Sexual Reproduction in Flowering plants Class 12 #2| Pollination |Double Fertiization | CBSE NEET

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Timestamps: 0:00 Introduction 1:02 Pollination 3:11 Self Pollination 4:11 Cross Pollination 5:14 Types of Pollination 5:40 Autogamy 11:08 Geitonogamy 12:24 Xenogamy 14:04 Pollinating agents 15:04 Pollination by Wind 17:39 Pollination by Water 19:06 Pollination by wind and water 19:55 Pollination by biotic agents 20:43 Insect/animal pollination 21:58 Yucca plant-Moth relationship 24:37 Outbreeding devices 30:36 Compatibility between pollen and pistil 33:20 Compatibility pollen and pistil interaction 36:50 Incompatible pollen pistil interaction 37:21 Pollen pistill interaction 39:21 Artificial Hybridization 43:30 Fertilization in a flowering plant 44:59 Double Fertilization 45:43 Post fertilization events 47:20 Endosperm 50:14 Free-nuclear endosperm 51:31 Types of Seed 53:08 Embryo 53:55 Stages of Embryogeny in an embryo 54:51 Dicotyledonous Embryo 57:27 Monocotyledonous Embryo 58:30 Seed 58:51 Ovule to Seed 1:01:09 Basic Structure of a seed 1:02:21 Types of seed: Monocot & Dicot 1:02:53 Dicotyledonous seed structure 1:05:44 Monocotyledonous seed structure 1:08:16 Ovary to Fruit 1:08:35 Fruit 1:09:41 Edible pars of different fruits 1:12:45 Fruit types 1:13:26 Parthenocarpic fruit 1:15:01 Seeds:Uses in Agriculture 1:15:50 Apomixis 1:18:32 Apomixis: Importance

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12th?

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Seed mature -) water content decreases then the seed totally dries up After dried up seed has 2 options 1. Dormant stage (unfavorable stage) no growth occurs.. 2. Germinate ( favourable conditions)..eg dhaniya seeds!!

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Parthenocarpy is the formation or development of fruit without fertilization. Apomixis, on the other hand, is the formation of seeds without fertilization

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Maam a small doubt: During Emasculation..can’t the anthers grow back again ? Regeneration?

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