Everything You Need to Know About the National Science Olympiad (NSO)
For students in classes 6 to 10 who have a natural curiosity about the world around them and a passion for understanding the principles of science, the National Science Olympiad (NSO) presents an exciting opportunity. Conducted by the Science Olympiad Foundation (SOF), the NSO is a prestigious competition designed to test and encourage scientific aptitude among young learners. It provides a platform for students to assess their knowledge, analytical skills, and understanding of scientific concepts at a national level.
At QuestPix, we believe in nurturing the scientific curiosity of students from classes 6 to 10 and providing them with the resources to excel in various academic challenges. The NSO is one such significant opportunity that can help students develop a deeper appreciation for science and build a strong foundation for future studies in related fields. This comprehensive article will guide you through everything you need to know about the National Science Olympiad, from its importance and eligibility to its syllabus and preparation strategies. Let's embark on this scientific journey together!
Understanding the National Science Olympiad (NSO)
The National Science Olympiad (NSO) is an annual competition organized by the Science Olympiad Foundation (SOF), a non-profit organization dedicated to promoting science, mathematics, and computer education among school children in India. The primary objective of the NSO is to stimulate scientific reasoning and logical thinking among students. It aims to identify, encourage, and reward talented students in science.
The NSO is conducted at two levels: Level 1 and Level 2. Level 1 is organized in the participating schools, while Level 2 is conducted for students who qualify in Level 1 (for classes 3 to 12). However, for classes 1 and 2, the Olympiad is a single-level exam. Our focus in this article will primarily be on Level 1, which is relevant for students in classes 6 to 10.
Exam Organizing Body
Science Olympiad Foundation (SOF)
Eligibility
Students from classes 1 – 12, enrolled in a school recognized by SOF are eligible for NSO
Application Process
Via Respective School Authorities
Exam Dates
Level 1 Exam Date 1: 13th November, 2025
Level 1 Exam Date 2: 27th November, 2025
Level 1 Exam Date 3: 11th December, 2025
Fee of Registration
₹ 125
Frequency of Conduct
Once a year
Objective
To identify & foster passion for Science
Why is Participating in the NSO Important?
Participating in the National Science Olympiad offers a multitude of benefits for students in classes 6-10:
- National Level Assessment: NSO provides a platform for students to assess their understanding of science concepts against their peers from across the country, fostering a spirit of healthy competition.
- Encourages Critical Thinking: The questions in NSO are designed to test not just factual knowledge but also the ability to think critically, analyze situations, and apply scientific principles to solve problems
- Develops Problem-Solving Skills: Preparing for and participating in NSO helps students enhance their problem-solving abilities, which are essential for success in any field.
- Stimulates Interest in Science: The engaging and challenging nature of the Olympiad can spark and nurture a deeper interest in science among young learners.
- Recognition and Rewards: Top performers in NSO are recognized at various levels (school, zonal, and international) with awards, medals, certificates, and scholarships, providing motivation and encouragement.
- Builds Confidence: Achieving a good rank in a national-level science competition can significantly boost a student's confidence and encourage them to pursue further studies and careers in science.
- Preparation for Future Competitions: The experience of participating in NSO can be valuable preparation for other science-based competitive exams and entrance tests in the future.
NSO Exam Eligibility Criteria
The eligibility criteria for the NSO exam are quite inclusive:
- Class of Study:
Students studying in Classes 1 to 12 are eligible to participate in the NSO. For the purpose of this article, we will focus on students in Classes 6, 7, 8, 9, and 10.
- School Enrollment:
Students must be enrolled in a school that is registered with the SOF to participate in the NSO.
- No Minimum Marks:
There are generally no specific minimum marks required in the previous class to be eligible for NSO. All students studying in the eligible classes through a participating school can appear for the exam.
Interested students should contact their school administration to check if their school is participating in the NSO and to register for the same.
Decoding the Structure of the NSO Exam
The National Science Olympiad (NSO) for classes 1 to 10 typically follows a single-level structure (Level 1). Here's a general overview of the exam pattern:
- Subjects Covered:
The exam primarily focuses on Science. The syllabus is aligned with the science curriculum of the respective classes.
- Number of Questions:
The Level 1 NSO usually consists of 50 multiple-choice questions for classes 1 to 10.
- Duration of the Exam:
The duration of the exam is typically 60 minutes.
