notes
Class 9 Biology Chapter 1 Notes – Introduction to Biology
Updated Nov 15, 2026
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Muhammad Asim is an Educational Content Author and Publisher at USTAD. He holds a BS in Computer Science (BSCS) from Virtual University and a Master of Information Technology (MIT) from the Pakistani Institute of Computer Sciences. He creates and maintains student-focused educational resources, including study notes, solved exercises, examination updates, scholarship information, and career guidance for students in Pakistan.
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