About NSO (National Science Olympiad)

The National Science Olympiad (NSO) is a science competition for students of class 1 to class 12. It is conducted by Science Olympiad Foundation (SOF) with the aim of identifying and nurturing future scientists, technologists and IT talent at school level.
Participants of NSO are ranked on the basis of marks obtained in 1st Level. After taking the first level of the test, students can judge themselves academically at four different levels - within the school, at city level, at state level and above all at International level.

FREE IMO, NSO, NCO & IEO Previous Year Papers



35 - 50
Questions Per Paper

60
Minutes

Statistics

Performance
Analysis

Students who qualify for the 2nd level exam include:
(a) Top 5% of students class wise, who appear for the 1st level exam,
(b) State wise top 25 rank holders class wise, and
(c) Class topper from each participating school where at least 10 students from a class appear in the exam & scores 50% qualifying marks.

Students from classes 1 and 2 are not required to appear for the 2nd level exam and are ranked based on their performance in the first level exam. NSO is a single level exam.

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Additional Preparatory Content


National Science Olympiad (NSO) Level-1 Pattern

Class Section No. of Questions Marks per Question Total Marks
1 to 4 Logical Reasoning 5 1 5
Science 25 1 25
Achievers Section 5 2 10
Grand Total 35 40
5 to 10 Logical Reasoning 10 1 10
Science 35 1 35
Achievers Section 5 3 15
Grand Total 50 60
11 and 12 Physics & Chemistry 25 1 25
Achievers Section 5 3 15
Mathematics/Biology 20 1 20
Grand Total 50 60


National Science Olympiad (NSO) Level-1 Content

Class Study Material
1 to 2 NSO Sample Papers
NSO Chapterwise Test Bank with Chapter Summary and Explanation of Answers
NSO Previous Year Papers with Explanation of Answers
NSO Mock Test Papers
3 to 8 NSO Sample Papers
NSO Chapterwise Test Bank with Chapter Summary and Explanation of Answers
NSO Previous Year Papers with Explanation of Answer
NSO Mock Test Papers
NSO Level 2 Previous Year Papers
NSO Level 2 Mock Test Papers
9 to 10 NSO Sample Papers
NSO Chapterwise Test Bank with Explanation of Answers
NSO Previous Year Papers with Explanation of Answers
NSO Level 2 Previous Year Papers