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    iOS 2026-27 Exam: Exam Dates, Syllabus, Pattern, Result

    author
    Mangane PriyankaUpdated on Feb 28, 2026 11:34 AM

    About iOS 2026

    iOS 2026-27 - Silverzone Foundation conducts the International Olympiad of Science 2026-27 exam. The iOS examination, which takes place annually, aims to test students' competency in science and is based on the syllabus provided by CBSE/ICSE and other State Boards. The iOS exam 2026-27 is held in the English medium only at the National and International levels. The last date to register for the Silverzone IOS Olympiad is August 31, 2026.

    Schools decide the exam date for their students. Students can register for iOS 2026-27 through their schools. Individual registrations by students are not accepted. Classes 1 to 12 can participate in the International Olympiad of Science 2026-27. The exam is conducted at three levels. 

    More Details on Silverzone iOS exam 2026-27:

    • The Silverzone Foundation has started the International Olympiad of Science registration. Students can apply for the iOS Olympiad till August 31, 2026. 
    • The IOS exam 2026-27 will be held on three dates. The first exam will be held on October 14, 2026, the second exam on November 19, 2026, and the third exam will be conducted on December 8, 2026.
    • The results for the iOS 2026-27 level 1 will be declared in January 2027.
    • Students will be able to access the results from the official website at silverzone.org.
    • The Level 2 exam is expected to be conducted in February 2027, and the results will be out in March 2027. 
    • iOS 2026-27 Level 3 will be conducted in May/June 2027, and the result for the same will be tentatively declared in August/September 2027.
    Read More
    iOS 2026-27 Exam: Exam Dates, Syllabus, Pattern, Result
    SilverZone-IOS-Olympiad-Exam

    iOS 2026 Highlights

    Full Exam Name
    International Olympiad of Science
    Short Exam Name
    iOS
    Conducting Body
    SilverZone Foundation
    Frequency Of Conduct
    Once a year
    Exam Level
    Intermediate
    Languages
    English
    Mode Of Application
    offline
    Application Fee
    Offline : 125
    Mode Of Exam
    offline
    Exam Duration
    1 Hour

    iOS Important Dates

    iOS International Olympiad of Science (session 2026)

    • Silverzone Foundation started the offline registration of the International Olympiad of Science (iOS). The last date for registration will be August 31, 2026.
    • Students can register for the iOS exam 2026-27 through their schools. The school must be registered with the Silver Zone Foundation. 
    • Individual participation is not accepted for the iOS 2026-27 exam.
    • Students of all classes from 1 to 12 are eligible for level 1 of the iOS 2026-27 exam. 
    • The top 1000 Olympiad rank holders between 4 and 1003 with minimum marks of 50% and above will be eligible for the iOS level 2 exam.
    Background wave

    Students must follow the iOS 2026-27 exam pattern mentioned below while preparing for the exam. For the ease of students, we have listed the paper pattern of the iOS exam 2026-27 for all the classes separately.

    IOS Class 1 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Living and Non-Living Things23.57
    Plants and Animals53.517.5
    Food and clothes23.57
    Our environment23.57
    Our surroundings23.57
    Human body23.57
    Reasoning and Aptitude5420
    Scholar’s Zone55.527.5

    IOS Class 2 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Living and Non- Living Things23.57
    Plants and Animals43.514
    Our Environment33.510.5
    Our Universe23.57
    Food and Clothes23.57
    Our Body23.57
    Reasoning and Aptitude5420
    Scholar’s Zone55.527.5

    IOS Class 3 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Living and Non-Living Things236
    Plants and Animals6318
    Matter, Motion and Transport4312
    Environment and Universe5315
    Our Body339
    Reasoning and Aptitude53.517.5
    Scholar’s Zone54.522.5

    IOS Class 4 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Human Body339
    Rocks and Soil236
    Environment and Universe4312
    Plants and Animals6318
    Work, Force and Energy339
    Matter236
    Reasoning and Aptitude53.517.5
    Scholar’s Zone54.522.5

    IOS Class 5 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Matter236
    Environment and Natural Calamities4312
    Plants and Animals6318
    Light and Sound236
    Our Body and Nutrition339
    Work and Energy339
    Reasoning and Aptitude53.517.5
    Scholar’s Zone54.522.5

    IOS Class 6 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Food22.55
    Materials42.510
    Living World62.515
    Motion and Measurement22.55
    How Things Works72.517.5
    Air22.55
    Reasoning and Aptitude7321
    Scholar’s Zone54.321.5

    IOS Class 7 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    How Stuff Works62.515
    Living World62.515
    Materials62.515
    Natural Resources22.55
    Food32.57.5
    Reasoning and Aptitude7321
    Scholar’s Zone54.321.5

    IOS Class 8 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Food42.510
    How Stuff Works82.520
    Living World62.515
    Materials32.57.5
    Natural Phenomena22.55
    Reasoning and Aptitude7321
    Scholar’s Zone54.321.5

    IOS Class 9 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Matter326
    Atoms & Molecules5210
    Living World5210
    Food224
    Force & Motion6212
    Work & Energy428
    Reasoning and Aptitude10330
    Scholar’s Zone5420

    IOS Class 10 Syllabus and Marking Scheme

    UnitNo. of QuestionsMarksTotal Marks
    Chemical Elements and Their Properties8216
    Life Processes6212
    Heredity And Evolution224
    Light And Electricity8216
    Environment122
    Reasoning and Aptitude10330
    Scholar’s Zone5420

    IOS Class 11 PCB Syllabus and Marking Scheme

    SectionUnitNo. of QuestionsMarksTotal Marks
    PhysicsUnit and Measurement
    Kinematics
    Laws of Motion
    Work, Energy and Power
    Motion of System of Particles and Rigid Body
    Gravitation
    Properties of Bulk Matter
    Thermodynamics
    Behaviour of Perfect Gases and Kinetic Theory
    Oscillations and Waves
    102.525
    ChemistrySome Basic Concepts of Chemistry
    Structure of Atom
    Classification of Elements and Periodicity in Properties
    Chemical Bonding and Molecular Structure
    Thermodynamics
    Equilibrium
    Redox Reactions
    Organic Chemistry – Some Basic Principles and Techniques
    Hydrocarbons
    102.525
    Reasoning and AptitudeReasoning and Aptitude102.525
    BiologyDiversity in the Living World
    Structural Organisation in Plants & Animals
    Cell: Structure and Functions
    Plants physiology
    Human physiology
    102.525

    IOS Class 11 PCM Syllabus and Marking Scheme

    SectionUnitNo. of QuestionsMarksTotal Marks
    PhysicsUnit and Measurement
    Kinematics
    Laws of Motion
    Work, Energy and Power
    Motion of System of Particles and Rigid Body
    Gravitation
    Properties of Bulk Matter
    Thermodynamics
    Behaviour of Perfect Gases and Kinetic Theory
    Oscillations and Waves
    102.525
    ChemistrySome Basic Concepts of Chemistry
    Structure of Atom
    Classification of Elements and Periodicity in Properties
    Chemical Bonding and Molecular Structure
    Thermodynamics
    Equilibrium
    Redox Reactions
    Organic Chemistry – Some Basic Principles and Techniques
    Hydrocarbons
    102.525
    MathematicsSets and function
    Algebra
    Coordinate Geometry
    Calculus
    Statistics and Probability
    102.525
    Reasoning and AptitudeReasoning and Aptitude102.525

    IOS Class 12 PCB Syllabus and Marking Scheme

    SectionUnitNo. of QuestionsMarksTotal Marks
    PhysicsElectrostatics
    Current Electricity
    Magnetic Effects of Current and Magnetism
    Electromagnetic Induction and Alternating Currents
    Electromagnetic Waves
    Optics
    Dual Nature of Matter and Radiation
    Atoms and Nuclei
    Electronic Devices
    102.525
    ChemistrySolutions
    Electrochemistry
    Chemical Kinetics
    The d and f Block Elements
    Coordination Compounds
    Organic Compounds Containing Halogens (Haloalkanes and Haloarenes)
    Organic Compounds Containing Oxygen (Alcohols, Phenols, Ethers, Aldehydes, Ketones and Carboxylic Acids)
    Organic Compounds Containing Nitrogen (Amines)
    Biomolecules
    102.525
    Reasoning and AptitudeReasoning and Aptitude102.525
    BiologyReproduction
    Genetics and Evolution
    Biology and Human welfare
    Biotechnology
    Ecology
    102.525

