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PSEB Notes Class 12 Biology 2026 – Chapter-Wise Notes & Video Material

PSEB Notes Class 12 Biology 2026 – Chapter-Wise Notes & Video Material

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 NameDownload
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 TopicWatch
Chapter 1: Reproduction in Organisms
Reproduction in Organism (Lecture 1)Watch Video
Chapter 2: Sexual Reproduction in Flowering Plants
Sexual Reproduction in PlantsWatch Video
Asexual Reproduction & Vegetative PropagationWatch Video
Structure of Pollen Grain & Male GametophyteWatch Video
Development of Female Gametophyte & OvulesWatch Video
Pollen Pistil Interaction & IncompatibilityWatch Video
Double Fertilization & Post FertilizationWatch Video
Fruit & Seed DevelopmentWatch Video
Chapter 3: Human Reproduction
Male Reproductive System & SpermatogenesisWatch Video
Female Reproductive SystemWatch Video
Fertilization & CleavageWatch Video
Chapter 4: Reproductive Health
Reproductive Health (Intro)Watch Video
Reproductive Health & PopulationWatch Video
Infertility & Current TreatmentsWatch Video
Chapter 5: Principles of Inheritance and Variation
Principles of Inheritance & VariationWatch Video
VariationsWatch Video
Mendel’s Law of Dominance & SegregationWatch Video
Sex DeterminationWatch Video
Chapter 6: Molecular Basis of Inheritance
Structure of DNA and RNAWatch Video
DNA Packing & Genetic MaterialWatch Video
DNA ReplicationWatch Video
TranscriptionWatch Video
Genetic Code & PropertiesWatch Video
Regulation of Gene ExpressionWatch Video
Human Genome ProjectWatch Video
DNA FingerprintingWatch Video
Genetic Disorders & Chromosomal DisordersWatch Video
Linkage & Crossing OverWatch Video
Chapter 7: Evolution
Evolution (Intro)Watch Video
Geological Periods & HistoryWatch Video
Theories of Evolution (Lamarckism, Darwinism)Watch Video
Organic Evolution & EvidencesWatch Video
Evolution of ManWatch Video
Chapter 8: Human Health and Disease
Types, Causes & Prevention of DiseasesWatch Video
Common Diseases in HumansWatch Video
ImmunityWatch Video
Cancer: Characteristics, Causes & TreatmentWatch Video
Addiction: Drugs, Alcohol & TobaccoWatch Video
Chapter 9: Strategies for Enhancement in Food Production
Plant BreedingWatch Video
Techniques of Plant BreedingWatch Video
Single Cell Protein & Tissue CultureWatch Video
Animal Husbandry (Part 1)Watch Video
Animal Husbandry (Part 2)Watch Video
Chapter 10: Microbes in Human Welfare
Microbes in Human WelfareWatch Video
Chapter 11: Biotechnology – Principles and Processes
Principles & Tools of DNA TechnologyWatch Video
Process of Recombinant DNA TechnologyWatch Video
Chapter 12: Biotechnology and its Application
Biotech Applications in Agriculture & MedicineWatch Video
Chapter 13: Organisms and Populations
Organism and its EnvironmentWatch Video
Population Attributes & GrowthWatch Video
Adaptations in PlantsWatch Video
Chapter 14: Ecosystem
Ecosystem Structure & FunctionWatch Video
Trophic Levels, Food Chain & WebWatch Video
Ecological Pyramids & SuccessionWatch Video
Chapter 15: Biodiversity and Conservation
Biodiversity & Its CompoundsWatch Video
Importance of BiodiversityWatch Video
Conservation of BiodiversityWatch Video
Chapter 16: Environmental Issues
Air Pollution and Its ControlWatch Video
Water Pollution and Its ControlWatch Video
Agrochemicals and Their EffectsWatch Video
Greenhouse Effect & Global WarmingWatch Video
📚 Additional Study Material & Resources
Material TypeAccess 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
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