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NSO Previous Year Papers – Class 1 to 10 PDFs with Answers

When you prepare for an exam, you don't want yourself behind in the race at any given point in time. In order to get the exact idea of how NSO exam paper will turn out, the best way is to go through SOF previous year papers PDF.
Exams like National Science Olympiad (NSO) always gets lot of attention from the students across the country and outside and we all acknowledge the fact that the competition gets stiffer with every passing year.


These NSO Previous Year Papers are the actual papers which have been used in the last terms. They give us a good insight of what kind of questions have been asked, what would be the difficulty level and how to manage time. You get a hands-on experience of how the paper would look like. Each NSO Paper is divided into 3 sections :
(i) Logical Reasoning
(ii) Questions based on NSO Syllabus
(iii) Achiever's section which mostly serves as the tie breaker.


Prepare confidently for the International Mathematics Olympiad (IMO) with real previous year question papers designed by SOF (Science Olympiad Foundation). At SOF Olympiad Trainer, we offer:

  • ✅ 1 Free Previous Year Paper
  • ✅ 6 Premium Solved Papers
  • ✅ Available for Classes 1 to 10
  • ✅ Includes answer keys and solutions

Why Solve IMO Previous Year Papers?

  • Understand the types of questions asked by SOF
  • Improve accuracy and time management
  • Gain confidence in tackling Olympiad-level problems
  • Identify areas that need more revision

Each paper is available in PDF format and can be downloaded, printed, or practiced online.


How To Access The NSO Previous Year's Papers?

Simply Register with us to avail free access to a NSO Previous Year Paper.

You can also purchase NSO Previous 6 Year's Papers which are part of our Learner's Package.


FREE IMO, NSO, ICSO & IEO Previous Year Papers



35 - 50
Questions Per Paper

60
Minutes

Statistics

Performance
Analysis
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NSO Previous Year's Papers are downloadable in PDF format. You can also download the PDF format of OMR Sheet for practice.
At SOF Olympiad Trainer, we provide NSO Previous Year Papers PDF of the last 6 years (1 set each) for classes 1 to 10.
These papers are given along with the answers and explanations.


NSO Previous Year Paper For Class 1

NSO Previous Year Paper For Class 2

NSO Previous Year Paper For Class 3

NSO Previous Year Paper For Class 4

NSO Previous Year Paper For Class 5

NSO Previous Year Paper For Class 6

NSO Previous Year Paper For Class 7

NSO Previous Year Paper For Class 8

NSO Previous Year Paper For Class 9

NSO Previous Year Paper For Class 10

Additional Preparatory Content

nso previous year papers
NSO Sample Papers

NSO Mock Test Papers

IMO Previous Year Papers

IEO Previous Year Papers

ICSO Previous Year Papers



Evaluate your preparation using these Previous Year Papers PDF. You can also look at other study materials on our website, such as Mock Tests, if you want to improve your mark and rank. Additionally, we offer reports and analyses that are very helpful for your planning. We advise you to purchase the appropriate content for yourself on SOF Olympiad Trainer in order to stay one step ahead and take joy in your Olympiad training.


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FAQ

"Science Olympiad Foundation is a Registered Organization popularizing competition and development of a competitive spiritamong school children. The foundation conducts the following Olympiads for Classes 1 to 10th:

  • National Science Olympiad
  • International Mathematics Olympiad
  • International English Olympiad
  • National Cyber Olympiad
  • International General Knowledge Olympiad"

"NSO, ICSO, IMO, IEO, IGKO and ISSO are Olympiads conducted by India's most prestigious Science Olympiad Foundation (SOF). They are conducted with the aim of identifying and nurturing future scientists, technologists and IT talent at the school level.

  • NSO stands for National Science Olympiad, to know more Click here.
  • ICSO stands for International Computer Science Olympiad, to know more Click here.
  • IMO stands for International Maths Olympiad, to know more Click here.
  • IEO stands for International English Olympiad, to know more Click here.
  • IGKO stands for International General Knowledge Olympiad to know more Click here. "
  • ISSO stands for International Social Studies Olympiad to know more Click here. "

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