NSO Exam Date:11 Dec' 25 - 11 Dec' 25
SOF NSO 2025-26 - The Science Olympiad Foundation (SOF) is responsible for conducting the SOF NSO exam. The foundation conducts the exam in two levels, Level 1 and level 2. Students studying in Class 1 to Class 12 can apply for the SOF NSO 2025-26 level 1 exam. Whereas, the NSO level 2 exam is held for students from classes 3 to 12. SOF NSO 2025-26 registration is typically concluded 30 days before the exam date. Students can register through their respective schools.

| Full Exam Name | National Science Olympiad |
| Short Exam Name | NSO |
| Conducting Body | Science Olympiad Foundation |
| Frequency Of Conduct | Once a year |
| Exam Level | Intermediate |
| Languages | English |
| Mode Of Application | offline |
| Application Fee | Offline : 125 |
| Mode Of Exam | offline |
| Exam Duration | 1 Hour |
NSO National Science Olympiad (session 2025)
SOF NSO Exam Pattern 2025-26 - Level 1
| Particulars | NSO 2025 Level 1 |
| Type of questions | Multiple Choice Questions (MCQs) |
| Time duration | 60 minutes |
Number of questions and marks | Class 1 – 4: 35 questions (40 marks) Class 5 – 12: 50 questions (60 marks) |
| Sections | Class 1 – 10: Section-1: Logical Reasoning Class 11 – 12: Section-1: Physics/Chemistry |
| Medium of paper | English |
Syllabus | CBSE, ICSE/ISC and State Board syllabi |
Class 6-Science: Unit 09
Class 7-Science: Unit 17
The foundation will release the Level 1 exam admit cards one or two weeks before the exams. Students can collect their NSO admit cards from the respective school authorities. Whereas, the candidates will be able to download the NSO admit card for the level 2 exam from the official website.
NSO Level 1 cutoff is released a few days before the result announcement. Till then, students can check previous years' cutoff below.
NSO Cutoff 2023-24 (Level 1) for Class 3 to 10
NSO (2023-24) - 1ST LEVEL CUT-OFF TOP-5%
CLASS | TOTAL MARKS | ACHIEVERS SECTION | SCIENCE | LOGICAL REASONING |
03 | 31 | 6 | 22 | 3 |
04 | 30 | 6 | 20 | 4 |
05 | 40 | 9 | 24 | 7 |
06 | 40 | 9 | 21 | 10 |
07 | 39 | 12 | 20 | 7 |
08 | 37 | 6 | 26 | 5 |
09 | 38 | 12 | 23 | 3 |
10 | 40 | 12 | 22 | 6 |
CLASS | TOTAL MARKS | ACHIEVERS SECTION | PHYSICS & CHEMISTRY | SCIENCE |
11 | 32 | 12 | 9 | 11 |
12 | 35 | 9 | 12 | 14 |
Contact Number:
01244951200 + 2 more
Relevant Links:
Official Website Link Click HereFrequently Asked Questions (FAQs)
NSO exam is held at the respective schools within school hours only.
No, SOF does not accept less than 10 applications from a school.
Students have to follow their course books and solve the NSO sample papers to prepare for the NSO exam.
No, there is no negative marking in the NSO exam 2025-26.
The SOF NSO answer keys for Set A, Set B, and Set C will be released a few days after the exam.
On Question asked by student community
Hello,
29 out of 40 score generally consider very good score if exams difficulty was moderate to high and it show strong conceptual understanding and accuracy although your ranking depends on overall performance of nation wide and your level of class
From this score you can get decent rank and percentile
I hope you find this helpful!!!
Thank you
Hi dear candidate,
You can try again downloading the answer key for Science Olympiad Foundation NSO question papers from class 1st to 12th of set A,B and C on our official website with the link attached below:
SOF NSO Answer Key 2025-26 for Class 1 to 12, Download PDF (Set A, B, C)
BEST REGARDS
Hii,
U can download ur NSO 2025-26 question papers from this link NSO sample papers 2025-26
Hope this information might be useful for u. Good luck.
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