NSO Sample Papers for Class 4

Practice and Excel in National Science Olympiad (NSO)


Prepare with confidence for the National Science Olympiad (NSO) by practicing with our meticulously crafted NSO sample papers. NSO sample papers are designed to provide you with a comprehensive understanding of the NSO exam pattern, question types, and help you enhance your Science skills.


SOF Olympiad Trainer aims to provide every relevant study material to ace the NSO Olympiad to the student. Students can download Class 4 NSO Sample Paper from the website of SOF Olympiad Trainer, which is available in PDF format. Students can also attempt the sample paper online and analyze thier performance instantly.


To attempt online, click below.

Take a Free NSO Sample Test  

To download the NSO Sample Paper Class 4 in PDF form, click below.


The NSO exam is conducted annually by Science Olympiad Foundation, with the aim of challenging students problem solving ability while improving their analytical skills. NSO helps the students build a strong scientific acumen and a good base for higher classes.

Students can pass the NSO exam with flying colors by preparing holistically and practicing with the Class 4 NSO Sample Papers provided by SOF Olympiad Trainer. These Sample papers are designed same as the NSO exam which help the student to get an experience prior to the main Olympiad exam. Class 4 NSO Sample Papers helps the students analyze the pattern to prepare accordingly and get familiarized with the questions.


Benefits of practicing with Class 4 NSO Sample Papers:

  • By solving Class 1 NSO Sample Paper, students get an understanding of the main question paper.
  • The NSO Sample Paper gives an inkling of the sections of the main exam.
  • It gives the basic idea of the type of questions asked in each section.
  • Students get an idea on what to expect from the question paper and the difficulty level.


NSO class 4 exam has 3 sections with 35 questions carrying a total of 40 marks as explained below:

  • Logical Reasoning – This section tests the reasoning ability of the candidate with questions and puzzles to challenge their thinking ability.
  • Science – This section aims to test the knowledge of science and the concepts it entails to judge their scientific acumen.
  • Achiever’s section – This section tests the problems solving skills of the candidates with questions of high order thinking revolving around concepts of science.

The syllabus of NSO level-1 exam consists of questions with 60% syllabus of the current class and 40% syllabus of the previous class. The questions in level-2 exam come from the current class only. Similarly, the achiever’s section has questions from the current class only. To view full syllabus, click here.


I am in






Additional Preparatory Content