IOQJS (Indian Olympiad Qualifier in Junior Science) is a national-level science Olympiad exam for students of Class 10 and below, conducted by IAPT and HBCSE. It is the first stage of selection for India's team to the International Junior Science Olympiad (IJSO).Key highlights:Covers Physics, Chemistry, and Biology as per Class 10 CBSE/NSEJS standards.Open for students up to Class 10, meeting the specified age and eligibility conditions.Selection is based on a two-paper exam evaluating conceptual clarity and scientific reasoning.

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IOQJS 2025 Exam Guide: Eligibility, Syllabus, and Preparation

IOQJS 2025 Exam Guide: Eligibility, Syllabus, and Preparation

Q: 2. Who can apply for IOQJS 2025?

Eligibility for IOQJS 2025 includes specific academic, age, and citizenship criteria.To apply, you must:Be enrolled in Class 8, 9, or 10 in an Indian school as of 30 Nov 2023.Be born between 1 January 2006 and 31 December 2007.Hold Indian citizenship (NRIs, OCIs not eligible as per latest rules).Have studied in India since November 2022 or earlier.Not appear for IOQP, IOQC, IOQB, or IOQA in the same year.Note: Official eligibility notices are released at iaptexam.in each year.

Q: 3. What is the exam pattern of IOQJS 2025?

IOQJS 2025 consists of two consecutive papers on the same day:Paper 1: 1 hour, Multiple Choice Questions (MCQs), ~36–40 questions, +3 for correct, -1 for wrong.Paper 2: 2 hours, Subjective/Descriptive, ~6–8 questions, partial marking allowed.Total Duration: 3 hours; students must qualify Paper 1 cutoff to be eligible for Paper 2.

Q: 4. What is the syllabus for IOQJS?

The IOQJS syllabus is based on the CBSE/NCERT Class 10 Science curriculum and covers:Physics: Mechanics, Heat, Light, Sound, Electricity, Magnetism, basics of Modern PhysicsChemistry: Atomic structure, Periodic table, Chemical reactions, Acids, Bases & Salts, Metals and Non-metals, Carbon compoundsBiology: Cell biology, Physiology, Genetics, Health, Plants & EnvironmentMathematics: Foundational math needed for science applications (arithmetic, algebra, geometry)

Q: 5. How many levels are there in the Science Olympiad for IOQJS?

The Science Olympiad pathway via IOQJS includes several stages:IOQJS Exam (Stage 1): National qualifying round (two papers).OCSC (Orientation-Cum-Selection Camp): For top qualifiers, with training and tests.Pre-Departure Training Camp: For final Indian team selection.IJSO (International Junior Science Olympiad): Global competition.

Q: 6. When is the IOQJS 2025 exam held?

The IOQJS 2025 exam is expected to be conducted in January 2025 (mid-to-late January).Official dates will be announced on IAPT and HBCSE portals, so check regularly for updates and notice releases.

Q: 7. What are the registration dates for IOQJS 2025?

Registration for IOQJS 2025 is likely to open in November–December 2024.Students must complete the online application via the official iaptexam.in portal within the given window. Stay updated with the portals for deadlines.

Q: 8. Where can I download IOQJS previous year question papers and solutions?

You can download IOQJS previous year papers and solutions from official sources and trusted portals:IAPT and HBCSE official websites for authentic exams and answer keys.Vedantu and similar educational platforms provide solved papers and practice material for IOQJS and past NSEJS.

Q: 9. Are IOQJS and NSEJS the same?

IOQJS (Indian Olympiad Qualifier in Junior Science) has replaced the earlier NSEJS (National Standard Examination In Junior Science) as the first stage for IJSO selection in India.Now, IOQJS combines both MCQ and subjective components, updating formats post-pandemic, but covers a similar syllabus and selection purpose.

Q: 10. What happens after qualifying IOQJS?

After qualifying IOQJS:Candidates are invited to the OCSC (Orientation-Cum-Selection Camp) with intensive training and further selection rounds.The best performers are chosen for the Pre-Departure Training Camp.A final team represents India at the International Junior Science Olympiad (IJSO).

IOQJS Exam Pattern, Syllabus & Registration Details 2025

Are you aiming for the Indian Olympiad Qualifier in Junior Science (IOQJS) 2025? This page gives students and parents complete, up-to-date guidance on IOQJS eligibility, key exam dates, detailed syllabus, and the latest exam pattern.

Find quick answers to all your IOQJS questions, download official previous year question papers and solutions, and discover expert tips to boost your score. Start your science Olympiad journey here so you can prepare smartly and step confidently towards the International Junior Science Olympiad (IJSO).

