NSO Syllabus 2025: The SOF NSO is an initiative taken by the Science Olympiad Foundation in the form of the National Science Olympiad. It is an annual written examination. That cultivates the scientific reasoning and logical ability in the students through the spirit of competitive examination.
The important dates are just nearby as the dates as per the official site are in November 2025. The last date for the students to appear is 21st Nov 2025 (Expected). Check here to complete SOF NSO Syllabus 2025.
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NSO Olympiad Syllabus 2025
As per the authorities, the NSO Syllabus PDF of the examination will be as follows:-
Note: Here Section-1 is Logical Reasoning, Section-2 is Science, Section-3 is Achievers Section
| Class | Section | Topic |
|---|---|---|
| Class 1 | Section – 1 | Spatial Understanding, Grouping, Measuring Units, Analogy, Geometrical Shapes, Patterns, Odd One Out, Ranking Test. |
| Section – 2 | Living and Non-living things, Plants, Animals, Human Beings and Their Needs, Good Habits and Safety Rules, Air and Water, Weather and The Sky. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 2 | Section – 1 | Patterns, Measuring Units, Odd One Out, Series Completion, Geometrical Shapes, Analogy, Ranking Test, Grouping of Figures, Coding-Decoding, Embedded Figures. |
| Section – 2 | Plants, Animals, Human Body, Food, Housing and Clothing, Family and Festivals, Occupations, Good Habits and Safety Rules, Transport and Communication, Air, Water and Rocks, Earth and Universe. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 3 | Section – 1 | Patterns, Analogy and Classification, Coding-Decoding, Mirror Images, Embedded Figures, Alphabet Test, Ranking Test, Grouping of Figures, Figure Matrix, Geometrical Shapes, Days and Dates & Possible Combinations. |
| Section – 2 | Plants and Animals, Birds, Food, Housing and Clothing, Transport and Communication, Human Body, Earth and Universe, Matter and Materials, Light, Sound and Force, Our Environment. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 4 | Section – 1 | Patterns, Alphabet Test, Coding-Decoding, Mirror Images, Embedded Figures, Geometrical Shapes and Solids, Ranking Test, Direction Sense Test, Days and Dates & Possible Combinations, Analogy and Classification. |
| Section – 2 | Plants, Animals, Food and Digestion, Clothing, Matter and Materials, Force, Work and Energy, Our Environment, Earth and Universe | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 5 | Section – 1 | Patterns, Analogy and Classification, Coding-Decoding, Geometrical Shapes, Mirror Images, Water Images, Embedded Figures, Direction Sense Test, Ranking Test, Alphabet Test and Logical Sequence of Words, Puzzle Test. |
| Section – 2 | Animals, Human Body and Health, Plants, Natural Resources, Pollution and Calamities, Earth and Universe, Matter, Force, Work and Energy. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 6 | Section – 1 | Verbal and Non-Verbal Reasoning |
| Section – 2 | Motion and Measurement of Distances, Light, Shadows and Reflections, Electricity and Circuits, Fun with Magnets, Our Environment (Water, Air Around us, Garbage in Garbage out), Sorting and Separation of Materials, Changes Around Us, The World of Living (Characteristics of Living Beings, Parts of Plants, Body Movements in Animals and Adaptation), Food and its Components, Fibre to Fabric. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 7 | Section – 1 | Verbal and Non-Verbal Reasoning. |
| Section – 2 | Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation (Soil, Water: A Precious Resource, Forests our Lifeline, Wastewater Story). | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2. | |
| Class 8 | Section – 1 | Verbal and Non-Verbal Reasoning. |
| Section – 2 | Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell, Reproduction and Endocrine System, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2 | |
| Class 9 | Section – 1 | Verbal and Non-Verbal Reasoning. |
| Section – 2 | Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of Atom, Cell-The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall III, Natural Resources, Improvement in Food Resources. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2 | |
| Class 10 | Section – 1 | Verbal and Non-Verbal Reasoning. |
| Section – 2 | 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, Reproduction in Organisms, Heredity and Evolution, Light-Reflection and Refraction, Human Eye and Colourful World, Electricity, Magnetic Effects of Electric Current, Sources of Energy, Our Environment and Its Management. | |
| Section – 3 | Higher Order Thinking Questions – Syllabus as per Section – 2 | |
| Class 11 | Section – 1 | Physics: Units and Measurements, Mechanics, Properties of Matter, Heat and Thermodynamics, Oscillations, Waves. Chemistry : Some Basic Concepts of Chemistry, Structure of Atom, Classification of Elements and Periodicity in Properties, Chemical Bonding and Molecular Structure, States of Matter, Thermodynamics, Equilibrium, Redox Reactions, Hydrogen, The s-Block Elements, The p-Block Elements (Groups 13 and 14), Organic Chemistry – Some Basic Principles and Techniques, Hydrocarbons, Environmental Chemistry. |
| Section – 2 | Higher Order Thinking Questions – Syllabus as per Section – 1. | |
| Section – 3 | Sets, Relations and Functions, Principle of Mathematical Induction, Logarithms, Complex Numbers & Quadratic Equations, Linear Inequations, Sequences and Series, Trigonometry, Straight Lines, Conic Sections, Permutations and Combinations, Binomial Theorem, Statistics, Mathematical Reasoning, Limits and Derivatives, Probability, Introduction to 3-D Geometry.
