NSO Class 11 Syllabus 2025 – SOF National Science Olympiad Exam Pattern & PDF
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NSO Class 11 Syllabus 2025 – SOF National Science Olympiad Exam Pattern & PDF

Mangane PriyankaUpdated on 12 Dec 2025, 12:02 PM IST

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

  1. Highlights of SOF NSO 11th Syllabus & Exam Pattern 2025
  2. NSO Class 11 Syllabus 2025
  3. SOF NSO Class 11 Level 1 & Level 2 Exam Pattern 2025-26
  4. SOF NSO Eligibility Criteria 2025: Level 1 vs Level 2
NSO Class 11 Syllabus 2025 – SOF National Science Olympiad Exam Pattern & PDF
NSO Class 11 Syllabus 2025

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

  • Physics/Chemistry

  • Achievers Section

  • Mathematics/Biology

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

SectionSyllabus

Section 1

Physics:

  • Units and Measurements,

  • Mechanics,

  • Properties of Matter,

  • Heat and Thermodynamics,

  • Oscillations & Waves.

Chemistry:

  • Some Basic Concepts of Chemistry,

  • Structure of an Atom,

  • Classification of Elements and Periodicity in Properties,

  • Chemical Bonding and Molecular Structure,

  • Thermodynamics,

  • Equilibrium,

  • Redox Reactions,

  • Organic Chemistry - Some Basic Principles and Techniques,

  • Hydrocarbons.

Section 2

Higher Order Thinking Questions - Syllabus as per Section 1.

Section 3

Mathematics:

  • Sets, Relations and Functions,

  • Logarithms,

  • Complex Numbers,

  • Linear Inequalities,

  • Sequences and Series,

  • Trigonometry,

  • Straight Lines,

  • Conic Sections,

  • Permutations and Combinations,

  • Binomial Theorem,

  • Statistics,

  • Limits and Derivatives,

  • Probability,

  • Introduction to 3-D Geometry.

or

Biology:

  • Diversity in the Living World,

  • Structural Organisation in Plants and Animals,

  • Cell: Structure and Functions,

  • Plant Physiology,

  • Human Physiology.

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: 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.

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.

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Questions related to NSO

On Question asked by student community

Have a question related to NSO ?

Hello aspirant ,

No The results of The Level-1 NSO exams (Set A, B & C) which were conducted with Set C  are not yet released.

The result of National Science Olympiad for the 2025-26 session are expected to be released in January 2026 on the official SOF results portal,

Hello Rehan

  • To download the admit card of IPE,NSO,IMO,SFO you should visit the official site of sof world
  • Then you can choose the specific exam and level
  • Enter your roll no. And security code
  • You can download your admit card.

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