NSO Sample Papers 2025-26 for Class 1 to 12, Download PDF Here
The SOF has made NSO Sample Papers 2025-26 available in the form of a PDF file for all classes on the official website at sofworld.org. Using the provided links, students can also download the latest and previous years' sample papers of NSO from this article. They should solve NSO Olympiad sample papers, so they can practice with different types of questions and prepare for the SOF NSO exam.
This Story also Contains
- SOF NSO Exam Highlights 2025-26
- How to Download SOF NSO Sample Papers for Classes 1 to 12?
- Download NSO Sample Papers 2025-26 for Classes 1 to 12
- NSO Previous Years' Sample Papers for Classes 1 to 12 -Download PDF Here
- How to Effectively Use NSO Sample Papers 2025-26?
Students may learn about key elements of the SOF NSO exam 2025-26, including the exam pattern, question types, and significant topics from the NSO syllabus, by solving the NSO sample papers. These NSO sample papers may be used by students to prepare for level 1 and level 2 exams. NSO sample papers are discussed in detail below, along with download links.
SOF NSO Exam Highlights 2025-26
Go through the table given below to understand the NSO exam and its important details for the academic year 2025-26.
| Parameter | Details |
|---|---|
| Exam Organizing Body | Science Olympiad Foundation (SOF) |
| Eligibility | Students from classes 1 – 12, enrolled in a school recognized by SOF |
| Exam Level | Intermediate |
| Application Process | Via the Respective School Authorities |
| Exam Dates | Level 1 Exam Date 1: 13th November 2025Level 1 Exam Date 2: 27th November 2025Level 1 Exam Date 3: 11th December 2025 |
| Exam Mode | Offline |
| Fee of Registration | ₹125 |
| Frequency of Conduct | Once a year |
| Objective | To identify & foster passion for Science |
| Languages | English |
| Duration | 1 hour |
How to Download SOF NSO Sample Papers for Classes 1 to 12?
Students can download National Science Olympiad question papers easily by following the given steps:
- Go through the following table and click on the relevant link of the NSO sample paper as per the student’s class.
- It will open the Careers360 sample paper store.
- Click on free download, and it will redirect to the login/signup window
- First-time users need to sign up with their required details, whereas already registered students can log in and access the NSO model papers.
- Download the NSO sample papers and use them for future reference.
Download NSO Sample Papers 2025-26 for Classes 1 to 12
Students should solve the sample papers to understand the current marking scheme and exam pattern. Go through the table below to download NSO class-wise sample papers for 2025-26.
| Question Papers | Download Links |
|---|---|
NSO Class 1 Sample Paper 2025-26 | |
NSO Class 2 Sample Paper 2025-26 | |
NSO Class 3 Sample Paper 2025-26 | |
NSO Class 4 Sample Paper 2025-26 | |
NSO Class 5 Sample Paper 2025-26 | |
NSO Class 6 Sample Paper 2025-26 | |
NSO Class 7 Sample Paper 2025-26 | |
NSO Class 8 Sample Paper 2025-26 | |
NSO Class 9 Sample Paper 2025-26 | |
NSO Class 10 Sample Paper 2025-26 | |
NSO Class 11 Sample Paper 2025-26 | Click here |
NSO Class 12 Sample Paper 2025-26 |
NSO Previous Years' Sample Papers for Classes 1 to 12 -Download PDF Here
Students are advised to practice with NSO's previous years' sample papers for understanding the important topics and the typology of questions. Solving previous years' sample papers can help students improve their time management. Students can download the NSO's previous years' sample papers for classes 1 to 12 using the links provided in the tables below.
