Exams · NSEJS
NSEJS
NSEJS 2026 exam: 22 Nov 2026 (official — iapt.org.in). Official site: iapt.org.in.
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.
Free NSEJS mock tests and previous year paper practice — start now.
Full-length mocks with instant scoring and solutions, PYQ-pattern papers, topic-wise tests and Ask Shishya when you're stuck. Your scores and a free day-by-day plan are saved to your account. All free, no credit card. Content is AI-drafted and checked against the official notification.
Updated 24 Sept 2026 ·Vacancy counts change every cycle — always confirm the exact number in the latest official notification before applying.
Sourced
Source: official exam authority notification · refreshed weekly. How this works →
✦ Try a NSEJS question — free, no signup
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?
Tap an option to check your answer.
Start with a diagnostic
5 questions across the syllabus to see where you stand.
This becomes your exam: a Daily 5 email on mornings after you visit, and emails about your streak, live tests, exam date and result day, or after a week away. Each has an unsubscribe link.
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NSEJS — Frequently asked questions
Is Shishya free for NSEJS preparation?
How many NSEJS practice questions does Shishya have?
Are NSEJS previous year question papers available?
What is the expected cutoff for NSEJS?
Is there a full-length NSEJS mock test in the real exam pattern?
Can I build a topic-wise NSEJS mock test?
How can I prepare for NSEJS for free?
Previous year papers
70 questions across all yearsOfficial papers
Question papers and answer keys as the conducting body published them. Each link opens the body's own file.
2025
- Question paper: NSEJS 2025 Question Paper, Code 51 ↗ · English · 1.2 MB
- Answer key: NSEJS - 2025 Final Answer Key (codes 51-54) ↗ · English · 453 KB
2024
- Question paper: NSEJS 2024 Question Paper (Delhi NCR sitting, Dec 2024), Code 55 ↗ · English · 1.2 MB
- Question paper: NSEJS 2024 Question Paper, Code 51 (held Nov 2024) ↗ · English · 1.2 MB
- Answer key: NSEJS - 2024 (NCR) Final Answer Key (codes 55-58) ↗ · English · 355 KB
- Answer key: NSEJS - 2024 Final Answer Key (codes 51-54) ↗ · English · 453 KB
2023
- Question paper: NSEJS 2023 Question Paper, Code 51 ↗ · English · 1.1 MB
- Answer key: NSEJS - 2023 Final Answer Key (codes 51-54) ↗ · English · 342 KB
2022
- Answer key: NSEJS - 2022 Final Answer Key (codes 51-54) ↗ · English · 414 KB
2021-22
- Question paper: IOQJS 2021-22 Part I (NSEJS) Question Paper, Code 51 ↗ · English · 1.4 MB
- Answer key: IOQJS 2021-22 Part I (NSEJS) Final Answer Key ↗ · English · 607 KB
2019-20
- Question paper: NSEJS 2019-20 Question Paper ↗ · English · 2.2 MB
2019
- Answer key: NSEJS - 2019 Final Answer Keys ↗ · English · 395 KB
Published by Indian Association of Physics Teachers (IAPT)
Previous year paper practice: each year is a set of PYQ-pattern questions — freshly worded in the pattern of that year's paper, not the paper itself. Every card shows how many it holds against the real paper's count.
2025
14 PYQ-pattern questions modelled on the 2025 paper (which had 80)
Practise these →2024
14 PYQ-pattern questions modelled on the 2024 paper (which had 80)
Practise these →2023
14 PYQ-pattern questions modelled on the 2023 paper (which had 80)
Practise these →2022
14 PYQ-pattern questions modelled on the 2022 paper (which had 80)
Practise these →2021
14 PYQ-pattern questions modelled on the 2021 paper (which had 80)
Practise these →
Mock tests
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
SET20 questions · 120 min
Start mock →NSEJS — 2025 PYQ-pattern set (14 of 80 questions)
SET14 questions · 120 min
Start mock →NSEJS — Full-Length Mock (Real Pattern: 80Q · 120 min)
FULL80 questions · 120 min
Start mock →
Practice by subject & topic
Full-length subject tests below — 25 questions each, real exam format, instant scoring.Want to drill a single topic? Open it from the syllabus — a topic that has practice questions has a short quiz on its page.
Physics
122 QsChemistry
80 QsBiology
101 QsMathematics
105 Qs
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Your rank
vs everyone who has taken this examTake a mock to see where you stand on the leaderboard.
Students
9
Mocks taken
18
Average score
42%
Top score
100%
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.
