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CBSE Class 12 Biology Board, Chapter-wise and Prelim Sample Question papers

CBSE Class 12 Biology syllabus helps students understand new concepts along with an extra emphasis to contemporary areas of the discipline. The course aims to focus on the fundamental principles that are common to both plants and animals. It also highlights the relationship of Biology with other areas of knowledge. The syllabus is formatted in a way that learners have a easy, comprehensible, sequential flow of concepts. Technology is used to relate the study of biology with real life. It showcases the relationship of innovations and discoveries in biology to daily life such as industry, environment, agriculture and health. The course strives to reduce the load on the students but also simultaneously ensuring that students get ample opportunities and scope for learning and understanding fundamental concepts of the discipline . CBSE Class 12 Biology course expects to:

  • Promote understanding of fundamental concepts of Biology
  • Inspire learning of emerging knowledge and its utility to individual and society

  • Encourage rational and scientific approach towards the issues related to environment, population and development

  • Increase the awareness of environmental problems, issues and their relevant solutions

  • Acquaint students about diversity in the living organisms and promoting respect for other living beings

  • Understand that the most complex biological happenings have a simple process on which they are built

  • Learners are given an exposure to different branches of Biology in a contextual and friendly manner

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Previous Year CBSE Class 12 Pre-board Biology Board Exam Question papers

Previous Year CBSE Class 12 Pre-board Biology School Question papers

CBSE Class 12 Biology Chapter-wise Question Papers

CBSE Class 12 Biology Sample Papers

CBSE Class 12 Biology syllabus has five units with multiple chapters in them. The units and chapters are as follows:


Chapter-1: Reproduction in Organisms

Chapter-2: Sexual Reproduction in Flowering Plants

Chapter-3: Human Reproduction

Chapter-4: Reproductive Health

Unit-Genetics and Evolution

Chapter-5: Principles of Inheritance and Variation

Chapter-6: Molecular Basis of Inheritance

Chapter-7: Evolution

Unit- Biology and Human Welfare

Chapter-8: Human Health and Diseases

Chapter-9: Strategies for Enhancement in Food Production

Chapter-10: Microbes in Human Welfare

Unit-Biotechnology and Its Applications

Chapter-11: Biotechnology - Principles and processes

Chapter-12: Biotechnology and its Application

Unit-Ecology and Environment

Chapter-13: Organisms and Populations

Chapter-14: Ecosystem

Chapter-15: Biodiversity and its Conservation

Chapter-16: Environmental Issues

For complete syllabus please refer to CBSE Class 12 Board Website

The practicals in CBSE Class 12 Biology account for 30 marks

CBSE Board prescribes following textbooks for Class 12 Biology

  1. Biology, Class 12, Published by NCERT
  2. Other related books and manuals published by NCERT including multimedia

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Previous Year CBSE Class 12 Question and Sample Papers

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