NSEJS 2025 Syllabus & Exam Pattern Explained
FAQs on NSEJS Exam 2025: Complete Student Guide
1. What is NSEJS?
NSEJS stands for National Standard Examination in Junior Science, India's premier national-level Olympiad for Class 9 and 10 students covering Physics, Chemistry, Biology, and Mathematics.
Key facts:
- First step towards IJSO (International Junior Science Olympiad).
- Organized by IAPT and HBCSE.
- Tests problem-solving, scientific reasoning, and interdisciplinary science concepts.
- Acts as a selection gateway for INJSO, OCSC, and ultimately IJSO.
2. What is the eligibility for NSEJS?
To be eligible for NSEJS 2025, candidates must meet the following criteria:
- Class: Studying in Class 10 or below during the current academic year.
- Age: Born between 1st January 2010 and 31st December 2011 (tentative for 2025).
- Citizenship: Must be an Indian citizen.
- Should not have passed Class 10 board exam before 1st November 2025.
- Cannot apply for NSEA, NSEC, NSEB, or NSEP in the same year.
3. How to prepare for NSEJS?
The best way to prepare for NSEJS is to combine school syllabus mastery with Olympiad-level practice:
- Cover all NCERT/ICSE topics for Class 9–10 in Physics, Chemistry, Biology, and Maths.
- Practice with previous year NSEJS papers and mock tests.
- Use Olympiad-specific books like MTG Explorer and Pearson’s Science Olympiad Series.
- Focus on conceptual understanding and cross-disciplinary problem-solving.
- Take regular timed tests and join credible online coaching batches if needed.
4. What is the syllabus of NSEJS?
NSEJS syllabus broadly follows the CBSE/ICSE/State Boards' Class 9 and 10 syllabi for Physics, Chemistry, Biology, and Mathematics, but can include advanced and Olympiad concepts.
Main areas include:
- Physics: Light, SHM, Gravitation, Electricity, Magnetism, Motion, Heat.
- Chemistry: Acids and Bases, Mole Concept, Carbon Compounds, Periodic Table, Analytical Chemistry.
- Biology: Cell Biology, Genetics, Biodiversity, Evolution, Microbes.
- Mathematics: Number System, Algebra, Geometry, Trigonometry, Ratio and Proportion.
5. What is the exam pattern for NSEJS?
NSEJS exam pattern consists of:
- Total Questions: 80 multiple-choice questions (20 each from Physics, Chemistry, Biology, and Mathematics).
- Marking Scheme: +3 for correct answers, -1 for incorrect.
- Total Marks: 240.
- Duration: 2 hours (120 minutes).
- Languages: English and Hindi.
6. How to register for NSEJS?
Registration for NSEJS typically involves the following steps:
- Identify your nearest NSE centre/school listed by IAPT.
- Obtain and fill out the application form from the centre or your school.
- Submit the form with necessary documents (age/class proof) and pay the registration fee (around ₹150 as per last session).
- Collect your admit card before the exam date.
7. Is NSEJS and NSEA the same?
No, NSEJS is for Junior Science (Class 10 or below), while NSEA (National Standard Examination in Astronomy) is for higher classes focusing on astronomy and astrophysics.
Key differences:
- NSEJS: Physics, Chemistry, Biology, Maths for juniors.
- NSEA: Astronomy for Class 11–12 students.
- Different eligibility, pattern, and progression routes.
8. What are the benefits of NSEJS?
NSEJS offers multiple benefits to motivated science students:
- Gateway to INJSO, OCSC, and IJSO (international competitions).
- Early exposure to advanced science concepts and competitive exams.
- State and national merit certificates add to student resumes.
- Preparation base for future exams like JEE and NEET.
- Scholarships, career recognition, and networking with top students across India.
9. How to check NSEJS results?
NSEJS results are announced online by IAPT:
- Visit the official IAPT website during January (following the exam year).
- Enter your roll number and name to access your result.
- Check the cutoff scores for selection to the next stage (INJSO).
10. Where can I download NSEJS previous year papers and answer keys?
NSEJS previous year papers with answer keys can be downloaded from trusted Olympiad preparation platforms:
- Look for PDFs for years like 2023, 2022, 2021, and 2020 with solutions.
- Use these for realistic practice and to understand question difficulty and pattern.
- Practicing with official answer keys helps in exam strategy and self-assessment.
11. Can Class 8 or below apply for NSEJS if they meet the age criteria?
Yes, Class 8 students or below can apply for NSEJS if they satisfy the minimum age requirement and other eligibility criteria for the current session.
12. Is there any negative marking in NSEJS?
Yes, NSEJS has a negative marking system:
- -1 mark is deducted for each incorrect answer.
- This encourages careful reading and answering.

















