class 12 biology explanation
sexual reproduction in flowering plants
biology chapter 1 class 12 explanation
R K Gupta
a detail explanation of sexual reproduction in flowering plants class 12, biology chapter 1 by R K Gupta partwise, specially targeted for cbse board 2025
timespam:-
0:00 Pollen-pistil interaction
1:53 Changes in embryosac before fertilisation
2:26 Double fertilisation
3:21 Post fertilisation event
3:39 Endosperm
4:08 Types of endosperm
4:56 Embryo
5:47 Dicot vs Monocot embryo
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