- Marking Scheme:
Each correct answer carries one mark. There is no negative marking for incorrect answers in the Level 1 NSO.
- Sections in the Question Paper:
he question paper is generally divided into sections, including.
- Science:
This section covers topics from Physics, Chemistry, and Biology relevant to the student's class.
- Achievers Section:
This section usually comprises higher-order thinking questions that test the student's analytical and problem-solving skills.
- Logical Reasoning:
This section assesses the student's ability to think logically and solve puzzles or reasoning-based questions.
For students in classes 3 to 12, there is a Level 2 examination conducted for those who qualify in Level 1 based on certain criteria set by SOF. The pattern for Level 2 might differ slightly. However, for students in classes 6 to 10, focusing on the Level 1 pattern is most relevant.
A Detailed Look at the NSO Exam Syllabus
The syllabus for the NSO exam is based on the science curriculum prescribed by CBSE, ICSE/ISC, and other state boards for the respective classes. The Science Olympiad Foundation provides a detailed syllabus for each class on its official website. Here's a general idea of the topics covered for classes 6 to 10:
- Class 6:
Food: Where Does It Come From?, Components of Food, Fibre to Fabric, Sorting Materials into Groups, Separation of Substances, Changes Around Us, Getting to Know Plants, Body Movements, The Living Organisms and Their Surroundings, Motion and Measurement of Distances, Light, Shadows and Reflections, Electricity and Circuits, Fun with Magnets, Water, Air Around Us, Garbage In, Garbage Out.
- Class 7:
Nutrition in Plants, Nutrition in Animals, Fibre to Fabric, Heat, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Winds, Storms and Cyclones, Soil, Respiration in Organisms, Transportation in Animals and Plants, Reproduction in Plants, Motion and Time, Electric Current and Its Effects, Light, Water: A Precious Resource, Forests: Our Lifeline, Wastewater Story.
- Class 8:
Crop Production and Management, Microorganisms: Friend and Foe, Synthetic Fibres and Plastics, Metals and Non-metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell – Structure and Functions, Reproduction in Animals, Reaching the Age of Adolescence, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water.
- Class 9:
Matter in Our Surroundings, Is Matter Around Us Pure?, Atoms and Molecules, Structure of the Atom, The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Why Do We Fall Ill?, Natural Resources, Improvement in Food Resources.
- Class 10:
Chemical Reactions and Equations, Acids, Bases and Salts, Metals and Non-metals, Carbon and Its Compounds, Periodic Classification of Elements, Life Processes, Control and Coordination, How do Organisms Reproduce?, Heredity and Evolution, Light – Reflection and Refraction, Human Eye and Colourful World, Electricity, Magnetic Effects of Electric Current, Sources of Energy, Our Environment, Management of Natural Resources.
Part 1
Logical Reasoning section, which mostly focuses on Verbal and Non-Verbal Reasoning questions.
Part 2
This is devoted to science, and it includes all of the pertinent topics and sub-topics.
Part 3
The Achievers’ portion is in Section 3. Higher Order Thinking Questions are found in this section, which should be approached only after the preceding two have been completed.
Students should refer to the detailed syllabus for their specific class on the SOF website for a comprehensive understanding of the topics covered in the NSO exam.
Classes 1 to 4
Subjects
Science, Mathematics and Logical Reasoning
Type of questions
Objective (MCQs)
Mode of examination
Written Test
Number of questions
35 questions
Marking scheme
1 mark awarded for each correct answer
(Science and Logical Reasoning)
2 marks awarded for each correct answer
(Achievers Section)
Negative marking
No negative marking
Classes 5 to 10
Subjects
Science, Mathematics and Logical Reasoning
Type of questions
Objective (MCQs)
Mode of examination
Written Test
Number of questions
50 questions
Marking scheme
1 mark awarded for each correct answer
(Science and Logical Reasoning)
3 marks awarded for each correct answer
(Achievers Section)
Negative marking
No negative marking
Classes 11 and 12
Subjects
Physics, Chemistry and Maths/Biology
Type of questions
Objective (MCQs)
Mode of examination
Written Test
Number of questions
50 questions
Marking scheme
1 mark awarded for each correct answer
(Physics, Chemistry, Maths and Biology)
3 marks awarded for each correct answer
(Achievers Section)
Negative marking
No negative marking
Your Guide to Effective NSO Exam Preparation
Preparing for the NSO exam effectively requires a focused and strategic approach. Here are some tips to help you succeed:
- Understand the Syllabus Thoroughly:
Begin by carefully reviewing the NSO syllabus for your class. Identify the topics and concepts that are included in the exam.
