Class 5 sample paper & practice questions for International Olympiad of Science (IOS) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.
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Sample PDF of SilverZone - International Olympiad of Science (IOS) PDF Sample Papers for Class 5:
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Answers to Sample Questions from Olympiad Success: