Dashboard · Exams · SOF NSO
SOF National Science Olympiad
School-level science olympiad conducted by SOF. 35 questions for Class 1–4, 50 questions for Class 5–12 in Logical Reasoning, Science, and Achievers Section.
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Verbal ReasoningIf the letters in the word 'CREATIVE' are rearranged in alphabetical order, which letter will be in the 5th position from the left?
Tap an option to check your answer.
Start with a diagnostic
10 questions across the syllabus to see where you stand.
2025
21 questions
Take paper →2024
20 questions
Take paper →2023
20 questions
Take paper →2022
20 questions
Take paper →2021
19 questions
Take paper →Take any mock in your preferred language — use the language picker inside the mock to switch (Hindi, Telugu, Tamil, Bengali, and 15 more).
SOF NSO — Full Length Practice
FULL50 questions · 60 min
Start mock →SOF NSO — Science Drill
SUBJECT15 questions · 20 min
Start mock →SOF NSO — Logical Reasoning Drill
SUBJECT15 questions · 20 min
Start mock →SOF NSO — Achievers Section Drill
SUBJECT15 questions · 20 min
Start mock →SOF NSO — Full Mock 1
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 2
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 3
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 4
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 5
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 6
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 7
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 8
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 9
FULL50 questions · 60 min
Start mock →SOF NSO — Full Mock 10
FULL50 questions · 60 min
Start mock →Take a mock to see where you stand on the leaderboard.
| # | Student | Score |
|---|---|---|
| 1 | Venu M. | 0.0% |
What can I get from SOF NSO?
Mock-score → expected rank → likely outcome. Use the mocks below to find your current band, then plan how many marks you need to climb.
Elite top 10 internationally
93–100% · Post-based exam (no numeric rank)
Top international ranks (IR 10-25)
86–92% · Post-based exam (no numeric rank)
Zonal/International rank contenders
76–85% · Post-based exam (no numeric rank)
State-level merit range
61–75% · Post-based exam (no numeric rank)
Above-average performance
41–60% · Post-based exam (no numeric rank)
School-level participation
0–40% · Post-based exam (no numeric rank)
AI-curated from historic cut-off patterns. Always verify with the latest official notification before making decisions.
SOF has confirmed that the NSO/ISO will have a second-level exam for students of Classes 3 to 12. Level 2 dates will be announced by December 2026, tentatively scheduled for the 2nd or 3rd Sunday of February 2027.
SOF has released official sample question papers for the NSO 2026-27 exam in PDF format. These papers help students familiarize themselves with the exam pattern and assess their preparation level before the Level 1 exam.
Science Olympiad Foundation has released the Level 1 exam dates for SOF NSO 2026-27. Schools can choose from three dates: 30th October, 19th November, or 3rd December 2026. The entire school must conduct the exam on one chosen date only.
Olympiad registration forms for the 2026-27 session have been dispatched to registered schools. Schools that have not received forms should contact SOF at info@sofworld.org. Registration must be completed at least 30 days before the chosen exam date.
School registration deadline for Date 1 (30 days before exam)
82 days awayWed, 30 Sept, 2026
Schools must submit registration forms at least 30 days before chosen exam date
🏅Level 1 Exam - Date One
112 days awayFri, 30 Oct, 2026
30th October 2026; schools choose one date from three options
🏅Level 1 Exam - Date Two
132 days awayThu, 19 Nov, 2026
19th November 2026; separate question paper from Date One
🏅Level 1 Exam - Date Three
146 days awayThu, 3 Dec, 2026
3rd December 2026; separate question paper from other dates
Level 2 exam dates announcement expected
174 days awayThu, 31 Dec, 2026
SOF typically announces Level 2 dates by December
Level 1 results expected
195 days awayThu, 21 Jan, 2027
Results typically declared within 8 weeks of exam
Click any topic to read study notes
Verbal Reasoning
Word-based analogy, classification and word formation problems.
Non-Verbal Reasoning
Figure-based pattern, analogy, classification and series problems.
Series Completion
Number, alphabet and figural series — find the missing or next term.
Analogy
Word, number and figural analogy with a common relation.
Coding-Decoding
Letter-letter, letter-number and substitution coding patterns.
Mathematical Operations
Substitute symbols/operators and apply BODMAS to evaluate expressions.
Alphabet Test
Position of letters, alphabet rearrangement and letter-distance problems.
Ranking and Order
Linear arrangement and rank from top/bottom problems.
Blood Relations
Family-tree and pointing-style relationship problems.
Direction Sense
Compass-based movement, shortest distance and final direction.
Missing Characters
Find the missing number/letter inside a matrix or pattern.
Embedded Figures
Identify a smaller figure hidden in a complex figure.
Mirror and Water Images
Mirror and water reflection of letters, numbers and figures.
Paper Folding and Cutting
Predict the appearance of paper after folding, cutting and unfolding.
Cubes and Dice
Cube colouring, opposite faces, dice and counting cubes problems.
Figure Matrix and Patterns
3×3 figure matrices and odd-figure-out problems.
Matter in Our Surroundings
States of matter, change of state, evaporation, latent heat and diffusion.
Is Matter Around Us Pure
Mixtures, solutions, suspensions, colloids and methods of separation.
Atoms and Molecules
Laws of chemical combination, atomic and molecular masses, mole concept.
Structure of the Atom
Sub-atomic particles, Thomson, Rutherford, Bohr models, isotopes and isobars.
Motion
Distance, displacement, velocity, acceleration and equations of motion.
Higher Order Science Application
HOTS questions applying concepts from the Science section to novel scenarios.
Experimental and Lab Skills
Predicting outcomes of experiments and interpreting lab observations.
Data and Graph Analysis
Reading and inferring from tables, charts and scientific graphs.
Problem Solving
Multi-step numerical and conceptual problems blending two or more topics.
Real-World Applications
Contextual questions linking science concepts to everyday phenomena.
🏅Level 2 Exam (tentative)
230 days awayThu, 25 Feb, 2027
Tentatively 2nd or 3rd Sunday of February 2027; for Classes 3-12 qualifiers
Force and Laws of Motion
Newton's three laws, inertia, momentum and conservation of momentum.