Notes Ch 4 Biotechnology Imp Question Science Class 8

This PDF contains revision notes for Chapter 4 of the Science syllabus for Class 8 under the PEC‑PECTAA board. The material is prepared in both English and Urdu, making it accessible to students who study in either medium. It focuses on the biotechnology section of the chapter, presenting key concepts, definitions, and important points that are likely to appear in the exam. The notes are organized in a concise, student‑friendly format, highlighting essential information without unnecessary detail. They are suitable for quick review before tests or for reinforcing classroom learning. By using clear language and bilingual explanations, the notes help learners grasp the main ideas of biotechnology at the eighth‑grade level.