There are fewer sites with ICSE boards study material as compared to that of CBSE boards. As the ICSE chapters are more elaborated versions and varied, there is a need for good secondary study source. Biology is anyway tough for Class 9 students owing to lengthy chapters and new concepts. These chapters require good explanation and better learning way to retain. As class 9 is an important class for ICSE boards and it is a preparation step for class 10, students must learn sincerely and effectively. Chapters learnt in class 9 with strong concepts will help students in the long run. There are chapters in class 9 Biology which requires good understanding as well as an innovative way to learn it for retaining. The Movement and Locomotion in Human Skeleton are one of the lengthiest chapters also it requires students to be clear with their concepts. This chapter has a lot of factual data as well as therefor for class 9 Biology, fun learning is a need to ease student’s pressure. In Class 12 and Class 11 of ICSE, there is are elaborated chapters on a similar topic so having clear concepts help in the long run as well. For the same students must invest in searching good apps and websites with high-quality ICSE boards study material to study from. An app designed in a user-friendly manner will help ease students’ stress. There are various apps available in the market which claims to have all the chapter wise explanation of ICSE boards but what is important is the way they present. Extramarks app is one of the best online platforms for students of Class 9. Class 9 ICSE board study material is available on the app, presented in an innovative manner which breaks the monotony of lengthy chapters and helps retain information better. Movement and Locomotion of Human Skeleton of class 9 ICSE notes available on the Extramarks app are of great benefit for students to learn. There is a chapter-wise explanation on the app. Question banks and MCQs which help learn chapters in the form of questions. Audiovisuals of Biology chapters available on the app are a great way of learning as some topics which are difficult to understand through chapters alone can be understood through video lectures better. Students of class 9 should refer to the Extramarks app for ICSE board study material.