Here is the complete Class 12 Biology content in English — including a motivating introduction, chapterwise NCERT-based index table, and an SEO-optimized H2 title — perfect for board exam and NEET preparation:
Understanding life is not just a subject — it’s a journey. And Biology is the science that opens the door to that journey. Class 12 Biology is not only essential for board exams but also forms the foundation for NEET and other medical entrance tests.
Here, you’ll explore how reproduction works, how genes are inherited, how evolution shaped life, and how humans interact with their environment. Biology is not about memorization alone — it’s about uncovering the secrets of life, health, and nature.
If you aspire to become a doctor, biotechnologist, researcher, or environmentalist, this subject will give you a powerful head start. So let’s dive into the fascinating world of Biology and step confidently toward your goals.
🧬 Class 12 Biology Notes PDF – Chapter-wise NCERT Guide as per New CBSE Syllabus
Biology is one of the most fascinating and high-scoring subjects in the CBSE curriculum. It is full of amazing facts, life processes, and groundbreaking discoveries that make learning truly exciting. For students of the science stream, Biology is not just another subject—it’s a gateway to careers in medicine, research, biotechnology, and healthcare.
Scoring well in Biology can open doors to top medical institutions and competitive exams like NEET. However, relying only on the NCERT Class 12 textbook is not always enough. To secure excellent marks, students need effective study resources such as well-structured notes, quick revision materials, and chapter-wise summaries.
That’s why we have created comprehensive CBSE Class 12 Biology Notes covering all chapters in detail. These notes are designed to make revision easy, concepts crystal clear, and exam preparation faster. Along with Class 12, students from Classes 6 to 12 can also access well-organized CBSE Notes compiled in one place.
| Chapter No. | Chapter Name | Key Topics Covered |
|---|---|---|
| 1 | Reproduction in Organisms(removed) | Asexual and sexual reproduction, life span, modes of reproduction |
| 2 | Sexual Reproduction in Flowering Plants | Flower structure, pollination, fertilization, seed and fruit formation |
| 3 | Human Reproduction | Male and female reproductive systems, menstrual cycle, pregnancy and parturition |
| 4 | Reproductive Health | Contraceptive methods, STDs, infertility, medical termination of pregnancy |
| 5 | Principles of Inheritance and Variation | Mendel’s laws, gene interaction, pedigree analysis, sex determination |
| 6 | Molecular Basis of Inheritance | DNA, RNA, replication, transcription, translation, genetic code |
| 7 | Evolution | Origin of life, evidence, Hardy-Weinberg principle, natural selection |
| 8 | Human Health and Disease | Immunity, diseases, vaccination, AIDS, cancer, allergies |
| 9 | Biotechnology: Principles and Processes | Recombinant DNA technology, vectors, cloning, PCR |
| 10 | Biotechnology and Its Applications | GM crops, gene therapy, biopiracy, transgenic animals |
| 11 | Organisms and Populations | Ecology, adaptations, population attributes and growth |
| 12 | Ecosystem | Food chains, energy flow, ecological pyramids, decomposition |
| 13 | Biodiversity and Conservation | Levels of biodiversity, endangered species, conservation methods |
| 14 | Environmental Issues (Removed) | Pollution, global warming, ozone depletion, waste management |
Chapters have been removed from the NCERT Class 12 Biology
The following chapters have been removed from the NCERT Class 12 Biology textbook.
| Reproduction in Organisms |
| Strategies for Enhancement in Food Production |
| Environmental Issues |
The Bachchantop 