International Olympiad of Science (IOS) PDF Sample Papers
IOS Sample Papers for Class 10 - Free Download (Level 1)
This paper is close to what students see in the actual iOS exam. The format is kept the same. Most students use it as a timed practice test or to understand the layout. Going through it once helps with question flow and time planning.
Sample PDF of SilverZone - International Olympiad of Science (IOS) PDF Sample Papers for Class 10:
SilverZone iOS Exam Dates 2025-26 for Class 10 (Level 1)
There are two exam dates. Each school picks one based on their schedule. While the paper sets are different, the format is fixed. Students prepare using one standard structure.
The questions are based on the Class 10 science curriculum. Nothing outside the classroom syllabus is asked. Most students prepare by going through class notes and reviewing core concepts.
The answer key is posted online after the paper. It helps students check their responses. A short review shows which areas need better focus in future attempts.
