NSE Olympiad Previous Year Question Papers (PYQs) are essential preparation resources for students aspiring to represent India at the International Science Olympiads (ISO). They allow candidates to understand the exam structure, question patterns, and difficulty level required to excel in these prestigious competitions.

The Association of Physics Teachers (IAPT) conducts the National Standard Examination (NSE) in coordination with subject-specific teacher associations. It is the first stage or qualifying exam for the Indian National Olympiad (INO) selection process. The examination assesses students' conceptual understanding, analytical reasoning, and problem-solving abilities across five subjects: Physics (NSEP), Chemistry (NSEC), Biology (NSEB), Astronomy (NSEA), and Junior Science (NSEJS).

To help NSE 2026 candidates prepare for the exam, SciAstra has provided subject-wise NSE Previous-Year Question Paper PDFs for NSEP, NSEC, NSEB, and NSEA in this article.

Table of Contents

NSE 2026 Question Paper Structure

Understanding the NSE 2026 question paper structure is essential for students preparing for the National Standard Examination. It helps them become familiar with the types of questions asked in the exam and other important details, including the exam medium, duration, and mode. This information enables students to adjust their preparation strategies accordingly.

The question paper structure is commonly referred to as the NSE 2026 exam pattern. The NSE question paper is designed to assess candidates’ conceptual knowledge, analytical reasoning, and ability to apply scientific principles to unfamiliar problems.

The examination will be conducted in offline mode and will consist of objective-type, subject-specific questions based on the prescribed syllabus.

All the important details regarding the NSE 2026 question paper structure are provided below:

NSE 2026 Question Paper Structure

Particulars

Details

Examination

National Standard Examination (NSE)

Conducting Organisation

Indian Association of Physics Teachers (IAPT)

Subjects

Physics, Chemistry, Biology, Astronomy, and Junior Science

(Note: The question paper for each subject is different but follows the same pattern.)

Examination Mode

Offline (OMR-Based)

Question Type

Objective-Type Questions

Exam Duration

2 Hours

Medium/Language

English

Examination Stage

First Stage of the Science Olympiad Selection Process

NSE Olympiad 2026 Question Paper Sections and Marking Scheme

Candidates preparing for NSE 2026 should also be familiar with the section-wise structure and marking scheme of each subject's question paper. Understanding these details will help them identify the sections included in the examination and the criteria used to evaluate their performance. The details are provided below:

Exam

Subject

Part A

Part B

Total Questions

Total Marks

NSEP 2026

Physics

48 questions; one correct option; +3 marks for correct, −1 mark for incorrect

12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked

60

216

NSEC 2026

Chemistry

48 questions; one correct option; +3 marks for correct, −1 mark for incorrect

12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked

60

216

NSEB 2026

Biology

48 questions; one correct option; +3 marks for correct, −1 mark for incorrect

12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked

60

216

NSEA 2026

Astronomy

48 questions; one correct option; +3 marks for correct, −1 mark for incorrect

12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked

60

216

NSEJS 2026

Junior Science

48 questions; one correct option; +3 marks for correct, −1 mark for incorrect

12 questions; one or more correct options; +6 marks only when all correct and no incorrect options are marked

60

216

NSE Olympiad Previous Year Question Papers (PYQs)

Solving NSE Olympiad previous year question papers is a highly effective preparation strategy that helps students gain insights into frequently tested concepts, question formats, and the level of analytical thinking required for the examination.

Students preparing for NSEP, NSEC, NSEB, and NSEA can download the subject-wise NSE PYQ PDFs provided below. Practising these papers under timed conditions can help students identify knowledge gaps, improve accuracy, and develop effective exam strategies.

NSEP Previous Year Question Papers (PYQs)

The National Standard Examination in Physics (NSEP) evaluates students' understanding of fundamental and advanced Physics concepts, mathematical reasoning, and their ability to solve application-based problems.

