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Trusted updates for Class 5th–12th PSEB students
PSEB Notes Class 12 Biology 2026 provide easy, chapter-wise explanations of all units from the latest Punjab Board syllabus. These notes help students understand key concepts, diagrams, definitions, and NCERT-based questions in a simple and exam-ready format.
Along with written notes, chapter-wise video material is included to support quick revision and visual learning. These resources make it easier for students to prepare for board exams, practicals, and competitive exams like NEET.
📄 Text Books & Manuals
| Material Name | Download |
|---|---|
| Biology Text Book (English Medium) | View PDF |
| Biology Text Book (Punjabi Medium) | View PDF |
| Biology Text Book (Hindi Medium) | View PDF |
| Lab Manual | View PDF |
| Bimonthly Syllabus (2025-26) | Download |
🎥 Video Lectures
| Lecture Topic | Watch |
|---|---|
| Chapter 1: Reproduction in Organisms | |
| Reproduction in Organism (Lecture 1) | Watch Video |
| Chapter 2: Sexual Reproduction in Flowering Plants | |
| Sexual Reproduction in Plants | Watch Video |
| Asexual Reproduction & Vegetative Propagation | Watch Video |
| Structure of Pollen Grain & Male Gametophyte | Watch Video |
| Development of Female Gametophyte & Ovules | Watch Video |
| Pollen Pistil Interaction & Incompatibility | Watch Video |
| Double Fertilization & Post Fertilization | Watch Video |
| Fruit & Seed Development | Watch Video |
| Chapter 3: Human Reproduction | |
| Male Reproductive System & Spermatogenesis | Watch Video |
| Female Reproductive System | Watch Video |
| Fertilization & Cleavage | Watch Video |
| Chapter 4: Reproductive Health | |
| Reproductive Health (Intro) | Watch Video |
| Reproductive Health & Population | Watch Video |
| Infertility & Current Treatments | Watch Video |
| Chapter 5: Principles of Inheritance and Variation | |
| Principles of Inheritance & Variation | Watch Video |
| Variations | Watch Video |
| Mendel’s Law of Dominance & Segregation | Watch Video |
| Sex Determination | Watch Video |
| Chapter 6: Molecular Basis of Inheritance | |
| Structure of DNA and RNA | Watch Video |
| DNA Packing & Genetic Material | Watch Video |
| DNA Replication | Watch Video |
| Transcription | Watch Video |
| Genetic Code & Properties | Watch Video |
| Regulation of Gene Expression | Watch Video |
| Human Genome Project | Watch Video |
| DNA Fingerprinting | Watch Video |
| Genetic Disorders & Chromosomal Disorders | Watch Video |
| Linkage & Crossing Over | Watch Video |
| Chapter 7: Evolution | |
| Evolution (Intro) | Watch Video |
| Geological Periods & History | Watch Video |
| Theories of Evolution (Lamarckism, Darwinism) | Watch Video |
| Organic Evolution & Evidences | Watch Video |
| Evolution of Man | Watch Video |
| Chapter 8: Human Health and Disease | |
| Types, Causes & Prevention of Diseases | Watch Video |
| Common Diseases in Humans | Watch Video |
| Immunity | Watch Video |
| Cancer: Characteristics, Causes & Treatment | Watch Video |
| Addiction: Drugs, Alcohol & Tobacco | Watch Video |
| Chapter 9: Strategies for Enhancement in Food Production | |
| Plant Breeding | Watch Video |
| Techniques of Plant Breeding | Watch Video |
| Single Cell Protein & Tissue Culture | Watch Video |
| Animal Husbandry (Part 1) | Watch Video |
| Animal Husbandry (Part 2) | Watch Video |
| Chapter 10: Microbes in Human Welfare | |
| Microbes in Human Welfare | Watch Video |
| Chapter 11: Biotechnology – Principles and Processes | |
| Principles & Tools of DNA Technology | Watch Video |
| Process of Recombinant DNA Technology | Watch Video |
| Chapter 12: Biotechnology and its Application | |
| Biotech Applications in Agriculture & Medicine | Watch Video |
| Chapter 13: Organisms and Populations | |
| Organism and its Environment | Watch Video |
| Population Attributes & Growth | Watch Video |
| Adaptations in Plants | Watch Video |
| Chapter 14: Ecosystem | |
| Ecosystem Structure & Function | Watch Video |
| Trophic Levels, Food Chain & Web | Watch Video |
| Ecological Pyramids & Succession | Watch Video |
| Chapter 15: Biodiversity and Conservation | |
| Biodiversity & Its Compounds | Watch Video |
| Importance of Biodiversity | Watch Video |
| Conservation of Biodiversity | Watch Video |
| Chapter 16: Environmental Issues | |
| Air Pollution and Its Control | Watch Video |
| Water Pollution and Its Control | Watch Video |
| Agrochemicals and Their Effects | Watch Video |
| Greenhouse Effect & Global Warming | Watch Video |
📚 Additional Study Material & Resources
| Material Type | Access Link |
|---|---|
| Simplified Material | View Material |
| Bilingual Notes | View Notes |
| Practice Sheets | Download |
| Daily Dose (2021-22) | Access |
| Sample Paper (General) | Download |
| Sample Paper (Sept-2025) | Download |
| Mission 100% | View Plan |
| Let’s Learn (2022-23) | View |
| Let’s Learn (2023-24) | View |
| Udaan Sheets (2022-23) | Download |
| Udaan Sheets (2023-24) | Download |
| Revision Test Paper | Practice |