1st Year Biology Unit 1 Notes (New Book 2025-26): Biodiversity and Classification – All Punjab Boards
How do biologists keep track of millions of different living things without getting lost? That question sits at the heart of Biodiversity and Classification, the opening unit of the new PECTAA Biology textbook for Class 11. Punjab introduced this book in the 2025-26 session, and the names, groups and ranks you meet here come back…