The Punjab Curriculum and Textbook Board (PCTB) provides a Biology textbook in English medium for students in the first year of intermediate education (Grade XI) in Punjab, Pakistan. The textbook is designed to help students learn about the fundamentals of biology and their practical applications in various fields.

New 1st Year Biology Punjab Textbook
The 1st year Biology textbook in English medium covers a range of topics related to biology, including the cell, biological molecules, enzymes, bioenergetics, genetics, evolution, and ecology. The textbook consists of several chapters, each covering a specific topic in biology. Some of the major topics covered in the textbook include:
- Introduction to Biology
- The Cell
- Biological Molecules
- Enzymes
- Bioenergetics
- Nutrition
- Transport
- Respiration
- Excretion
- Coordination and Control
- Reproduction
- Genetics
- Evolution
- Ecology
The textbook includes explanations of the fundamental concepts, examples, practice exercises, and solved problems to help students learn and understand the material effectively. The Biology textbook in English medium is available in PDF format and can be downloaded for free from the PCTB website (www.pctb.punjab.gov.pk). Students and teachers can also purchase printed copies of the textbook from authorized bookstores and vendors.
It is important for students to refer to the latest curriculum and syllabus provided by the Punjab Board of Intermediate and Secondary Education (BISE) for their respective classes and subjects to ensure that they are covering the required topics and preparing for their exams effectively.