Class 12 NCERT • Biology (New Syllabus)
Class 12 Biology Ch 01: Sexual Reproduction in Flowering Plants
Select a topic or study module below to explore flower structure, pre-fertilization events, male and female gametophyte development, pollination types and agents, outbreeding devices, double fertilization, post-fertilization changes, and comprehensive textbook review questions.
Topic 01 • Flower Structure & Prep
Exploring Pre-fertilization Structures, Stamen, Microsporangium, Pollen Grain Anatomy, and Wall Layers
Topic 02 • Gametophyte Development
Analyzing Microsporogenesis, Pollen Viability, Megasporangium (Ovule), Megasporogenesis, and Embryo Sac Formation
Topic 03 • Pollination Types & Agents
Studying Autogamy, Geitonogamy, Xenogamy, Abiotic Agents (Wind, Water), and Biotic Agents (Insects, Birds)
Topic 04 • Outbreeding Devices
Investigating Mechanisms to Prevent Inbreeding, Artificial Hybridization, Emasculation, and Bagging Techniques
Topic 05 • Double Fertilization
Examining Syngamy, Triple Fusion, Primary Endosperm Nucleus, and Unique Angiosperm Fertilization Features
Topic 06 • Embryo & Endosperm
Analyzing Endosperm Development Types, Dicot and Monocot Embryogenesis, and Seed Structural Anatomy
Topic 07 • Seeds & Apomixis
Studying Albuminous and Exalbuminous Seeds, True vs False Fruits, Dormancy, Apomixis, and Polyembryony
Module 08 • Solutions & Chapter Review