The Science Olympiad Foundation (SOF) released the NSO Class 12th syllabus 2025. Students can find the SOF NSO 12th syllabus 2025 online at sofworld.org. The NSO 12th syllabus 2025 consists of three sections: Physics & Chemistry, Achievers Section and Mathematics/Biology. Students appearing for the NSO 12th exam 2025 can check out the topics included in the syllabus below.
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The SOF will conduct the NSO exam in two levels. The first level was held on November 13, November 27, and December 11, 2025, for Sets A, B, and C, respectively. Students can choose any one date to appear for the exam. Only those who clear the first level can appear in the second level. The NSO 12th syllabus can help students score good marks in the exam, as it consists of topics that need to be covered for the exam. Read further to learn in detail about the NSO syllabus for class 12th, steps to check the syllabus, exam pattern, etc.
Students preparing for the Olympiad can check out the overview of the NSO 2025 syllabus for class 12th below.
| Particulars | Details |
|---|---|
Exam conducting body | Science Olympiad Foundation (SOF) |
Exam name | SOF National Science Olympiad 2025 |
Total no. of questions | 50 questions |
Question type | Multiple Choice Questions |
No. of sections |
|
Total marks | 60 marks |
Exam duration | 1 hour |
Exam date | November 13, November 27 and December 11, 2025 |
Website | sofworld.org |
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The SOF NSO class 12th exam will be held for a duration of 1 hour. There are three sections in the NSO 12th class syllabus 2025. Below, we have provided a table for reference.
| Sections | Topics |
|---|---|
Section 1 | Physics:
Chemistry:
|
Section 2 | Higher Order Thinking Questions - Syllabus as per Section 1 |
Section 3 |
Or
|
Refer to the steps given below to check the NSO 2025 syllabus for class 12:
The NSO class 12th exam will be held in two levels, level 1 and level 2.
| Sections | No. of questions | Marks per question | Total marks |
|---|---|---|---|
Section 1: Physics & Chemistry | 25 | 1 | 25 |
Section 2: Achievers Section | 5 | 3 | 15 |
Section 3: Mathematics/Biology | 20 | 1 | 20 |
Total | 50 | 60 |
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Frequently Asked Questions (FAQs)
The SOF NSO level 1 class 12th exam was held on November 13, November 27, and December 11, 2025, for Set A, Set B, and Set C, respectively.
Students can find the NSO 12th syllabus 2025 online at sofworld.org.
On Question asked by student community
Hello Rehan
https://school.careers360.com/articles/sof-admit-card
You can visit this site for more details
I
You can check your NSO results online through the official Science Olympiad foundation (SOF), the level 1 results for the 2025-26 exams are expected to be announced in January 2026.
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.
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