Dashboard · Exams · NSEJS
National Standard Examination in Junior Science
HBCSE/IAPT Stage-1 junior science olympiad for Class 8–10 students. 80 MCQs in 2 hours integrating physics, chemistry, biology, and mathematics at Class 8–10 NCERT level.
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Measurement and UnitsA vernier caliper has 20 divisions on its vernier scale which coincide with 19 main scale divisions. If each main scale division is 1 mm, what is the least count?
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Start with a diagnostic
10 questions across the syllabus to see where you stand.
2025
14 questions
Take paper →2024
14 questions
Take paper →2023
14 questions
Take paper →2022
14 questions
Take paper →2021
14 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).
NSEJS — Quick Practice
FULL20 questions · 120 min
Start mock →Take a mock to see where you stand on the leaderboard.
What can I get from NSEJS?
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 — IJSO team contenders
90–100% · Post-based exam (no numeric rank)
All-India top 200-500
82–90% · Post-based exam (no numeric rank)
National top 500-1000
70–82% · Post-based exam (no numeric rank)
INJSO/IOQJS qualification zone
55–70% · Post-based exam (no numeric rank)
Regional merit range
35–55% · Post-based exam (no numeric rank)
Below qualifying threshold
0–35% · Post-based exam (no numeric rank)
AI-curated from historic cut-off patterns. Always verify with the latest official notification before making decisions.
IAPT has not yet released the official NSEJS 2026-27 dates. Students planning to appear should regularly check the official IAPT website for the final notification, registration schedule, and exam date.
Based on previous year patterns, NSEJS 2026-27 registration is expected to begin around mid-August 2026. Students can register through IAPT-authorised exam centres or their schools. Registration fee is ₹300.
For NSEJS 2026-27, students must be born between 1 January 2012 and 31 December 2013, be studying in India, and not have completed Class 10 board exam before 30 November 2026. Students cannot appear for NSEA, NSEB, NSEC or NSEP in the same year.
NSEJS is the first stage of selection for IJSO. Top performers advance through INJSO, OCSC, and Pre-Departure Camp before representing India internationally. Approximately 300 students qualify from NSEJS to INJSO each year.
NSEJS 2026-27 registration opens (expected)
42 days awayFri, 21 Aug, 2026
Individual online registration typically begins in mid-August via iapt.org.in
NSEJS 2026-27 registration deadline (expected)
66 days awayMon, 14 Sept, 2026
Registration usually closes mid-September; fee is ₹300
NSEJS 2026-27 admit card release (expected)
125 days awayThu, 12 Nov, 2026
Hall tickets released online via IAPT portal before exam
🏅NSEJS 2026-27 exam date (expected)
136 days awayMon, 23 Nov, 2026
Typically held on a Sunday in late November, 2:30 PM to 4:30 PM
NSEJS 2026-27 result announcement (expected)
190 days awaySat, 16 Jan, 2027
Results typically declared in January; top performers qualify for INJSO
🏅INJSO 2027 (Stage 2 for NSEJS qualifiers)
205 days awaySun, 31 Jan, 2027
Indian National Junior Science Olympiad for approximately 300 NSEJS qualifiers
Click any topic to read study notes
Measurement and Units
SI units, measuring instruments, significant figures and basic dimensional ideas at Class 8-10 level.
Motion
Distance, displacement, speed, velocity, acceleration and motion graphs.
Force and Laws of Motion
Newton's three laws of motion, momentum and conservation of momentum.
Gravitation
Universal law of gravitation, free fall, mass and weight, thrust and pressure, buoyancy.
Work, Energy and Power
Work, kinetic and potential energy, conservation of energy and units of energy/power.
Sound
Production and propagation of sound, reflection, echo, range of hearing and ultrasound applications.
Light — Reflection and Refraction
Reflection from plane and spherical mirrors, mirror formula, refraction, refractive index and lens formula.
Electricity
Electric current, potential difference, Ohm's law, resistance, series/parallel circuits and power dissipation.
Magnetic Effects of Current
Magnetic field lines, Oersted's experiment, electromagnets, motor and generator (qualitative).
Sources of Energy
Conventional and non-conventional sources, fossil fuels, solar, wind, nuclear and biomass energy.
Heat and Temperature
Heat as form of energy, temperature, thermometers, specific heat and change of state.
Matter — Nature and States
States of matter, physical properties, change of state, latent heat and evaporation.
Is Matter Around Us Pure?
Mixtures, solutions, suspensions, colloids, separation techniques and elements vs compounds.
Atoms and Molecules
Laws of chemical combination, atomic and molecular masses, mole concept and chemical formulas.
Structure of the Atom
Discovery of subatomic particles, Thomson, Rutherford and Bohr models, isotopes and isobars.
Chemical Reactions and Equations
Balancing equations, types of reactions (combination, decomposition, displacement, redox) and oxidation/reduction.
Cell — The Fundamental Unit of Life
Cell theory, prokaryotic vs eukaryotic cells, cell organelles and cell division basics.
Tissues
Plant tissues (meristematic, permanent) and animal tissues (epithelial, connective, muscular, nervous).
Diversity in Living Organisms
Hierarchical classification, five kingdoms and major plant/animal groups.
Life Processes
Nutrition, respiration, transportation, excretion in plants and animals.
Control and Coordination
Nervous system, reflex action and chemical coordination through hormones in plants and animals.
Number Systems
Real numbers, rational/irrational numbers, Euclid's division lemma and laws of exponents.
Polynomials
Degree, zeros, factorisation, remainder theorem, factor theorem and identities.
Linear Equations
Linear equations in one and two variables — graphical and algebraic solutions.
Quadratic Equations
Solution by factorisation, completing the square, quadratic formula and discriminant.
Arithmetic Progressions
AP — nth term, sum of n terms and word problems.
OCSC 2027 - Orientation cum Selection Camp
295 days awaySat, 1 May, 2027
Top 35 INJSO performers attend camp at HBCSE Mumbai for final IJSO selection
How Do Organisms Reproduce?
Asexual and sexual reproduction, reproduction in plants and humans and reproductive health.
Coordinate Geometry
Cartesian system, distance formula, section formula and area of a triangle.