ICSE Class 12 Biology — Chapter Summary

Sexual reproduction in flowering plants occurs through flowers, which carry the male and female reproductive parts. The chapter explains how pollen grains and ovules develop, how pollination occurs, how the pollen tube reaches the embryo sac, and how fertilization leads to seed and fruit formation.

Human reproduction is the process that produces new individuals of the same kind and ensures continuity of the species. In humans, reproduction is sexual and viviparous. The chapter covers the structure and function of the male and female reproductive systems, formation of gametes, puberty, menstrua

Reproductive health means total well-being in all aspects of reproduction: physical, emotional, behavioural, and social. It includes healthy reproductive organs, normal functioning, safe sexual practices, family welfare, prevention of sexually transmitted diseases, control of population growth, safe