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 Class XIIth Biology Sample Papers on all these chapters. Click on the Question Papers below to access the Sample Papers of the Class XIIth Biology subject.