Students can download the NSEP PYQ PDFs from the table below to strengthen their exam preparation. \

NSEP PYQs (2015–2025)

Year

PYQ PDF

NSEP 2025 Question Paper

NSEP 2025 Question Paper

NSEP 2024 Question Paper

NSEP 2024 Question Paper

NSEP 2023 Question Paper

NSEP 2023 Question Paper

NSEP 2022 Question Paper

NSEP 2022 Question Paper

NSEP 2021 Question Paper

NSEP 2021 Question Paper

NSEP 2020 Question Paper

NSEP 2020 Question Paper

NSEP 2019 Question Paper

NSEP 2019 Question Paper

NSEP 2018 Question Paper

NSEP 2018 Question Paper

NSEP 2017 Question Paper

NSEP 2017 Question Paper

NSEP 2016 Question Paper

NSEP 2016 Question Paper

NSEP 2015 Question Paper

NSEP 2015 Question Paper

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Learn More

NSEC Previous Year Question Papers (PYQs)

The National Standard Examination in Chemistry (NSEC) tests students' conceptual understanding and problem-solving abilities across Physical, Organic, and Inorganic Chemistry.

The PDFs for the NSEP PYQs are available below:

NSEC PYQs (2015–2025)

Year

PYQ PDF

NSEC 2025 Question Paper

NSEC 2025 Question Paper

NSEC 2024 Question Paper

NSEC 2024 Question Paper

NSEC 2023 Question Paper

NSEC 2023 Question Paper

NSEC 2022 Question Paper

NSEC 2022 Question Paper

NSEC 2021 Question Paper

NSEC 2021 Question Paper

NSEC 2020 Question Paper

NSEC 2020 Question Paper

NSEC 2019 Question Paper

NSEC 2019 Question Paper

NSEC 2018 Question Paper

NSEC 2018 Question Paper

NSEC 2017 Question Paper

NSEC 2017 Question Paper

NSEC 2016 Question Paper

NSEC 2016 Question Paper

NSEC 2015 Question Paper

NSEC 2015 Question Paper

NSEB Previous Year Question Papers (PYQs)

The National Standard Examination in Biology (NSEB) tests students' knowledge of biological principles, scientific reasoning, and their ability to interpret and apply biological concepts.

Practising NSEB PYQs helps aspirants understand the types of questions asked from cell biology, genetics, physiology, ecology, evolution, and other important topics.

Download NSEB Previous Year Question Papers PDFs from the table below.

NSEB PYQs (2015–2025)

Year

PYQ PDF

NSEB 2025 Question Paper

NSEB 2025 Question Paper

NSEB 2024 Question Paper

NSEB 2024 Question Paper

NSEB 2023 Question Paper

NSEB 2023 Question Paper

NSEB 2022 Question Paper

NSEB 2022 Question Paper

NSEB 2021 Question Paper

NSEB 2021 Question Paper

NSEB 2020 Question Paper

NSEB 2020 Question Paper

NSEB 2019 Question Paper

NSEB 2019 Question Paper

NSEB 2018 Question Paper

NSEB 2018 Question Paper

NSEB 2017 Question Paper

NSEB 2017 Question Paper

NSEB 2016 Question Paper

NSEB 2016 Question Paper

NSEB 2015 Question Paper

NSEB 2015 Question Paper

NSEA Previous Year Question Papers (PYQs)

The National Standard Examination in Astronomy (NSEA) evaluates students' understanding of Physics, Mathematics, and fundamental astronomical concepts. The examination requires strong analytical reasoning and the ability to apply scientific principles to astronomy-related problems.

The PDFs for NSEA PYQs are available below:

NSEA PYQs (2015–2025)

Year

PYQ PDF

NSEA 2025 Question Paper

NSEA 2025 Question Paper

NSEA 2024 Question Paper

NSEA 2024 Question Paper

NSEA 2023 Question Paper

NSEA 2023 Question Paper

NSEA 2022 Question Paper

NSEA 2022 Question Paper

NSEA 2021 Question Paper

NSEA 2021 Question Paper

NSEA 2020 Question Paper

NSEA 2020 Question Paper

NSEA 2019 Question Paper

NSEA 2019 Question Paper

NSEA 2018 Question Paper

NSEA 2018 Question Paper

NSEA 2017 Question Paper

NSEA 2017 Question Paper

NSEA 2016 Question Paper

NSEA 2016 Question Paper

NSEA 2015 Question Paper

NSEA 2015 Question Paper

Conclusion

Practising NSE Previous Year Question Papers (PYQs) is an important part of preparing for the National Standard Examinations. Regular practice helps students understand the exam pattern, strengthen their conceptual knowledge, improve accuracy, and develop effective time-management strategies.

Students preparing for NSEP, NSEC, NSEB, NSEA, and NSEJS should solve previous years' question papers, review their mistakes, and revise weaker topics consistently. Download the available NSE PYQ PDFs from this article and take a step towards achieving your Science Olympiad goals.