Prepare for IOQJS & Explore Other Science Olympiads

The IOQJS (Indian Olympiad Qualifier in Junior Science) is a prestigious national-level science Olympiad for students passionate about Physics, Chemistry, and Biology. Conducted annually by IAPT and HBCSE, IOQJS acts as the first step for students aspiring to represent India at the International Junior Science Olympiad (IJSO). This exam evaluates scientific aptitude, subject mastery, and analytical thinking through a dynamic two-paper format, making it a top choice for students aiming for Olympiad excellence.

IOQJS Important Dates

Event	Date
IOQJS Registration Start Date	November 2024 (Tentative)
IOQJS Registration End Date	December 2024 (Tentative)
IOQJS Exam Date	January 2025 (Tentative)
IOQJS Result Declaration	4–6 weeks after exam (Tentative)

IOQJS Eligibility Criteria

Academic Eligibility: Student must be enrolled in Class 10 or below in a recognized Indian school as of Nov 2023.
Age Limit: Must be born between 1 January 2006 and 31 December 2007.
Citizenship: Indian citizens only; NRI/OCI students are not eligible (per recent court ruling).
Schooling Requirement: Must be continuously studying in India since November 2022 or earlier.
Exclusive Attempt Rule: Cannot take IOQA, IOQB, IOQC, or IOQP in the same academic year.

IOQJS Syllabus & Subjects

The IOQJS syllabus covers major concepts in Physics, Chemistry, and Biology as per the national curriculum up to Class 10. Questions may also include simple mathematics relevant to science problem-solving.

Physics: Mechanics, electricity, heat, optics, sound, magnetism, and basic modern physics.
Chemistry: Atomic structure, periodicity, chemical reactions, acids and bases, metals, non-metals, and fundamental organic chemistry.
Biology: Cell structure, genetics, plant and animal physiology, ecology, health and environment.
Mathematics: Basic arithmetic, algebra, elementary geometry (only as applied in science questions).

For deep preparation, refer to the official IOQJS syllabus and high-quality previous year IOQJS questions.

IOQJS Exam Pattern

Paper	Type	Duration	No. of Questions	Marking Scheme
Paper 1	MCQ (Objective)	1 hour	~36–40	+3 / -1 marking
Paper 2	Subjective (Written)	2 hours	~6–8	Stepwise partial marking
Total: 3 hours; Paper 2 only for Paper 1 qualifiers; both conducted consecutively in pen-and-paper mode.

IOQJS Stage 1: Paper 1 (Objective MCQ)

Paper 1 is designed to rapidly test conceptual clarity in science through multiple-choice questions. Negative marking discourages guessing and promotes accuracy.

IOQJS Stage 2: Paper 2 (Subjective)

Paper 2 features descriptive, written solutions assessing analytical and scientific reasoning. Evaluation includes stepwise marking—not just final answers—emphasizing scientific communication just as tested at IJSO level.

IOQJS Registration Process

Visit the official IOQJS registration portal during the application window.
Fill in personal, school, and eligibility details as per the form instructions.
Upload any required proofs/documents as specified.
Pay the registration fee as guided on the portal (online payment recommended).
Save and print the confirmation page and payment receipt for future reference.

IOQJS Preparation Tips

Master the IOQJS syllabus using NCERT books and conceptual science guides.
Practice with actual IOQJS previous year question papers to familiarize yourself with question styles.
Attempt full-length timed mock tests to simulate exam pressure and boost speed.
Use solution keys rigorously to identify areas of weakness and correct conceptual errors.
Join expert-led courses like Vedantu’s Olympiad batches for structured guidance, strategy, and doubt-clearing.
Review high-yield topics in physics, chemistry, and biology in the final weeks before exam day.

IOQJS Details Mentioned in the Admit Card

Candidate’s name, photograph, and signature
Roll number and registration ID
Exam center address and reporting time
Exam date and shift timings
Instructions regarding permitted materials and COVID protocols (if any)

IOQJS Previous Year Cut-Off Trends

Year	Paper 1 Cut-Off Marks	Qualified for Paper 2
2024	~110/150	~300 (approximate, as per official notice)
2023	~108/150	~290
2022	~104/150	~280

IOQJS Results & Cut-Off Announcement

IOQJS results are published online 4–6 weeks after the exam on the IAPT official website. Separate lists are released for Paper 1 and Paper 2, with cut-off marks and merit ranks. Qualifiers advance to OCSC and subsequent selection stages for IJSO.

What to Do After the IOQJS Exam

Promptly check the IOQJS result using your roll number as soon as it’s announced.
If qualified, prepare for OCSC in Junior Science, focusing on in-depth experiments and theory.
Refer to the IJSO journey for stages and international opportunities.
Continue advanced preparation with mock tests and Olympiad-level problem-solving.