OR Section – 3: Diversity in the Living World, Structural Organization in Plants and Animals, Cell: Structure and Functions, Plant Physiology, Human Physiology.
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| Class 12 | Section – 1 | Physics: Electricity and Magnetism, Electromagnetic Induction, Alternating current, Electromagnetic waves, Optics, Modern Physics, Semiconductor Electronics, Communication Systems.
Chemistry : Solid State, Solutions, Electrochemistry, Chemical Kinetics, Surface Chemistry, General Principles and Processes of Isolation of Elements, p-Block Elements (Group 15 to 18), d- & f-Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones and Carboxylic Acids, Amines, Biomolecules, Polymers, Chemistry in Everyday Life. |
| Section – 2 | Higher Order Thinking Questions – Syllabus as per Section – 1. | |
| Section – 3 | Relations and Functions, Inverse Trigonometric Functions, Matrices and Determinants, Continuity and Differentiability, Application of Derivatives, Integrals, Application of Integrals, Differential Equations, Vector Algebra, Three Dimensional Geometry, Probability, Linear Programming.
OR Section – 3: Reproduction, Genetics and Evolution, Biology in Human Welfare, Biotechnology, Ecology. |
Note:
- Questions of level-I Olympiad exams will be 60% from the current class syllabus and 40% from the previous class syllabus, e.g. Class-7 NSO exam will have 60% questions from the class-7 syllabus and 40% questions from the class 6 syllabus.
- Questions of level-II Olympiad exams will be from the current class syllabus only.
- Questions in ACHIEVERS SECTION will be from the current class syllabus only.
Also Check: NSO Hall Ticket || NSO Question Paper
NSO Exam Pattern 2025 Level- 1/ 2
The SOF NSO has a special exam pattern for its examinations and as per that only, the authorities will be conducting the SOF NSO 2025. Following are the highlights of the NSO Exam Pattern 2025.
| CLASS | SECTION | NO. OF QUESTIONS | MARKS | TOTAL MARKS |
|---|---|---|---|---|
| 1st to 4th | Logical Reasoning | 5 | 1 | 5 |
| Science | 25 | 1 | 25 | |
| Achievers Section | 5 | 2 | 10 | |
| Grand Total | 35 | 40 | ||
| 5th to 10th | Logical Reasoning | 10 | 1 | 10 |
| Science | 35 | 1 | 35 | |
| Achievers Section | 5 | 3 | 15 | |
| Grand Total | 50 | 60 | ||
| 11th to 12th | Physics & Chemistry | 25 | 1 | 25 |
| Achievers Section | 5 | 3 | 15 | |
| Mathematics/Biology | 20 | 1 | 20 | |
| Grand Total | 50 | 60 |
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SOF NSO Exam Date 2025
There is still something that we have in stock for you to inform as this may help you regarding the exams in the near future.
| Particular | Detail |
|---|---|
| Name | National Science Olympiad |
| Class | 1st to 12th |
| Exam date | November 2025 |
| Last date for applying | Updated soon |
| Result date | Updated soon |
| Official site | sofworld.org |
Remarks: We are here to inform are you here to gain.
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