International Junior Science Olympiad Previous Year Questions and Answer Keys PDF

International Junior Science Olympiad Previous Year Questions: The International Junior Science Olympiad (IJSO) is a competitive examination open to learners from all countries around the globe, specifically aimed at secondary school students. Learners from the 8th grade and above are eligible to take part in IJSO 2025.

You can find International Junior Science Olympiad Previous Year Question Papers along with their solutions directly on the official IJSO website. The IJSO Previous Year Question Paper, including MCQ, Theory, and Experiment sections, is easily approachable by the students here.

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International Junior Science Olympiad Previous Year Questions

IJSO Question Paper with solutions in PDF format is provided here. The IJSO (International Junior Science Olympiad) is the final stage for students to face the Junior Science Competition program. Students can also find solutions to the questions asked in the IJSO Previous Year Paper.

PW Faculty have compiled the solutions and students can refer to them to evaluate their performance in the upcoming exam. Students who aspire to attempt the IJSO exam are recommended to solve the International Junior Science Olympiad Previous Year Questions.

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IJSO Previous Year Questions Paper PDF

The IJSO Syllabus is not strictly categorized into the fields of biology, chemistry, and physics but rather aims to emphasize fundamental general ideas in science. The  International Junior Science Olympiad includes multiple-choice questions, theoretical exams, and experimental tests, each lasting 3-4 hours. Below you can find the IJSO Previous Year Question Paper PDF download link.

IJSO 2023 Previous Year Question Paper

In the below table we have compiled the IJSO 2023 Previous Year Question Paper.

 IJSO 2022 Previous Year Question Paper

Click on the below provided IJSO Previous Year Question Paper PDF for the year 2022, which includes all section i.e. MCQ, Theory and experiment.

IJSO 2021 Previous Year Question Paper

Students can download the IJSO Previous Year Paper to check the questions asked in the International Junior Science Olympiad. A valuable practice resource for candidates to improve concepts by solving IJSO PYQs.

IJSO 2019 Previous Year Question Paper

Olympiad Preperation Tips

International Junior Science Olympiad Pattern 2025

Multiple Choice Questions (MCQ):

• Number of Questions: 30 questions, Each section - Physics, Chemistry, and Biology carries 10 questions

• Marking Scheme: 1 mark for each correct answer, 0.25 marks is deducted for each incorrect response.

• Duration of exam: 3 to 4 hours

Theory Examination:

• Number of Questions: Typically includes sections from all three subjects.

• Marking Scheme: Detailed marking schemes are not available.

• Duration: 3 to 4 hours.

Practical Examination:

• Participants : Team event with three students per team.

• Content: An experimental test combining Physics, Chemistry, and Biology.

• Duration: 3 to 4 hours.

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Importance of International Junior Science Olympiad Previous Year Questions 

1. Familiar to the IJSO Exam Pattern: Previous year questions help students understand the structure of the IJSO exam, including the types of questions asked in physics, chemistry, and biology, as well as the distribution of marks across theoretical and practical sections. This reduces surprises on exam day and builds confidence.

2. Understanding Topic Weightage and Trends: Analyzing International Junior Science Olympiad Previous Year Paper tells recurring topics and concepts frequently tested, allowing students to prioritize their study efforts on important areas and manage their time effectively during preparation.

3. Improving Problem-Solving Skills: IJSO Previous year Questions not only theoretical knowledge but also practical and analytical skills. Practicing past questions helps students apply concepts to solve problems, enhancing critical thinking and scientific reasoning.

4. Time Management Practice: Solving IJSO previous papers under timed conditions helps students develop strategies to complete the exam within the allotted time, an essential skill for success in IJSO's multi-hour tests.

5. Assessment and Feedback: Attempting International Junior Science Olympiad past questions provides a benchmark to assess one's preparedness, identify strengths and weaknesses, and focus on areas needing improvement. Reviewing solutions also helps learn from mistakes and deepen understanding.

6. Boosting Confidence and Reducing Anxiety: Regular practice with past papers builds familiarity, which reduces test-related stress and increases self-confidence.

7. Comprehensive Preparation: Since IJSO covers physics, chemistry, and biology simultaneously, previous year questions help students integrate knowledge across these subjects and prepare for both theoretical and practical components.

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