    IOS Class 12 PCM Syllabus and Marking Scheme

    SectionUnitNo. of QuestionsMarksTotal Marks
    PhysicsElectrostatics
    Current Electricity
    Magnetic Effects of Current and Magnetism
    Electromagnetic Induction and Alternating Currents
    Electromagnetic Waves
    Optics
    Dual Nature of Matter and Radiation
    Atoms and Nuclei
    Electronic Devices
    102.525
    ChemistrySolutions
    Electrochemistry
    Chemical Kinetics
    The d and f Block Elements
    Coordination Compounds
    Organic Compounds Containing Halogens (Haloalkanes and Haloarenes)
    Organic Compounds Containing Oxygen (Alcohols, Phenols, Ethers, Aldehydes, Ketones and Carboxylic Acids)
    Organic Compounds Containing Nitrogen (Amines)
    Biomolecules
    102.525
    Reasoning and AptitudeReasoning and Aptitude102.525
    MathematicsRelation and function

    Algebra
    Calculus
    Vectors and Three-Dimensional Geometry
    Linear programming
    Probability
    102.525

    iOS 2026 Syllabus

    iOS International Olympiad of Science Syllabus

    Class-1: Unit 02


    Plants and animals

      Class-1: Unit 03


      Our food and clothes
      • Food we eat, clothes we wear

      Class-1: Unit 04


      Our environment
      • Air, water and its resources

      Class-1: Unit 05


      Family, neighbourhood
      • Our family and neighbourhood, safety rules

      Class-1: Unit 06


      Human body

        Class-1: Unit 07


        Reasoning and aptitude

          Class-1: Unit 08


          Scholar zone

            Class-2: Unit 02


            Plants and animals
            • The plant kingdom, the animal kingdom

            Class-2: Unit 03


            Our environment
            • Air, water and weather, our environment, our surroundings and safety rules

            Class-2: Unit 04


            Our universe

              Class-2: Unit 05


              Food and clothes
              • Food we eat and clothes we wear

              Class-2: Unit 06


              Our body
              • Parts of human body

              Class-2: Unit 07


              Reasoning and aptitude

                Class-2: Unit 08


                Scholar zone

                  Class-3: Unit 02


                  Plants and animals
                  • Animal kingdom, plant kingdom

                  Class-3: Unit 03


                  Matter, motion and transport
                  • Matter and motion, transport, communication and safety

                  Class-3: Unit 04


                  Environment and universe
                  • Our environment, air, water and weather, our universe

                  Class-3: Unit 05


                  Our resources
                  • Natural resources: An introduction

                  Class-3: Unit 06


                  Our body

                    Class-3: Unit 07


                    Reasoning and aptitude

                      Class-3: Unit 08


                      Scholar zone

                        Class-4: Unit 01


                        Human body
                        • Functioning of human body

                        Class-4: Unit 02


                        Rocks and soil
                        • Rocks, minerals and soil

                        Class-4: Unit 03


                        Environment and universe
                        • Our environment, universe

                        Class-4: Unit 04


                        Plants and animals
                        • Plant kingdom, animal kingdom

                        Class-4: Unit 05


                        Work, force and energy

                          Class-4: Unit 06


                          Matter

                            Class-4: Unit 07


                            Reasoning and aptitude

                              Class-4: Unit 08


                              Scholar zone

                                Class-5: Unit 01


                                Matter

                                  Class-5: Unit 02


                                  Environment and natural calamities
                                  • Our environment, natural calamities, housing

                                  Class-5: Unit 03


                                  Plants and animals

                                    Class-5: Unit 04


                                    Light and sound

                                      Class-5: Unit 05


                                      Our body and nutrition

                                        Class-5: Unit 06


                                        Work and energy
                                        • Work, force, energy and simple machines

                                        Class-5: Unit 07


                                        Reasoning and aptitude

                                          Class-5: Unit 08


                                          Scholar zone

                                            Class-6: Unit 01


                                            Nutrition
                                            • Food, components of food nutrition in plants and animals

                                            Class-6: Unit 02


                                            Materials
                                            • Fibre to fabric, sorting materials into groups, separation of substances, changes around us

                                            Class-6: Unit 03


                                            Living world
                                            • Body movements, the living organisms and their surrounding

                                            Class-6: Unit 04


                                            Time, distance and speed

                                              Class-6: Unit 05


                                              How things work
                                              • Work, force and energy, electricity and circuits, fun with magnets, light and sounds

                                              Class-6: Unit 06


                                              Environment
                                              • Air, water and weather, our environment, garbage in, garbage out

