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    SOF NSO Class 10 Syllabus 2025-26 & Exam Pattern PDF, Topics, Marking Scheme

    SOF NSO Class 10 Syllabus 2025-26 & Exam Pattern PDF, Topics, Marking Scheme

    Manasvini GuptaUpdated on 12 Dec 2025, 11:48 AM IST

    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.

    This Story also Contains

    1. SOF NSO Class 10 Syllabus 2025-26 - Highlights
    2. SOF NSO Class 10 Syllabus 2025-26
    3. SOF NSO Exam Pattern 2025-26
    SOF NSO Class 10 Syllabus 2025-26 & Exam Pattern PDF, Topics, Marking Scheme
    SOF NSO Class 10 Syllabus 2025-26

    SOF NSO Class 10 Syllabus 2025-26 - Highlights

    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

    SOF NSO Class 10 Syllabus 2025-26

    The NSO exam for Class 10 is divided into four sections. The section-wise syllabus is given below:

    Section 1: Verbal and Non-Verbal Reasoning

    • Verbal Reasoning

    • Non-Verbal Reasoning

    • Series Completion

    • Analogy

    • Coding-Decoding

    • Blood Relations

    • Direction Sense Test

    • Ranking and Ordering

    • Puzzle Test

    • Venn Diagrams

    Section 2: Science (Class 9 & 10 Topics)

    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

    Section 3: Mathematics/Quantitative Aptitude

    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

    Section 4: Achievers Section (HOTS)

    • Higher-Order Thinking Questions

    • Based entirely on Section 2 topics (Class 10 syllabus)

    • Conceptual and application-driven problems

    SOF NSO Exam Pattern 2025-26

    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:

    NSO Exam Pattern 2025-26 for Level 1

    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

    NSO Exam Pattern 2025-26 for Level 2

    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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    Questions related to NSO

    On Question asked by student community

    Have a question related to NSO ?

    Hello there,

    he Science Olympiad Foundation released the SOF NSO results for the level 1 exam on January 12, 2026 . The Science Olympiad Foundation will declare the NSO Level 2 result in March 2026.

    The NSO results 2025-26, level 1 is available online at sofworld.org. To check the SOF

    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