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Question
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.
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 |
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