                                              Class-6: Unit 07


                                              Reasoning and aptitude

                                                Class-6: Unit 08


                                                Scholar zone

                                                  Class-7: Unit 01


                                                  How stuff works
                                                  • Light, electricity, time and motion

                                                  Class-7: Unit 02


                                                  Living world
                                                  • Weather, climate and adaptation, soil, respiration, transportation in plants and animals, reproduction in plants

                                                  Class-7: Unit 03


                                                  Materials
                                                  • Fibre to fabric, heat, acids, bases and salts, physical and chemical changes

                                                  Class-7: Unit 04


                                                  Natural phenomena and natural resources
                                                  • Winds, storms and cyclones, water, forest

                                                  Class-7: Unit 05


                                                  Food
                                                  • Nutrition in plants, nutrition in animals

                                                  Class-7: Unit 06


                                                  Reasoning and aptitude

                                                    Class-7: Unit 07


                                                    Scholar zone

                                                      Class-8: Unit 01


                                                      Food
                                                      • Crop production, microorganisms

                                                      Class-8: Unit 02


                                                      How stuff works
                                                      • Force, friction, light, sound, chemical effects of electric current

                                                      Class-8: Unit 03


                                                      Living world
                                                      • Cell, reproduction, reaching the age of adolescence, conservation of plants and animals

                                                      Class-8: Unit 04


                                                      Materials
                                                      • Synthetic fibres and plastics, metals and non-metals, coal and petroleum, combustion and flame

                                                      Class-8: Unit 05


                                                      Natural phenomena and natural resources
                                                      • Some natural phenomena, the universe, pollution of air and water

                                                      Class-8: Unit 06


                                                      Reasoning and aptitude

                                                        Class-8: Unit 07


                                                        Scholar zone

                                                          Class-9: Unit 01


                                                          Matter
                                                          • Matter in our surroundings, is matter around us pure

                                                          Class-9: Unit 02


                                                          Atoms and molecules
                                                          • Atoms and molecules, structure of the atom

                                                          Class-9: Unit 03


                                                          Living world
                                                          • Cell, tissues, diversity in living organisms, why do we fall ill

                                                          Class-9: Unit 04


                                                          Natural resources
                                                          • Natural resources, improvement in food resources

                                                          Class-9: Unit 05


                                                          Force and motion, gravitation
                                                          • Motion, force and laws of motion, gravitation

                                                          Class-9: Unit 06


                                                          Work and energy, sound

                                                            Class-9: Unit 07


                                                            Reasoning and aptitude

                                                              Class-9: Unit 08


                                                              Scholar zone

                                                                Class-10: Unit 01


                                                                Chemical reactions
                                                                • Chemical reactions and equations, acids, bases and salts, metals and non-metals

                                                                Class-10: Unit 02


                                                                Periodic table and carbon, and its compounds
                                                                • Periodic classification of elements, carbon and its compounds

                                                                Class-10: Unit 03


                                                                Life processes
                                                                • Life processes, control and coordination, how do organisms reproduce

                                                                Class-10: Unit 04


                                                                Heredity and evolution

                                                                  Class-10: Unit 05


                                                                  Light and electricity
                                                                  • Reflection of light, refraction of light, human eye and colourful world, electricity, magnetic effect of electric current

                                                                  Class-10: Unit 06


                                                                  Environment
                                                                  • Our environment, sources of energy, management of natural resources

                                                                  Class-10: Unit 07


                                                                  Reasoning and aptitude

                                                                    Class-10: Unit 08


                                                                    Scholar zone

                                                                      Class-11 PCB: Unit 01


                                                                      Physics
                                                                      • Physical world and measurement, kinematics, laws of motion, work, energy and power, motion of system of particles and rigid body, gravitation, properties of bulk matter, thermodynamics, behaviour of perfect gas and kinetic theory, oscillations and waves

                                                                      Class-11 PCB: Unit 02


                                                                      Chemistry
                                                                      • Basic concepts of chemistry, structure of atom, classification of elements and periodicity in properties, chemical bonding and molecular structure, states of matter: Gases and liquids, thermodynamics, equilibrium, redox reactions, hydrogen
                                                                      • s-block elements (alkali and alkaline earth metals), some p-block elements (B,C,N), organic chemistry-some basic principles and techniques, hydrocarbons, environmental chemistry

