NCERT Solutions for Class 12 Biology Chapter 2: Sexual Reproduction in Flowering Plants
These NCERT Solutions for Class 12 Biology Chapter 2 explains every detail and keyword related to each topic of the chapter thoroughly. Moreover, the solutions are in simple language and contain all the relevant study material. For a clearer and better understanding of the chapter refer to Toppr’s NCERT Solutions.
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CBSE Class 12 Biology Chapter 2 – Sexual Reproduction in Flowering Plants NCERT Solutions
Sexual reproduction in flowering plants refers to those plants that produce both male and female gametes in a single plant. In this NCERT Solutions for Class 12 Biology Chapter 2, we have discussed it. Besides, we have also discussed what is sexual production in a flowering plant and how it works. Moreover, the solution contains all the answers to your questions. Also, it has an explanation of each keyword of the chapter.
Subtopics covered under NCERT Solutions for Class 12 Biology Chapter 2
2.1 Flower- A Fascinating Organ of Angiosperms
This topic defines the relationship of humans with flowers. Moreover, the topic discusses what we have discussed about sexual reproduction in plants in class 11.
2.2 Pre-fertilization: Structures and Events
This topic describes the hormonal and structural changes that happen inside a plant so that can it can reproduce.
2.2.1 Stamen, Microsporangium and Pollen Grain- This topic defines what is stamen, pollen grain, and microsporangium and how they help in plants reproduction. Besides, each of these is described in details.
2.2 The Pistil, Megasporangium (ovule) and Embryo sac- This topic defines all these topics and their functions in details.
2.2.3 Pollination- It refers to the process of carrying pollen grains from one place to another by external forces (animals, birds, or insects). Its kinds are:
- Autogamy
- Geitonogamy
- Xenogamy
Agents of pollination- This topic defines the various agents of pollination that help in the transfer of pollen from one place to another. Likewise, it can be an animal or bird or wind of other plants. Besides. This topic also talks about some other topics.
- Outbreeding Devices
- Polen-Pistil Interaction
2.3 Double Fertilization
This topic describes what is double fertilization and how it happens in plants. Besides, the topic also mentions some keywords related to this topic.
2.4 Post-Fertilization: Structures and Events
This topic describes the process that happens after the fertilization.
2.4.1 Endosperm- This describes the process of how endosperm works.
2.4.2 Embryo- This topic outlines what is an embryo and how it works.
2.4.3 Seed- This topic describes what is seed and how they produce and work.
2.5 Apomixis and Polymbryony
Apomixis refers to a process of reproduction in plants in which they reproduce without seeds. While on the other hand, Polymbryony refers to the occurrence of more than one embryo in one seed.
You can download NCERT Solutions for Class 12 Biology Chapter 2 PDF by clicking on the button below.
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