Students studying Biology Class 9 English Medium can download the official PCTB textbook here for free. This book is based on the Revised National Curriculum of Pakistan 2023 and has been approved by the Punjab Curriculum and Textbook Board, Lahore.
For 9th class board exam preparation, this updated textbook covers all essential Biology topics with a modern approach. The new 2025-26 edition includes expanded chapters on plant physiology, biostatistics, and biomolecules — making it more comprehensive than previous editions.
Book Overview
- Class: 9th Class / Matric Part 1
- Subject: Biology
- Medium: English
- Board: Punjab Board (PCTB)
- Edition: 2025-26 (Based on National Curriculum 2023)
- Total Chapters: 11
- Format: PDF (Free Download)
Chapter List
Chapter 1: The Science of Biology
Introduces Biology and its branches, the relation of Biology with other sciences, careers in Biology, Quranic instructions on the study of life, scientific method, theory and law, and Malaria as an example of biological method.
Chapter 2: Biodiversity
Covers biodiversity, classification systems, taxonomic ranks, history of classification, domains of living organisms, classification of Domain Eukarya, status of viruses, and binomial nomenclature.
Chapter 3: The Cell
Explains the cell, its structure, structural advantages of plant and animal cells, cell specialization, and stem cells.
Chapter 4: Cell Cycle
Covers the cell cycle, Mitosis, Meiosis, and a detailed comparison between Meiosis and Mitosis.
Chapter 5: Tissues, Organs, and Organ Systems
Explains levels of organization, organs and organ systems in plants, organs and organ systems in humans, and homeostasis.
Chapter 6: Biomolecules
Covers biomolecules including carbohydrates, proteins, lipids, nucleic acids, and the working of DNA and RNA.
Chapter 7: Enzymes
Explains metabolism, enzymes, mechanism of enzyme action, factors that affect enzyme activity, and enzyme inhibition.
Chapter 8: Bioenergetics
Covers ATP as the cell’s energy currency, photosynthesis, and cellular respiration.
Chapter 9: Plant Physiology
Explains nutrition and transport in plants, transpiration, transport of water and salts, translocation of food, gaseous exchange, mechanisms for excretion, and osmotic adjustments in plants.
Chapter 10: Reproduction in Plants
Covers types of asexual reproduction, artificial propagation, and sexual reproduction in plants.
Chapter 11: Biostatistics
Introduces biostatistics, mean, median, and mode, and bar charts — giving students basic data analysis skills for biological research.
Download Biology Class 9 English Medium PDF
Both versions are available below. Download the 2025-26 PCTB edition or the E-learn Punjab version.
2025-26 Edition (PCTB – National Curriculum 2023)
E-learn Punjab Edition
⬇ Download PDF (E-learn Punjab)
Who Should Read This
This book is for all 9th class students studying Biology in English medium under Punjab Board. It is especially useful for students in science groups planning to go into pre-medical. The new 2025-26 edition follows the National Curriculum 2023, so students appearing in current board exams should use this version. MDCAT aspirants will also benefit from the updated content on biomolecules, enzymes, and plant physiology.
Applicable Boards
This PCTB textbook is used across all Punjab Board affiliated schools — Lahore Board, Faisalabad Board, Gujranwala Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Khan Board, and Sahiwal Board. The syllabus is the same for all.
FAQs
Is this the 2025-26 Biology book for Class 9?
Yes. This is the new PCTB Biology textbook for Class 9 English medium, based on the Revised National Curriculum of Pakistan 2023.
How many chapters are in this new edition?
The 2025-26 edition has 11 chapters, which is different from the older 9-chapter edition. New chapters include Biomolecules, Plant Physiology, Reproduction in Plants, and Biostatistics.
What is the E-learn Punjab edition?
E-learn Punjab is a digital learning initiative by the Punjab government. The E-learn edition of this book is also available for free download above.
Can Urdu medium students use this book?
This is the English medium edition. A separate page is available for Urdu medium students to download the Urdu version of Biology Class 9.
Is Class 9 Biology important for MDCAT?
Yes. Class 9 and 10 Biology is the foundation of MDCAT preparation. The new 2025-26 edition covers biomolecules, enzymes, and bioenergetics in detail, which are key MDCAT topics.