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

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Manasvini GuptaUpdated on 01 Sep 2025, 10:35 AM IST

The Science Olympiad Foundation (SOF) has released 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

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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

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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 ?

hi,

the date for the NSO result has not been officially declared by the authorities but as per the information the NSO is likely to declare its results in march 2025 , of the level 2 exam which was held on February 9 2025 .

to get more information keep updated regarding the dates by visiting their official website .

hope this helps

Hello

Lost admin card for an NSO (National Science Olympiad) exam .

To get a lost admit card , visit the official exam website , log in with your registration details and re-download it . If you are unable to do so then to recover it , I recommend reaching out to the official NSO helpline or support team . they should be able to assist you in recovering your admin card .

Make sure to provide your relevant details such as your registration number , name and the email address you used to register .

For more details check out link given below :

https://school.careers360.com/articles/sof-admit-card

Thank you

The science Olympiad foundation conducts the national science Olympiad. NSO set A exam was conducted on 18th October 2024 and set B was conducted on November 12,2024 and set C esam will be held on December 3, 2024. Result of level is expected in  January 2025 and for level 2 and 3 is expected in February and March 2025. You can view sample papers by clicking NSO sample papers

Hello,

The NSO 2024–25 answer key is released on different dates for different sets. The SOF answer key will be released online.

To download the NSO 2024-25 answer key, follow these steps:

  1. Click on the link provided in the table above.
  2. The NSO 2024-25 answer key will appear on your screen.
  3. Press the download button to save it.
  4. The answer key will be downloaded in PDF format.
  5. Open the PDF and review the answers carefully. Use the answer key to calculate your scores.

Here you can get the answer key of NSO : https://school.careers360.com/articles/nso-answer-key

Hope it helps !

Hello Sunidhi,

The cutoff for the Class 6 National Science Olympiad (NSO) usually varies each year, depending on exam difficulty and student performance. For the 2024-25 exam, it is estimated to be around 40 marks, though official confirmation will be available with the results. The Science Olympiad Foundation (SOF) typically releases answer keys a few days after the exam, so you can expect the answer key for the November 12 exam (Set B) to be available shortly on their official website. Keep checking there for the latest updates on answer keys and cutoffs.


For more details, you can check out an article by Careers360 whose link is given below:

Link: https://school.careers360.com/articles/nso-syllabus


I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.