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ISO Mock Tests for Classes 1-8 with Detailed Solutions


Prepare for the International Science Olympiad (ISO) with class-wise ISO mock tests, answers and detailed solutions on SOF Olympiad Trainer. These practice tests help students become familiar with the exam pattern, practise science and reasoning questions, and assess their preparation before the Olympiad.

Choose your class to explore ISO mock tests for Class 1, Class 2, Class 3, Class 4, Class 5, Class 6, Class 7 or Class 8. Practise online or use downloadable papers to prepare at your own pace.

With structured practice, answer explanations and exam-style questions, students can identify areas that need improvement and work towards more confident exam preparation.


Select your class and start your ISO preparation today!


Choose Your Class for ISO Mock Tests

Class 1 ISO Mock Tests Class 2 ISO Mock Tests Class 3 ISO Mock Tests Class 4 ISO Mock Tests Class 5 ISO Mock Tests Class 6 ISO Mock Tests Class 7 ISO Mock Tests Class 8 ISO Mock Tests

Features of Our ISO Mock Tests

  • Class-wise Science Olympiad practice
  • Questions designed around the relevant exam pattern and syllabus
  • Answers with explanations and solutions
  • Online practice and downloadable PDFs, where available
  • OMR-sheet practice
  • Level 1 and Level 2 preparation resources, where applicable

How to Prepare for the ISO Olympiad


Follow these steps to make the most of your ISO mock test practice:

  1. Revise the relevant class-wise syllabus.
  2. Practise questions topic by topic.
  3. Attempt a full-length mock test under timed conditions.
  4. Review incorrect answers and explanations.
  5. Practise weak topics before attempting another test.

Explore More ISO Preparation Resources

Related Pages Important Links
Previous Year Papers ISO Previous Year Papers
Sample Papers ISO Sample Papers for Classes 1-10
Chapter-wise Practice ISO Chapter-wise Question Bank
Level-2 Preparation ISO Level-2 Mock Tests
Concept Learning ISO Online Classes
Complete Preparation ISO Learner's Package

Frequently Asked Questions About ISO Mock Tests

You can find class-wise ISO mock tests on SOF Olympiad Trainer for Classes 1 to 8. Choose your class to explore available practice tests, answers and solutions.

Yes. ISO Mock tests are available for all classes. Students preparing for the International Science Olympiad can visit the ISO Mock Tests page of their respective classes, to explore the available class-specific practice resources.

The ISO mock tests on SOF Olympiad Trainer include answers and solutions for all the questions, helping students review their responses and understand how to approach questions.


Yes, Downloadable PDF papers are available for the ISO mock tests.


Mock tests help students practise exam-style questions, become familiar with the test format, manage their time and identify topics that need further revision.


Sample papers introduce students to the types of questions and exam format they may encounter. Mock tests are full-length tests that provide a more structured opportunity to practise under test-like conditions and assess preparation.

SOF Olympiad Trainer provides Level 2 preparation resources for eligible classes. Visit the ISO Level 2 section to check the available tests and preparation options.


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Related Links

ISO Sample Papers

ISO Content

ISO Syllabus

ISO Previous Year Papers

ISO Mock Test Papers

ISO Level-2