Class XIIth Biology basically includes some important chapters from the NCERT book like Sexual Reproduction in Flowering Plants, Human Reproduction, Molecular Basis of Inheritance, Evolution, Organisms and Populations, Ecosystem, Microbes in Human Welfare and Biodiversity and Conservation etc. Below, we have provided the CBSE Class XIIth Biology Notes on all these chapters. Click on the chapters below to access the chapter-wise Notes of the Class XIIth Biology subject.