Double Fertilization
Chapter Name : Sexual Reproduction In Flowering Plants |
Sub Topic Code : 103_12_02_03_01 |
Topic Name : Double Fertilization |
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Sub Topic Name : Double Fertilization |
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Introduction
Two male gametes fuse with nucleus of egg cell and polar nuclei separately.
Pre-Requisites:
Pre-fertilization events
Activity:
See the diagrammatic presentation of the process
Real Life Question:
How does fertilization take place in flower?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Syngamy zygote Triple fusion PEN PEC | Fusion of male gamete with the nucleus of egg cell Result of syngamy Fusion of male gamete with two polar nuclei. Primary endosperm nucleus Primary endosperm cell |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Diagrammatic representation or slide show | To understand the process |
Places to visit :
Biology Laboratory
Practical examples around us
| Examples | Explainations |
|---|---|
| Every flower reproduced through the process of double fertilization |
What you learn in Theory:
Understand the process of double fertilization
What you learn in Practice:
How does male gametes fertilize the female gamete?