Class 4 NSO Master Guide

Prepare for SOF National Science Olympiad (NSO) – Class 4

Advance your preparation for the SOF National Science Olympiad (NSO) with our structured Class 4 practice platform. This Class 4 NSO Master Guide provides completely free access to full-length mock tests, chapter-wise tests, HOT questions for the Achievers Section, and sample papers aligned with the latest SOF syllabus and exam pattern.

All practice content is available through our online dashboard. Register or log in to begin practising instantly.

What This Master Guide Includes

Online NSO Mock Tests (Full-Length Practice)

Designed strictly as per the official NSO exam structure:

• 35 Questions
• 40 Marks
• 1 Hour Duration
• Logical Reasoning + Science + Achievers Section

Timed mock tests help students improve accuracy, speed, and exam confidence by simulating the real test environment.

Chapter-Wise Science Tests (Section 2)

Comprehensive topic-wise coverage as per the Class 4 NSO syllabus:

• Plants
• Animals
• Food and Digestion
• Human Needs
• Matter and Materials
• Force, Work and Energy
• Our Environment
• Earth and Universe

Each chapter includes multiple practice sets and revision worksheets to strengthen conceptual clarity.

Logical Reasoning Practice (Section 1)

Focused preparation covering:

• Patterns
• Alphabet Test
• Coding-Decoding
• Ranking Test
• Mirror Images
• Geometrical Shapes and Solids
• Embedded Figures
• Direction Sense Test
• Possible Combinations
• Analogy and Classification
• Clock and Calendar

Structured reasoning practice helps develop analytical thinking and problem-solving skills.

HOT Questions for the Achievers Section (Section 3)

Higher Order Thinking (HOT) questions based on the Science syllabus to help students confidently attempt 2-mark Achievers questions and improve their overall ranking.

NSO Sample Papers and Previous Year Question Papers

Downloadable PDF sample papers designed to reflect the latest NSO exam format and difficulty level.

NSO Syllabus for Class 4

Section 1 – Logical Reasoning

Patterns, Alphabet Test, Coding-Decoding, Ranking Test, Mirror Images, Geometrical Shapes and Solids, Embedded Figures, Direction Sense Test, Possible Combinations, Analogy and Classification, Clock and Calendar.

Section 2 – Science

Plants, Animals, Food and Digestion, Human Needs, Matter and Materials, Force, Work and Energy, Our Environment, Earth and Universe.

Section 3 – Achievers Section

Higher Order Thinking Questions based on Section 2 syllabus.

SOF NSO Exam Pattern – Class 4

Section	No. of Questions	Marks per Question	Total Marks
Logical Reasoning	5	1	5
Science	25	1	25
Achievers Section	5	2	10
Grand Total	35		40

Total Questions: 35
Time: 1 Hour

All mock tests strictly follow this pattern.

Why Choose Olympiadtester?

Established in 2014, Olympiadtester is one of the earliest dedicated Olympiad preparation platforms. Students trained on the platform have consistently secured international ranks and medals in the SOF National Science Olympiad.

All content is free, regularly updated, and aligned with the latest syllabus.

How to Start

1. Click “Take tests”
2. Register or log in
3. Access the complete Class 4 NSO dashboard
4. Attempt unlimited mock tests and practice papers

All tests are completely free.