Download Class-wise NSO Sample Papers 2024-25
Students can download the NSO previous years' sample papers 2024 for classes 1 to 12 from the table below:
| Class (1 to 12) | Download link |
|---|---|
NSO Class 1 Sample Paper 2024-25 | Click here |
NSO Class 2 Sample Paper 2024-25 | Click here |
NSO Class 3 Sample Paper 2024-25 | Click here |
NSO Class 4 Sample Paper 2024-25 | Click here |
NSO Class 5 Sample Paper 2024-25 | Click here |
NSO Class 6 Sample Paper 2024-25 | Click here |
NSO Class 7 Sample Paper 2024-25 | Click here |
NSO Class 8 Sample Paper 2024-25 | Click here |
NSO Class 9 Sample Paper 2024-25 | Click here |
NSO Class 10 Sample Paper 2024-25 | Click here |
NSO Class 11 Sample Paper 2024-25 | Click here |
NSO Class 12 Sample Paper 2024-25 | Click here |
Download NSO Sample Papers 2023-24 for Class 1 to 12
Students can download the NSO previous years' sample papers 2023 for classes 1 to 12 from the table below:
| Class (1 to 12) | Download link |
|---|---|
NSO Class 1 Sample Paper 2023-24 | Click here |
NSO Class 2 Sample Paper 2023-24 | Click here |
NSO Class 3 Sample Paper 2023-24 | Click here |
NSO Class 4 Sample Paper 2023-24 | Click here |
NSO Class 5 Sample Paper 2023-24 | Click here |
NSO Class 6 Sample Paper 2023-24 | Click here |
NSO Class 7 Sample Paper 2023-24 | Click here |
NSO Class 8 Sample Paper 2023-24 | Click here |
NSO Class 9 Sample Paper 2023-24 | Click here |
NSO Class 10 Sample Paper 2023-24 | Click here |
NSO Class 11 Sample Paper 2023-24 | Click here |
NSO Class 12 Sample Paper 2023-24 | Click here |
Download NSO Sample Papers 2022-23 for Class 1 to 12
Students can download the NSO previous years' sample papers 2022 for classes 1 to 12 from the table below:
Class (1 to 12) | Download Link |
|---|---|
NSO Class 1 Sample Paper 2022-23 | |
NSO Class 2 Sample Paper 2022-23 | |
NSO Class 3 Sample Paper 2022-23 | |
NSO Class 4 Sample Paper 2022-23 | |
NSO Class 5 Sample Paper 2022-23 | |
NSO Class 6 Sample Paper 2022-23 | |
NSO Class 7 Sample Paper 2022-23 | |
NSO Class 8 Sample Paper 2022-23 | |
NSO Class 9 Sample Paper 2022-23 | |
NSO Class 10 Sample Paper 2022-23 | |
NSO Class 11 Sample Paper 2022-23 | |
NSO Class 12 Sample Paper 2022-23 |
Download NSO Sample Papers 2021-22 for Class 1 to 12
Students can download the NSO previous years' sample papers 2021 for classes 1 to 12 from the table below:
| Class (1 to 12) | Download Link |
|---|---|
NSO Class 1 Sample Paper 2021-22 | |
NSO Class 2 Sample Paper 2021-22 | |
NSO Class 3 Sample Paper 2021-22 | |
NSO Class 4 Sample Paper 2021-22 | |
NSO Class 5 Sample Paper 2021-22 | |
NSO Class 6 Sample Paper 2021-22 | |
NSO Class 7 Sample Paper 2021-22 | |
NSO Class 8 Sample Paper 2021-22 | |
NSO Class 9 Sample Paper 2021-22 | |
NSO Class 10 Sample Paper 2021-22 | |
NSO Class 11 Sample Paper 2021-22 | |
NSO Class 12 Sample Paper 2021-22 |
How to Effectively Use NSO Sample Papers 2025-26?
- After covering the entire NSO syllabus 2026 here, students should start solving these NSO question papers to practice with the types of questions asked.
- Solving NSO sample papers can help students learn about topics of importance and the kinds of questions that are asked about a particular topic.
- Attempt to solve these question papers without looking at the answer key, then compare their answers to the NSO's answer key for evaluation. By doing so, they will be able to identify their weak and strong areas and work on improving them.
- Try to answer every question within the allotted time. It will help students increase their speed.
- After solving, mark all of the answers on the OMR Sheet. Then, use the SOF NSO marking scheme for calculating the probable scores.
Frequently Asked Questions (FAQs)
Q: In the NSO exam, are questions from the NSO sample papers asked?
A:
NSO sample papers provided by SOF contain similar types of questions asked during the examination. The purpose of these question papers is to help students prepare for real exams.
Q: How useful are National Science Olympiad sample papers?
A:
Students benefit from NSO sample papers since they enable them to become familiar with important features of an exam. In addition, solving NSO sample papers will improve students' speed. This will help them to score well on the NSO exam.
Q: Who conducts the NSO exam 2025-26?
A:
The Science Olympiad Foundation conducts the NSO exam for the academic year 2025-26 for classes 1 to 12.
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Questions related to NSO
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Have a question related to NSO ?
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 the achievers section. according to the marking scheme, each question in the achievers section carries three marks, while questions in the other sections carry one mark each, with no negative marking for incorrect answers. by cross-checking their responses with the official set b key, students can assess their chances of qualifying for the level two examination. you can find the detailed question-wise answer key and download the pdf for class 9 set b by visiting the following link: https://school.careers360.com/articles/nso-answer-key
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.
Hello
You can visit the link I am attaching below, so that you can get access to the answer key for classes 1 to 12. The SOF(Science Olympiad Foundation) released the SOF NSO answer key for set A on December 16, 2025. You can also visit the official site of SOF website and look for the NSO answer key from there. By just selecting your class and set, you can download the PDF.
DIRECT LINK: CLICK HERE
Hello,
The National Science Olympiad is conducted by the Science Olympiad Foundation for the students from classes 9-12.
The aim of the examination is inculcate a passion for science in the students. The duration of examination is 1 hour.
Check out the official website of Careers360 for the answer keys of all sets. Link below.
https://school.careers360.com/articles/nso-answer-key
Thank you.
Hello,
Here is your SOF NSO Answer Key 2025-26. Kindly open open the link and check it out.
https://school.careers360.com/articles/nso-answer-key
I hope it will help you. For any further query please let me know.
Thank you.
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