National top tier — IJSO team contenders
82–100% · Post-based exam (no numeric rank)
- •Among top 100 students nationally in NSEJS
- •Almost certain OCSC selection and intensive training
- •Strong contender for 6-member Indian team to IJSO — representing India internationally
- •Typically receive gold medal at INJSO
- •Excellent foundation for future INMO, INPhO, INChO paths
- •Previous toppers have gone on to international medals (silver/gold at IJSO)
High INJSO merit range
70–82% · Post-based exam (no numeric rank)
- •Very strong INJSO qualification — typically top 200 nationally
- •High probability of selection for OCSC (Orientation cum Selection Camp)
- •Competitive for national team selection to IJSO
- •May receive gold/silver medals at INJSO level
- •Candidates at this level often progress to senior olympiads (NSEP/NSEC/NSEB) successfully
INJSO qualification likely
55–70% · Post-based exam (no numeric rank)
- •Strong chance of INJSO (Indian National Junior Science Olympiad) selection
- •Approximately top 300-400 students nationally reach this level
- •Eligible for intensive training camps in some states
- •pathway to represent India at IJSO (International Junior Science Olympiad)
- •Focus on experimental skills and deeper theory for INJSO stage
State-level qualification range
35–55% · Post-based exam (no numeric rank)
Below qualification 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.
News & timeline
See older updates →Latest news
IAPT has opened student enrolment for NSEJS 2026 from 21 August to 14 September 2026. Students studying in Classes 8, 9, or 10 and meeting age criteria (born 1 Jan 2012 to 31 Dec 2013) can register online at iapt.org.in or through registered exam centres.
IAPT has officially announced that NSEJS 2026 will be conducted on Sunday, 22 November 2026 from 2:30 PM to 4:30 PM at centres across India. The exam is the first stage for International Junior Science Olympiad selection.
IAPT completed centre registration for NSEJS 2026 from 1 to 20 August 2026. Recognized schools and institutions registered as exam centres before individual student enrolment began on 21 August.
Important dates
Centre registration end
passedThu, 20 Aug, 2026
Officialiapt.org.in ↗Last date for centres to complete registration
Student enrolment start
passedFri, 21 Aug, 2026
Officialiapt.org.in ↗Students can enrol through registered centres or individually online
Student enrolment end
passedMon, 14 Sept, 2026
Officialiapt.org.in ↗Last date for student registration; fee ₹300 (non-refundable)
🏅NSEJS 2026 exam
42 days awaySun, 22 Nov, 2026
Officialiapt.org.in ↗2:30 PM to 4:30 PM; 216 marks, 2 hours; MCQs in Physics, Chemistry, Biology up to Class 10 level · no key published for this stage
INJSO 2027 result (expected)
80 days awayWed, 30 Dec, 2026
ExpectedList of students eligible for Indian National Junior Science Olympiad (INJSO) 2027 expected by 30 December 2026, based on previous cycle pattern
Syllabus
Tap any topic for its study notes + a 10-question topic test
Physics
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.
Chemistry
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.
Acids, Bases and Salts
Properties of acids and bases, pH scale, neutralisation, salts and chemicals from common salt.
Metals and Non-metals
Physical and chemical properties, reactivity series, ionic compounds, metallurgy and corrosion.
Carbon and its Compounds
Bonding in carbon, allotropes, hydrocarbons, functional groups, ethanol, ethanoic acid and soaps.
Periodic Classification of Elements
Doebereiner triads, Newlands' law, Mendeleev's table and modern periodic table trends.
Biology
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.
How Do Organisms Reproduce?
Asexual and sexual reproduction, reproduction in plants and humans and reproductive health.
Heredity and Evolution
Mendelian inheritance, sex determination, evidences of evolution and human evolution basics.
Why Do We Fall Ill?
Health and disease, infectious and non-infectious diseases and principles of treatment.
Improvement in Food Resources
Crop production, animal husbandry, fisheries and food preservation.
Our Environment and Natural Resources
Ecosystem, food chains, environmental issues, biogeochemical cycles and conservation of resources.
Mathematics
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.
Coordinate Geometry
Cartesian system, distance formula, section formula and area of a triangle.
Triangles
Congruence, similarity, basic proportionality theorem and Pythagoras theorem.
Circles
Tangents, properties of chords and angle properties of circles.
Geometric Constructions
Constructing tangents, dividing line segments and similar triangles.
Introduction to Trigonometry
Trigonometric ratios, ratios of complementary angles, basic identities and heights and distances.
Mensuration
Areas of plane figures and surface areas/volumes of cubes, cuboids, cylinders, cones and spheres.
Statistics
Mean, median, mode and graphical representation (bar graph, histogram, frequency polygon).
Probability
Classical probability, simple events and elementary probability problems.