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Long Answer Question: Draw a labelled diagram of the L.S. of anatropous ovule and list the components of embryo sac and mention their fate after fertilization. - Biology

Answer in Brief

Long Answer Question:

Draw a labeled diagram of the L.S. of anatropous ovule and list the components of the embryo sac and mention their fate after fertilization.

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Solution

1. Structure of anatropous ovule:

2. List the components of embryo sac and mention their fate after fertilization:

Components of the embryo sac Fate after fertilization
Ovule Seed
Egg Embryo
Nucellus Perisperm
Secondary nucleus Endosperm
Outer integument Testa (outer seed coat)
Inner integument Tegmen (inner seed coat)
Micropyle An opening in the seed (i.e. micropyle)
Synergids Degenerate
Antipodals Degenerate
Concept: Double Fertilization
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APPEARS IN

Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 1 Reproduction in Lower and Higher Plants
Exercise | Q 4.4 | Page 17
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