- Focus on Conceptual Clarity:
Emphasize understanding the fundamental concepts of science rather than just memorizing facts. This will help you tackle application-based questions.
- Study NCERT Textbooks:
Your school textbooks, especially NCERT books, are the best resource for building a strong foundation in science. Study them thoroughly.
- Practice with Previous Year's Question Papers (The Importance of Solving Previous Year Papers):
Solving previous years' NSO question papers is an excellent way to understand the exam pattern, the types of questions asked, and the difficulty level. It also helps you identify your strengths and weaknesses.
- Take Mock Tests (Evaluate Your Progress with Mock Tests):
Regularly take mock tests that simulate the actual exam environment. This will help you assess your preparation level, improve your time management skills, and reduce exam anxiety. SOF also provides sample papers that can be used for practice.
- Refer to Additional Study Materials (Choosing the Right Study Material):
You can also refer to other good science reference books and online resources to deepen your understanding of the concepts.
- Seek Guidance from Teachers:
Don't hesitate to ask your science teachers for help with topics you find challenging. Discuss your doubts and seek clarification.
- Time Management:
Learn to manage your time effectively during your preparation. Allocate sufficient time for each subject and topic based on your needs.
- QuestPix: Your Partner in NSO Preparation:
At QuestPix, we offer a variety of resources that can aid your NSO preparation. Our platform provides access to interactive learning materials, practice questions, and more, designed to make learning science engaging and effective for students in classes 6-10.
NSO Exam Application Process
The application process for the NSO exam is usually facilitated through the student's school:
- School Registration:
Schools that are registered with the Science Olympiad Foundation (SOF) can conduct the NSO for their students.
- Student Enrollment:
Interested students need to enroll through their respective schools. The school will provide the necessary application forms and information.
- Application Fee:
There is usually a participation fee per student, which is collected by the school and sent to SOF.
- Important Dates:
The school will inform students about the last date for registration and the date of the NSO exam. These dates are also communicated to the schools by SOF.
Students who wish to participate in the NSO should contact their school administration or science teachers for more details on the registration process and deadlines. Individual registrations are generally not accepted by SOF.
NSO Exam Dates, Important Information, and Marking Schemes
The National Science Olympiad (NSO) is typically conducted on different dates to accommodate the schedules of participating schools. Here's some important information regarding the exam dates:
- Multiple Dates:
SOF usually provides a set of dates during which schools can choose to conduct the NSO Level 1 exam.
- School's Choice:
The specific date of the exam for a particular school is usually decided by the school administration.
- Inform from School:
Students will be informed about the exact date of the NSO exam by their school authorities.
- Level 2 Dates:
For students who qualify for Level 2 (classes 3 to 12), the dates will be announced by SOF on their official website.
Students should stay in touch with their school's science department to get the precise date and time of the NSO exam in their school.
Level-1 and Level-2
Particulars
Specifications
Number of Questions
For Class 1-4: 35 Questions
For Class 5-12: 50 Questions
Total Marks
For Class 1-4: 40
For Class 5-12: 60
Types of Question
Objective
Negative Marking
No negative marking
Division of Sections:
Awards/Scholarships for Level One Exam Structure
CLASSES 1 TO 10
Sr. No
Class
Includes
Medium
1
1–10
Level-1:
Section-1: Logical Reasoning
Section-2: Science
Section-3: Achievers Section
Level-2 (Class 3–10 only):
Section-1: Science
Section-2: Achievers Section
English
CLASSES 11 TO 12
Sr. No
Class
Includes
Medium
2
11–12
Level-1:
Section-1: Physics / Chemistry
Section-2: Achievers Section
Section-3: Mathematics / Biology
Level-2:
Section-1: Physics / Chemistry
English
Your Guide to Effective NSO Exam Preparation
Preparing for the NSO exam effectively requires a focused and strategic approach. Here are some tips to help you succeed:
- Understand the Syllabus Thoroughly:
Begin by carefully reviewing the NSO syllabus for your class. Identify the topics and concepts that are included in the exam.
- Focus on Conceptual Clarity:
Emphasize understanding the fundamental concepts of science rather than just memorizing facts. This will help you tackle application-based questions.