                                                                      Class-11 PCB: Unit 03


                                                                      Reasoning and aptitude

                                                                        Class-11 PCB: Unit 04


                                                                        Biology
                                                                        • Diversity in living world, structural organization in plants and animals, cell structure and functions, transport, nutrition and growth in plants, photosynthesis and respiration in plants, digestion and absorption, breathing and respiration
                                                                        • Body fluids and circulation, excretory products and elimination, locomotion and movement, control and coordination

                                                                        Class-11 PCM: Unit 01


                                                                        Physics
                                                                        • Physical world and measurement, kinematics, laws of motion, work, energy and power, motion of system of particles and rigid body, gravitation, properties of bulk matter, thermodynamics, behaviour of perfect gas and kinetic theory, oscillations and waves

                                                                        Class-11 PCM: Unit 02


                                                                        Chemistry
                                                                        • Basic concepts of chemistry, structure of atom, classification of elements and periodicity in properties, chemical bonding and molecular structure, states of matter: Gases and liquids, thermodynamics, equilibrium, redox reactions, hydrogen
                                                                        • s-block elements (alkali and alkaline earth metals), some p-block elements (B,C,N), organic chemistry-some basic principles and techniques, hydrocarbons, environmental chemistry

                                                                        Class-11 PCM: Unit 03


                                                                        Reasoning and aptitude

                                                                          Class-11 PCM: Unit 04


                                                                          Mathematics
                                                                          • Sets, relation and function, trigonometric functions, mathematical induction, complex number, sequence and series, permutation and combination, binomial theorem coordinate geometry, limits and derivatives, statistics, 3D geometry, vectors, probability
                                                                          • Logarithm, inequality, applied mathematics, mathematical reasoning

                                                                          Class-12 PCB: Unit 01


                                                                          Physics
                                                                          • Electrostatics, current electricity, magnetic effects of current and magnetism, electromagnetic induction and alternating currents, electromagnetic waves, optics, dual nature of matter and radiation, atoms and nuclei, electronic devices
                                                                          • Communication systems

                                                                          Class-12 PCB: Unit 02


                                                                          Chemistry
                                                                          • Solid state, solutions, electrochemistry, chemical kinetic, surface chemistry, principles and processes of isolation of elements, p, d, and f block elements, coordination compounds, organic compounds containing halogens (haloalkanes and haloarenes)
                                                                          • Organic compounds containing oxygen (alcohols, phenols, and ethers, aldehydes, ketones, and carboxylic acids), organic compounds containing nitrogen (amines, amides, cyanides, isocyanides), biomolecules, polymers, chemistry in everyday life

                                                                          Class-12 PCB: Unit 03


                                                                          Reasoning and aptitude

                                                                            Class-12 PCB: Unit 04


                                                                            Biology
                                                                            • Reproduction in living organisms, sexual reproduction in flowering plants, reproduction in human, reproductive health, principles of inheritance and variation, molecular basis of inheritance, evolution
                                                                            • Human health and disease and role of microbes in human welfare, strategies for enhancement in food production, biotechnology: Principles, processes and its applications: Ecology, ecosystem and environment issues

                                                                            Class-12 PCM: Unit 01


                                                                            Physics
                                                                            • Electrostatics, current electricity, magnetic effects of current and magnetism, electromagnetic induction and alternating currents, electromagnetic waves, optics, dual nature of matter and radiation, atoms and nuclei, electronic devices
                                                                            • Communication systems

                                                                            Class-12 PCM: Unit 02


                                                                            Chemistry
                                                                            • Solid state I solutions, electrochemistry, chemical kinetic, surface chemistry, principles and processes of isolation of elements, p, d, and f block elements, coordination compounds, organic compounds containing halogens (haloalkanes and haloarenes)
                                                                            • Organic compounds containing oxygen (alcohols, phenols, and ethers, aldehydes, ketones, and carboxylic acids), organic compounds containing nitrogen (amines, amides, cyanides, isocyanides), biomolecules, polymers, chemistry in everyday life

                                                                            Class-12 PCM: Unit 03


                                                                            Reasoning and aptitude

                                                                              Class-12 PCM: Unit 04


                                                                              Mathematics
                                                                              • Relation and function, inverse trigonometric function, matrices and determinants, limits and continuity, differentiation, application of derivatives, integration, application of integral, differential equation, vectors, 3D, linear programming, probability
                                                                              • Applied mathematics, mathematical reasoning

                                                                              To prepare for iOS 2026-27, students must thoroughly prepare the CBSE/ICSE/State board syllabus and also start solving sample papers or previous years' question papers on iOS.

