The Punjab Curriculum and Textbook Board (PCTB) has released the official Biology Class 9 Book (2025 Edition) under the Single National Curriculum (SNC). This book is part of the science group syllabus and is now taught in all public and private schools in Punjab.
In this blog, you’ll get the free PDF download link, a full overview of the book, and useful information to help students prepare for their board exams.
What is Biology in Class 9?
Biology is the science of life — it explains how living organisms grow, survive, and interact with the world. The Class 9 Biology book introduces students to the structure and function of cells, tissues, organs, and biological systems.
Key topics include:
- Introduction to Biology and life science
- Cell structure and function
- Biodiversity and classification
- Gaseous exchange in plants and animals
- Nutrition in humans and plants
- Transport and movement in living organisms
- Bioenergetics (photosynthesis and respiration)
Approved by Punjab Board (PCTB)
This book is officially approved by the Punjab Curriculum & Textbook Board (PCTB) for the 2025 academic session under the Single National Curriculum.
It is designed for:
- All 9th Class science group students
- English medium schools
- Punjab Board syllabus followers
Download Biology Class 9 Book PDF
You can download the Biology Class 9 Book (2025 New Syllabus) in PDF format from the official Google Drive link below:
- Completely Free
- No registration required
- Mobile and PC compatible
What’s Inside the Book?
The book is designed with a focus on theory and practical knowledge:
- Diagrams and labeled illustrations
- Key definitions and biological terms
- MCQs, short and long questions
- Easy explanations of biological processes
- End-of-chapter exercises and review tasks
Why Study Biology?
Studying Biology in Class 9 helps students:
- Understand the basics of life and health
- Prepare for Class 10 and pre-medical studies
- Build observation and analytical skills
- Score well in science board exams
Related Subjects to Download
For complete Class 9 Science Group preparation, students should also download:
FAQs – Common Questions from Students
The official PCTB textbook is best. You can also use Biology guides and solved papers for extra practice.
The Punjab Board’s official book is the most recommended for board exams.
Biology is the study of living organisms — their structure, function, growth, and interactions.
The first chapter is usually “Introduction to Biology” which defines biology and its branches.
Many students find “Bioenergetics” or “Transport” difficult due to complex processes and diagrams.
Final Words
The Biology Class 9 Book (2025 New Syllabus) is a key subject for students in the pre-medical or science group. It builds your foundation in life sciences and helps you perform better in exams.