The Science Olympiad Foundation (SOF) released the NSO 10th syllabus for all sections. Students appearing for the NSO exam should be well-prepared with the updated NSO Class 10 syllabus 2025-26. The SOF NSO is conducted at two levels. The Level 1 NSO exam tests students on their reasoning ability, science, and higher-order thinking skills. For Class 10, the NSO Level 1 paper comprises 50 questions to be solved in 60 minutes. Selected students from NSO Level 1 will qualify for the NSO Level 2 exam, which is based entirely on the Class 10 syllabus. Go through the following sections to check the SOF NSO Class 10 syllabus and exam pattern 2025-26.
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Students who are going to appear in the National Science Olympiad can go through the table below to get major highlights of the NSO Class 10th syllabus and other details:
Particulars | Details |
|---|---|
Exam duration | 60 minutes |
Total questions | 50 |
Total marks | 60 |
Exam levels | Level 1 and Level 2 |
NSO Level 1 syllabus distribution | 60% from the Class 10 syllabus, 40% from the Class 9 syllabus |
NSO Level 2 syllabus distribution | 100% from the Class 10 syllabus |
Sections in level 1 | Verbal & Non-Verbal Reasoning, Science (Class 9 & 10 topics), Mathematics/Quantitative Aptitude, Achievers Section |
Sections in level 2 | Science & Achievers Section |
Question type | Objective (Multiple Choice Questions) |
Official website | sofworld.org |
The NSO exam for Class 10 is divided into four sections. The section-wise syllabus is given below:
Verbal Reasoning
Non-Verbal Reasoning
Series Completion
Analogy
Coding-Decoding
Blood Relations
Direction Sense Test
Ranking and Ordering
Puzzle Test
Venn Diagrams
The main science concepts tested in NSO for Class 10 are as per the Class 10 NCERT syllabus, along with important fundamentals from Class 9. Topics include:
Real Numbers
Polynomials
Pair of Linear Equations in Two Variables
Quadratic Equations
Arithmetic Progressions
Triangles
Coordinate Geometry
Introduction to Trigonometry
Applications of Trigonometry
Circles
Areas Related to Circles
Surface Areas and Volumes
Statistics
Probability
This section assesses the application of mathematical reasoning and problem-solving skills. Topics include:
Word Problems
Data Interpretation
Profit & Loss
Speed, Time & Distance
Time & Work
Ratio & Proportion
Percentage
Simple & Compound Interest
Miscellaneous Quantitative Problems
Higher-Order Thinking Questions
Based entirely on Section 2 topics (Class 10 syllabus)
Conceptual and application-driven problems
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The NSO 2025-26 exam will be conducted at two levels. The NSO Level 1 and Level 2 exam pattern is given below for students’ reference:
Section | No. of Questions | Marks/Question | Total Marks |
|---|---|---|---|
Verbal & Non-Verbal Reasoning | 15 | 1 | 15 |
Science (Class 9 & 10 topics) | 20 | 1 | 20 |
Mathematics / Quantitative Aptitude | 10 | 1 | 10 |
Achievers Section | 5 | 3 | 15 |
Grand Total | 50 | 60 |
Section | No. of Questions | Marks/Question | Total Marks |
|---|---|---|---|
Science | 45 | 1 | 45 |
Achievers Section | 5 | 3 | 15 |
Grand Total | 50 | 60 |
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On Question asked by student community
Hello Aspirant , Hope your doing great . As per your query , The NSO is open to the students of classes 1 to 12. Prospectus containing the Registration forms are sent to all schools registered with SOF . Schools not registered may also request for prospectus by sending an
Hello Aspirant
Yes, you are eligible to write the Class 12 exam, provided that you are currently studying in that class; the Class 12 board exams typically fall in the month of February or March.
Benefits of writing the Class 12 exam
Completion of Education: After successfully passing the Class
Correct Answer: National Statistical Office (NSO)
Solution : The correct answer is the National Statistical Office (NSO).
The poverty line in India is primarily based on surveys conducted by the National Sample Survey Office (NSSO). The NSSO, under the Ministry of Statistics and Programme Implementation, conducts periodic surveys to collect
Hello
For Academic year 2022-23 there is no such guidelines for individual registration.
This was only valid for year 2021-22 due to covid 19 . So, you can only register through your school.
It would be better to form group of students and reach to school authority to put your
Hey aspirant,
I will surely assist you Can you tell me particularly which exam you’re talking about. All the best!