NSO Syllabus for Class 4

The National Science Olympiad (NSO) exam is a prestigious science competition organized by the Science Olympiad Foundation (SOF) for students from Class 1 to 12. Here is a detailed overview of the NSO Class 4 exam pattern, syllabus, and preparation tips.


Exam Pattern and Syllabus of Class 4 NSO

The NSO Class 4 exam consists of three sections with a total of 40 marks. The duration of the exam is 60 minutes, and the exam is conducted offline.

Section Number of questions Marks per question Total marks
Section 1 5 1 5
Section 2 25 1 25
Section 3 5 2 10
Total 35 40


Section 1 - Logical Reasoning: This section has 5 questions across the following topics, with a total of 5 marks.

Topic 1 - Patterns

Topic 2 - Alphabet Test

Topic 3 - Geometrical Shapes and solids

Topic 4 - Mirror Images

Topic 5 - Direction Sense Test

Topic 6 - Ranking Test

Topic 7 - Embedded Figures

Topic 8 - Logical Sequence of Words

Topic 9 - Days and dates

Topic 10 - Coding-Decoding.

The questions are designed to test the students' logical and analytical skills, including their ability to think critically, identify patterns, and solve problems.

Section 2 - Science: The Science section has 25 questions across the following chapters:

Chapter 1 - Animals

Chapter 2 - Food and digestion

Chapter 3 - Plants

Chapter 4 - Human needs

Chapter 5 - Matter and Materials

Chapter 6 - Earth and Universe

Chapter 7 - Our environment

Chapter 8 - Force, Work and Energy.

This section carries a total of 25 marks, and the questions are designed to test the students' understanding and knowledge of fundamental scientific concepts and principles.

Section 3 - Achiever's Section: The Achiever's section has 5 higher order thinking (HOT) questions with a total of 10 marks based on the chapters covered in section 2.

These questions are designed to test the students' ability to apply their knowledge and skills to solve complex problems and think creatively.

Preparation Tips: To prepare for the NSO Class 4 exam, it is essential to go through the syllabus thoroughly and practice with the help of sample papers, mock tests, and previous year papers prepared by experts of Olympiadtester.

Students should focus on developing a strong foundation in science and mathematics, as the exam tests their conceptual understanding and application of the same. Additionally, students should improve their logical and analytical skills by solving puzzles, brain teasers, and other reasoning questions.



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