11th Class Biology Book Punjab Board (PTCB) 2025 – Free Download PDF & View Online

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Overview

The 11th Class Biology Book Punjab Board (PTCB) 2025 edition is based on the revised national curriculum of Pakistan. Published by Punjab Education, Curriculum, Training and Assessment Authority (PECTAA), this textbook covers foundational and advanced concepts in biology, including biodiversity, molecular biology, human physiology, and more. It is designed for students of the Punjab Board to prepare for exams with a clear, comprehensive, and up-to-date syllabus. Students can download the PDF or view it online for free.

Chapters List:

  • Chapter 1: Biodiversity and Classification
  • Chapter 2: Bacteria and Viruses
  • Chapter 3: Cells and Subcellular Organelles
  • Chapter 4: Molecular Biology
  • Chapter 5: Enzymes
  • Chapter 6: Bioenergetics
  • Chapter 7: Structural and Computational Biology
  • Chapter 8: Plant Physiology
  • Chapter 9: Human Digestive System
  • Chapter 10: Human Respiratory System
  • Chapter 11: Human Circulatory System
  • Chapter 12: Human Skeletaland Muscular Systems

You can view the Biology book online or download the PDF directly from our platform. This resource is provided to help students and teachers access educational content freely and conveniently.