperm

Egg      →  Embryo

When the unfertilized ovule undergoes double fertilization, it makes fertilized ovule and then seeds.  In this process funiculus and hilum are present. Outer integument makes testa and inner integument is tegmen. Chalaza and micropyle are present but nucellus is absent, partly persists as perisperm. In embryo sac antipodals and synergids degenerate. The central cell makes endosperm, cl'ranges into embryo.

ᎻᎾᏢᎬ ᏆᎢ'Ꮪ ᎻᎬᏞᏢ FᎾᎡ YᎾᏌ

Answer 2

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In angiospermic plant(flowering plant), the fertilization is consequently termed as double ... The zygote undergoes cell divisions to give rise to the embryo. ... Post Fertilization changes in a Flower. ·

and In seed plants, the ovule is the structure that gives rise to and contains the female ... Axile placentation: The ovary is divided into radial segments, with placentas in separate locules.