NSO Class 11 Syllabus 2025 – SOF National Science Olympiad Exam Pattern & PDF
The Science Olympiad Foundation released the SOF National Science Olympiad (NSO) Syllabus 2025 for Class 11. The SOF NSO syllabus includes three sections, namely Physics/Chemistry, the Achievers section, and Mathematics/Biology. Students can visit the official website at sofworld.org to access and download the SOF NSO syllabus 2025 for Class 11. The exam pattern of the NSO Olympiad for the 11th Class includes 50 questions with 60 marks in total.
This Story also Contains
- Highlights of SOF NSO 11th Syllabus & Exam Pattern 2025
- NSO Class 11 Syllabus 2025
- SOF NSO Class 11 Level 1 & Level 2 Exam Pattern 2025-26
- SOF NSO Eligibility Criteria 2025: Level 1 vs Level 2
The SOF Foundation conducted the SOF NSO examination 2025 for the academic year 2025-26 on November 13, November 27, and December 11, 2025, for Sets A, B, and C, respectively. Students who want to appear for the National Science Olympiad must go through the entire syllabus section-wise to prepare well. Read the article to learn more about the NSO Class 11 syllabus 2025.
Highlights of SOF NSO 11th Syllabus & Exam Pattern 2025
Particulars | Details |
|---|---|
Exam name | SOF National Science Olympiad 2025 |
Conducting body | Science Olympiad Foundation (SOF) |
Total number of questions | 50 questions |
Total marks | 60 marks |
Exam duration | 60 minutes (1 hour) |
Exam Level | Level 1 and Level 2 |
Question type | Multiple Choice Questions (MCQs) |
Number of sections in Level 1 and Level 2 |
|
Official website | sofworld.org |
Also, check - NSO Sample Papers
NSO Class 11 Syllabus 2025
The Science Olympiad Foundation released the NSO syllabus 2025 for Class 11 for all sections. There are a total of 3 sections that students need to complete preparation for the olympiad. Check out the table below to learn more about the detailed syllabus of the SOF NSO 11th Class.
SOF NSO 11th Class 2025 Syllabus: Section-Wise
| Section | Syllabus |
|---|---|
Section 1 | Physics:
|
Chemistry:
| |
Section 2 | Higher Order Thinking Questions - Syllabus as per Section 1. |
Section 3 | Mathematics:
|
or | |
Biology:
|
SOF NSO Class 11 Level 1 & Level 2 Exam Pattern 2025-26
The SOF proposed the same exam pattern for the level 1 and level 2. Students must note that the level 1 passed can appear for the 2nd level examination. Check out the table below to learn more about the NSO exam pattern for Class 11 for the two levels.
Class | Section | No. of Questions | Marks/Question | Total Marks |
|---|---|---|---|---|
11th Class | Section – 1: Physics & Chemistry | 25 | 1 | 25 |
Section – 2: Achievers Section | 5 | 3 | 15 | |
Section – 3: Mathematics/Biology | 20 | 1 | 20 | |
Grand Total | 50 | 60 |
Segregation of the SOF NSO Class 11 Syllabus 2025
60% of the SOF NSO Level 1 Olympiad exam questions will be from the present 11th class syllabus.
40% of the syllabus will be from the previous class.
The SOF NSO 11th Class Level 2 Olympiad exam questions will be from the present Class 11 syllabus only.
The Achievers section of the SOF NSO Class 11 syllabus questions will also be from the current class syllabus only.
SOF NSO Eligibility Criteria 2025: Level 1 vs Level 2
The National Science Olympiad is a competitive exam that challenges candidates to showcase their skills and knowledge in various aspects of logical reasoning and science. Check out the table below to learn more about the SOF NSO Eligibility criteria.
SOF NSO Level 1 Eligibility | SOF NSO Level 2 Eligibility |
|---|---|
Students from Classes 1 to 12 from a recognised SOF school are eligible to participate. | Only students from classes 3 to 12 are eligible to participate in the SOF NSO Level 2 exam. |
Candidates from a particular class can appear for that set of Olympiads only. | Candidates from Classes 1 and 2 are not eligible to take part in the olympiad. |
The top 5% of the class-wise participating students in the NSO level 1 exam will be selected for the level 2. |
Also, check -
Frequently Asked Questions (FAQs)
Q: Is there any difference between the SOF NSO level 1 and level 2 syllabus?
A:
No, there is no difference between the SOF NSO syllabus for levels 1 and 2. Both levels of the Olympiad include the same 3 sections.
Q: When will the SOF NSO 2025-26 examination be held?
A:
The SOF Foundation conducted the NSO examination on November 13, November 27, and December 11, 2025, for Sets A, B, and C, respectively.
Q: Where can I download the SOF NSO Class 11 Syllabus and exam pattern 2025?
A:
Students can visit the official website at sofworld.org to download the SOF NSO 11th Class 2025 syllabus and exam pattern. They can also check out the above article to access the NSO syllabus 2025-26.
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Questions related to NSO
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Have a question related to NSO ?
Hello,
For NSO level 2 students qualify via top perfomance in Level 1. I have attached the link for NSO results 2025 - 2026 in which you can get the results by entering your school code and roll number. Kindly check the below link and get your results.
https://school.careers360.com/articles/nso-result
I
The nso answer key for class 9 set b is a critical resource for students to calculate their expected scores and analyze their performance in the national science olympiad. the answer key provides the correct options for all fifty questions, which are divided into three sections: logical reasoning, science, and
Hello,
The link to the answer key is attached herewith. You can find the answer key on the website of Careers360. It will help you analyse your in-depth performance.
https://school.careers360.com/articles/nso-answer-key
Thank you.
Hello
You can visit the link I am attaching below, so that you can get access to the answer key for classes 1 to 12. The SOF(Science Olympiad Foundation) released the SOF NSO answer key for set A on December 16, 2025. You can also visit the official site of
Hello,
The National Science Olympiad is conducted by the Science Olympiad Foundation for the students from classes 9-12.
The aim of the examination is inculcate a passion for science in the students. The duration of examination is 1 hour.
Check out the official website of Careers360 for the answer keys
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