                                                                              • As they would be required to prepare for the iOS exam 2026-27 along with their class syllabus, it is advised to spend an hour or two every day, especially for the International Olympiad of Science (iOS) preparation.
                                                                              • Make a monthly schedule and stick to it.    
                                                                              • Ask your teacher or friends for any doubts and clear them as soon as possible.  
                                                                              • Make notes to help with last-minute revision.    
                                                                              • Eat well. Exercise and indulge in a hobby to rejuvenate yourself.

                                                                              The SilverZone Foundation will release the IOS answer key 2026-27 for level 1 within 30 days after the exam. Candidates can visit the official website at silverzone.org/answer-key to access and download the IOS 2026 answer key. 

                                                                              The iOS result 2026-276 level 1 will be announced in January 2027, in online mode on the official website. Shortlisted students will appear for the iOS 2026-27 level 2 exam in March 2027. The result for level 2 will be declared in March 2027. Last year, the IOS results were declared on January 16, 2026. 

                                                                              The IOS Level 3 exam will be conducted in May/June 2027, and the results for the same will be declared by August/September 2027. Students who qualify will be awarded scholarships as follows -

                                                                              Certificates and awards- level 1

                                                                              Rank. No.ClassAward
                                                                              4th to 10th Olympiad rank1st to 12th4th to 10th Intl. Olympiad rank holders in each class will be awarded a Gift Certificate of a different value.
                                                                              11th to 25th Olympiad rank1st to 12th11th to 25th Intl. Olympiad rank holders in each class will be awarded a Gift Certificate of a different value.
                                                                              26th to 500th Olympiad rank1st to 12th26th to 500th Intl. Olympiad rank holders in each class will be awarded a Topper Achievement Certificate.
                                                                              1th, 2th and 3rd Zonal Rank1st to 12thAll Zonal Rank 1st, 2nd 3rd rank holders of all classes will be awarded Medals of Excellence
                                                                              1th, 2th and 3rd State Rank1st to 12thAll State Rank 1st, 2nd 3rd rank holders of all classes will be awarded Medals of Excellence
                                                                              1st, 2nd 3rd Class Topper1st to 12thClass Topper 1st, 2nd 3rd rank holders of every class of each school will be awarded with Medals of Excellence, provided the topper obtains at least 50% marks
                                                                              All1st to 12thAll the participants will be awarded with the participation Certificate Reflecting their Class/Zonal/State/Olympiad Ranks and Marks.

                                                                              General Information

                                                                              Contact Number:

                                                                              01126166210 + 2 more

                                                                              Relevant Links:

                                                                              Official Website Link Click Here

                                                                              Frequently Asked Questions (FAQs)

                                                                              Q: When will the Silverzone Foundation declare the iOS result for the level 1 exam?
                                                                              A:

                                                                              The results for the Silverzone iOS level 1 exam 2026-27 will be announced in January 2027. Last year, for the academic year 2025-26, the results were declared on January 16, 2026.

                                                                              Q: When will the foundation release the IOS answer key?
                                                                              A:

                                                                              The SilverZone foundation will release the IOS answer key 2026-27 within 30 days after the exam.

                                                                              Q: Students of which class can appear for the iOS exam?
                                                                              A:

                                                                              Students of Class 1 to 12 are eligible to apply for the iOS exam.

                                                                              Q: Who can appear for level 2 exam?
                                                                              A:

                                                                              Students selected in level 1 iOS exam can appear for level 2 exam.

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                                                                              Questions related to iOS

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                                                                              Have a question related to iOS ?

                                                                              Hi! To obtain your SilverZone Olympiad access code, first check your registered email or SMS for the enrollment ticket, as the access code and 12-digit enrollment number are printed on it. If you registered through your school, contact your school coordinator because they usually keep a record of students’ enrollment

                                                                              Dear student,

                                                                              Silverzone is about to release the answer key for the science olympiad exam. Once available, students can download IOS answer key from the official website: silverzone.org

                                                                              Silver Zone Olympiad 2025-2026 ( IOS and IOEL) results:

                                                                              • Expected:January 2026 for level 1.

                                                                              • Check here: https://www.silverzone.org/results

                                                                              • Enter enrollment number and details to view marks and rank.

                                                                              • level 2 results (qualifiers )usually in March/April 2026.


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