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NSO National Science Olympiad Exam Pattern 2023

Safalta Expert Published by: Noor Fatima Updated Fri, 05 Aug 2022 12:29 PM IST


Here is the information about National Science Olympiad Exam Pattern. You can give a read to this blog and get all the information about the same.

The NSO is a science competition conducted for Students in Classes 1 to 12. The Science Olympiad Foundation (SOF) is the conducting body of this Olympiad exam. It aims to develop the talent of the students in various fields, such as scientific skills, technical skills, and IT proficiencies at the secondary level. The ranking of the exams is based on marks scored by students in both levels of NSO. The evaluation process is done at four levels; school, local, state, and international levels.
Recommended: Study for your Exams with Safalta School online. We provide Preparation materials for Class 9-12 that can boost your preparations. 

Table of Content
Eligibility for NSO Level 1 Exam
Eligibility for NSO Level 2 Exam
Exam Date
Application form 
Paper pattern

Eligibility for NSO Level 1 Exam

There are no eligibility requirements for Level 1. NSO Level 1 exam is open to students studying in Classes 1-12. Furthermore, there are no specific academic marks for taking part in this Olympiad.

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Anyone who is a student of CBSE/ICSE or state board school can be an applicant to the National Science Olympiad.

Eligibility for NSO Level 2 Exam

Students who qualify and clear the cut-off of the NSO level 1 exam can move on to the second level. The basic criteria for level 2 are as follows-
  • The top 5% of students from each class who participated in the Level 1 exam can go for Level 2.
  • The top 25 rank holders in each zone who participated in the Level 1 test fulfill the criteria for the second level exam.
  • Students from each participating school where at least 10 students participated in the exam and scored half of the qualifying grades can appear in the NSO Level 2 exam.
  • Students with the highest marks in each section can appear in the NSO Level 2 exam if registration is received section-wise. However, it is not sure that students who are awarded gold medals are eligible for the second Level NSO exam.
 Students in Classes 1 and 2 are not eligible to take part in the NSO Level 2 exams. Their performance is evaluated on the basis of Level 1 exam results.
Students must get familiar with the exam pattern before giving the National Science Olympiad (NSO) exam. The examination pattern is decided by the Science Olympiad Foundation (SOF). The exam format of the NSO involves the question paper pattern, the marking scheme of the numerous segments, the number of queries per segment, etc. Students can develop a foolproof strategy to clear this Olympiad exam with good grades 
Students who prepare and appear in this exam have an opportunity to enhance their analytical, problem solving, and reasoning skills. The NSO exam is the best place for students to showcase their scientific talent. The exam is mainly focused on science.

Therefore, it’s a good platform for those who want to build their career in the Science field in the future. Students who have an interest in new inventions can also boost their skills through this exam.

NSO 2023 Exam Date

Proceedings Exam Dates
Application form  August 2023
Deadline for registration August 2023
Admit Card September 2023
NSO 2023 Exam Date 2nd week of November 2023
Result Date December 2023

Application form for NSO 2023

Students can get the NSO registration form from their respective schools. However, their schools must be registered institutions under the Science Olympiad Foundation (SOF). If your school is not registered under SOF, it can contact the organization through email or phone call to get the prospectus. 

Schools must submit the applicant's registration form a month before the last date of the exam registration. SOF generates the roll number for the applicants, which are then given to the respective schools and finally to the candidates. Students competing in this test are assigned the roll numbers by the school's coordinating teacher.


The declaration of the results is mainly done within 2 months after the NSO exam. Most of the results include the rank at international, zonal, and school levels. 

SOF awards students with cash prizes and scholarships according to the marks scored by them. However, students who do not qualify for the exam are also awarded a certificate of appreciation. 

Paper pattern of NSO exam 2023 

The table content contains multiple segments, total marks, exam pattern, and length. We have compiled these pieces of information in a place to make it convenient for you. 
 NSO Level 1 Pattern
Class No. of questions Section  Marks alloted to questions Total marks
  5 Logical Reasoning 1 5
Class 1- 5 25 Science 1 25
  5 Achievers Section 2 10
  35 Grand Total   40
  10 Logical Reasoning 1 10
Class 5-10 35 Science 1 35
  5 Achievers Section 3 15
  50 Grand Total   60
  25 Physics & Chemistry 1 25
Class 11-12 5 Achievers Section 3 15
  20 Mathematics/Biology 1 20
  50 Grand Total   60

How many levels are there in NSO?

Level 1 and Level 2 are the tiers for the NSO exam. Both Level 1 and Level 2 are for students in Classes 1-12. However, students of Class 1 can only participate till level 1. Only Students in classes 3-12 can move on to level 2. Candidates who qualify for level 1 can take part in Level 2 (Classes 3-12).

What is the eligibility criteria for NSO?

The National Science Olympiad (NSO) exam is open to all the students from classes 1-12. You just need to register yourself for the exam with your school.

How can I prepare for NSO exam?

Make a schedule to prepare yourself for the National Science Olympiad (NSO). Allot time to the required subjects based on the NSO Syllabus. Try to practice as many example papers as possible during this period. Make every day count by honing your talents and expanding your knowledge base. The exam dates are tentative. These are unlikely to alter significantly. Therefore, prepare accordingly.

What is the difference between level 1 and level 2 exams of NSO?

Candidates who qualify the level 1 of the National Science Olympiad (NSO) can move on to the second level. The difference between the two levels is only in the type of questions and their difficulty. 
The level two exam is more difficult than level 1 and covers the most important concepts of science subject. This demands students to study very hard and learn the topics by heart.

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