11th Class Biology New Book PDF Download (2025–26)
written by Muneeb TariqThe 11th Class Biology new book (2025–26) is published by the Punjab Curriculum and Textbook Board (PCTB) under the Single National Curriculum (SNC). This latest Biology 11 edition reflects the updated Punjab Board syllabus approved for Intermediate Part 1 examinations and replaces earlier textbooks.
The content structure follows the revised syllabus, beginning with Biodiversity and Classification and moving into Bacteria and Viruses, Cells and Subcellular Organelles, and Molecular Biology. Core biochemical concepts are addressed through updated units on Enzymes and Bioenergetics, reflecting current biological understanding.
Download Class 11 Biology Notes PDF
The syllabus then extends into applied biology, including Plant Physiology and key human system topics such as the Human Digestive System, Human Respiratory System, and Human Circulatory System, concluding with Human Skeletal and Muscular Systems. The inclusion of Structural and Computational Biology signals a clear update in the 2025–26 Biology syllabus.
This Biology 11 textbook uses standardized biological terminology, updated diagrams, and syllabus-aligned content required for Punjab Board assessments. It is intended for concept development, exam preparation, and practical understanding at the intermediate level.
Download Biology 11 New Book PDF (2025–26)
Download the latest 11th Class Biology PDF book prepared according to the updated Punjab Board syllabus 2025–26 and start your Intermediate Part 1 Biology preparation.
Chapter Wise FSC Part 1 Biology Book
Click on a link to download the book:
Chapter 2 – Biological Molecules
Chapter 6 – Kingdom Prokaryote (Monera)
Chapter 7 – The Kingdom Protista (or Protoctista)
Chapter 8 – Fungi – The Kingdom of Recyclers
Download 11th Class All Subjects Notes
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