This IOQJS guide covers all essential details—eligibility criteria, syllabus, important dates, exam pattern, and verified registration steps—helping students track updates, strengthen preparation, and stay informed about every stage of this premier science Olympiad journey.

FAQs on IOQJS 2025 Exam Guide: Eligibility, Syllabus, and Preparation

1. What is IOQJS?

IOQJS (Indian Olympiad Qualifier in Junior Science) is a national-level science Olympiad exam for students of Class 10 and below, conducted by IAPT and HBCSE. It is the first stage of selection for India's team to the International Junior Science Olympiad (IJSO).

Key highlights:

Covers Physics, Chemistry, and Biology as per Class 10 CBSE/NSEJS standards.
Open for students up to Class 10, meeting the specified age and eligibility conditions.
Selection is based on a two-paper exam evaluating conceptual clarity and scientific reasoning.

2. Who can apply for IOQJS 2025?

Eligibility for IOQJS 2025 includes specific academic, age, and citizenship criteria.

To apply, you must:

Be enrolled in Class 8, 9, or 10 in an Indian school as of 30 Nov 2023.
Be born between 1 January 2006 and 31 December 2007.
Hold Indian citizenship (NRIs, OCIs not eligible as per latest rules).
Have studied in India since November 2022 or earlier.
Not appear for IOQP, IOQC, IOQB, or IOQA in the same year.

Note: Official eligibility notices are released at iaptexam.in each year.

3. What is the exam pattern of IOQJS 2025?

IOQJS 2025 consists of two consecutive papers on the same day:

Paper 1: 1 hour, Multiple Choice Questions (MCQs), ~36–40 questions, +3 for correct, -1 for wrong.
Paper 2: 2 hours, Subjective/Descriptive, ~6–8 questions, partial marking allowed.

Total Duration: 3 hours; students must qualify Paper 1 cutoff to be eligible for Paper 2.

4. What is the syllabus for IOQJS?

The IOQJS syllabus is based on the CBSE/NCERT Class 10 Science curriculum and covers:

Physics: Mechanics, Heat, Light, Sound, Electricity, Magnetism, basics of Modern Physics
Chemistry: Atomic structure, Periodic table, Chemical reactions, Acids, Bases & Salts, Metals and Non-metals, Carbon compounds
Biology: Cell biology, Physiology, Genetics, Health, Plants & Environment
Mathematics: Foundational math needed for science applications (arithmetic, algebra, geometry)

5. How many levels are there in the Science Olympiad for IOQJS?

The Science Olympiad pathway via IOQJS includes several stages:

IOQJS Exam (Stage 1): National qualifying round (two papers).
OCSC (Orientation-Cum-Selection Camp): For top qualifiers, with training and tests.
Pre-Departure Training Camp: For final Indian team selection.
IJSO (International Junior Science Olympiad): Global competition.

6. When is the IOQJS 2025 exam held?

The IOQJS 2025 exam is expected to be conducted in January 2025 (mid-to-late January).

Official dates will be announced on IAPT and HBCSE portals, so check regularly for updates and notice releases.

7. What are the registration dates for IOQJS 2025?

Registration for IOQJS 2025 is likely to open in November–December 2024.

Students must complete the online application via the official iaptexam.in portal within the given window. Stay updated with the portals for deadlines.

8. Where can I download IOQJS previous year question papers and solutions?

You can download IOQJS previous year papers and solutions from official sources and trusted portals:

IAPT and HBCSE official websites for authentic exams and answer keys.
Vedantu and similar educational platforms provide solved papers and practice material for IOQJS and past NSEJS.

9. Are IOQJS and NSEJS the same?

IOQJS (Indian Olympiad Qualifier in Junior Science) has replaced the earlier NSEJS (National Standard Examination In Junior Science) as the first stage for IJSO selection in India.

Now, IOQJS combines both MCQ and subjective components, updating formats post-pandemic, but covers a similar syllabus and selection purpose.

10. What happens after qualifying IOQJS?

After qualifying IOQJS:

Candidates are invited to the OCSC (Orientation-Cum-Selection Camp) with intensive training and further selection rounds.
The best performers are chosen for the Pre-Departure Training Camp.
A final team represents India at the International Junior Science Olympiad (IJSO).

11. What is the IOQJS result date and how to check it?

The IOQJS 2025 results will be published 4–6 weeks after the exam on official sites (iaptexam.in).

Check your result by:

Visiting the official website
Entering your roll number or registration details
Viewing marks, cut-offs, and selection status for both Paper 1 and Paper 2

12. What is the IOQJS cut-off and selection criteria?

The IOQJS cut-off marks vary each year depending on paper difficulty and student performance.

Selection highlights:

Around 35–40 students are shortlisted for OCSC.
Only candidates crossing the Paper 1 cut-off may have their Paper 2 evaluated.
Combined performance in both papers decides final selection.