NSO Sample Paper PDF And Answer for Classes 1 to 12

NSO Sample Paper: NSO sample papers are model test question papers designed to give students a clear understanding of the Olympiad exam pattern, types of questions, and the marking scheme.

National Science Olympiad Papers are crafted by subject experts and are aligned with the latest NSO syllabus, ensuring students practice relevant and up-to-date content.

These sample papers usually include all sections of the real NSO exam, such as Logical Reasoning, Science, and Achievers’ Section.

Also Read: SOF Olympiad Exams 2025

NSO Sample Paper

The NSO Exam typically consists of three sections: Logical Reasoning, Science and Achievers' Section. The number of questions and marks distribution may vary by class, but sample papers reflect the actual exam's structure.

For Level 1, questions are based on both current and previous class syllabus, while Level 2 focuses on the current class only.

These sample papers are available for free PDF download. Practicing with these papers allows students to familiarize themselves with essential topics and grasp the International General Knowledge Olympiad exam pattern.

NSO Sample Paper PDF Link

National Science Olympiad Sample Papers are available for the students for practice. It is convenient for Olympiad participants to practise the SOF NSO Sample Papers as we have provided the NSO Sample Paper PDFs Link for Classes 1 to 12 along with the Answers.

NSO Answer Key 2025

The National Science Olympiad Answer Key 2025 session is released by the Science Olympiad Foundation (SOF) after each exam set. The NSO Answer Key allows students to check their responses, estimate their scores, and gauge their chances for the next level.

 All answer keys are made available online on the official SOF website (sofworld.org), typically as downloadable PDFs for each set and class

Also Read: SOF Olympiad Syllabus 2025

Steps to Download National Science Olympiad Sample Papers PDF

The National Science Olympiad Sample Papers are accessible to students via the official website https://sofworld.org/sof-national-science-olympiad-sample-papers. To download these papers, candidates can follow these steps:

Step 1: Go to the official SOF Official website.

Step 2: Search for the "Year Wise Sample Papers" link.

Step 3: A list of Class-wise NSO Sample Paper PDF Links appears on the screen; select the desired PDF.

Step 4: Click on the specific National Science Olympiad Sample Paper PDF Download Link.

Step 5: Download and save the Sample paper for future reference and preparation.

By following these steps, students can easily access and download the NSO Sample Paper and Answer PDF.

Benefits of Solving the SOF NSO Sample Papers 

This NSO Sample Paper is a useful revision tool that allows students to practice answering questions that are frequently asked on the Olympiad exam.

Regular exposure to challenging problems included in the SOF NSO Sample Paper sharpens critical thinking and analytical skills, which are essential for excelling in the NSO and other competitive exams

Practising the NSO sample papers will help students to get an idea about the nature of the exam. It also helps you evaluate the exam pattern and the changing trends of the question paper. 

Additionally, students will be aware of the difficulty level of the questions asked in the examination. While solving the National Science Olympiad sample papers, students will get to know their weaknesses. 

NSO Sample papers enable students to assess their strengths and weaknesses, allowing them to focus on areas that need improvement