- Study NCERT Textbooks:
Your school textbooks, especially NCERT books, are the best resource for building a strong foundation in science. Study them thoroughly.
- Practice with Previous Year's Question Papers (The Importance of Solving Previous Year Papers):
Solving previous years' NSO question papers is an excellent way to understand the exam pattern, the types of questions asked, and the difficulty level. It also helps you identify your strengths and weaknesses.
- Take Mock Tests (Evaluate Your Progress with Mock Tests):
Regularly take mock tests that simulate the actual exam environment. This will help you assess your preparation level, improve your time management skills, and reduce exam anxiety. SOF also provides sample papers that can be used for practice.
- Refer to Additional Study Materials (Choosing the Right Study Material):
You can also refer to other good science reference books and online resources to deepen your understanding of the concepts.
- Seek Guidance from Teachers:
Don't hesitate to ask your science teachers for help with topics you find challenging. Discuss your doubts and seek clarification.
- Time Management:
Learn to manage your time effectively during your preparation. Allocate sufficient time for each subject and topic based on your needs.
- QuestPix: Your Partner in NSO Preparation:
At QuestPix, we offer a variety of resources that can aid your NSO preparation. Our platform provides access to interactive learning materials, practice questions, and more, designed to make learning science engaging and effective for students in classes 6-10.
NSO Exam Results, Awards, and Recognition
The results of the NSO exam are usually declared by the Science Olympiad Foundation within a few weeks after the exam. Here's what you need to know about the results and awards:
- Result Declaration: SOF typically sends the results to the participating schools. Students can also check their results online on the SOF website using their roll number.
- Performance Analysis Report: Along with the result, SOF provides a detailed Student Performance Report (SPR) for each participant. This report includes the student's marks, rank, and a section-wise analysis of their performance, which can be very helpful for identifying areas of improvement
- Awards and Recognition: SOF awards top-performing students at various levels:span>
- School Level: Students who achieve top ranks in their school are often awarded medals and certificates.
- Zonal Level: Students who secure top ranks at the zonal level are eligible for cash prizes, medals, and certificates.
- International Level: The top-ranking students at the international level are awarded significant cash prizes, gold medals, and trophies.
- Certificates: All students who participate in the NSO receive a participation certificate.
The awards and recognition provided by SOF serve as a great motivation for students to excel in science.
Awards/Scholarships for Level Two Performance & For Classes One & Two
AT INTERNATIONAL LEVEL
Sr. No
Scholarship
Includes
No. of Awards
1
Rs.50,000/- Each
International Gold Medal* + Certificate of Outstanding Performance
12
2
Rs.25,000/- Each
International Silver Medal* + Certificate of Outstanding Performance
12
3
Rs.10,000/- Each
International Bronze Medal* + Certificate of Outstanding Performance
12
Awards/Scholarships for Zonal Level
AT ZONAL LEVEL
Rank
Scholarships
No. of Awards/Scholarships
1 to 25
Medal of Distinction + Certificate of Distinction + Student Performance Report
7800
Rank 26+
Participation Certificate + Student Performance Report
All
Expert Tips and Strategies for NSO Exam Success
To increase your chances of success in the National Science Olympiad, consider these expert tips:
- Focus on Understanding Concepts:
The NSO exam tests your understanding of scientific principles. Ensure you have a clear grasp of the fundamental concepts.
- Practice Regularly:
Solve a variety of science problems and exercises. The more you practice, the better you will become at applying the concepts.
- Analyze Your Mistakes:
When you solve practice questions or take mock tests, pay attention to the mistakes you make. Understand why you went wrong and learn from them
- Time Management:
Learn to manage your time effectively, both during preparation and while taking the exam.
- Stay Updated with the Syllabus:
Make sure you are preparing according to the latest NSO syllabus for your class
- Stay Calm and Confident:
On the day of the exam, stay calm and believe in your preparation. A positive attitude can make a big difference.
Nurture Your Scientific Talent with the National Science Olympiad
The National Science Olympiad is a fantastic platform for students in classes 6 to 10 to explore their passion for science, test their knowledge and skills, and earn recognition for their achievements. By preparing diligently and participating with enthusiasm, you can not only excel in the NSO but also develop a lifelong love for science.
At QuestPix, we are here to support you in your journey towards academic excellence. We encourage all young science enthusiasts to take part in the National Science Olympiad and discover their potential. Start preparing today, and let your scientific talent shine!