Prepare for the National Science Olympiad (NSO) Class 4 exam with the StudyNexa NSO Class 4 Sample Paper 2026–27, designed to help students practice Olympiad-level questions and strengthen their scientific concepts and reasoning ability.

This sample paper contains 35 questions to be solved in 1 hour, divided into Science, Achievers Section, and Logical Reasoning, helping students improve observation skills, conceptual understanding, and analytical thinking.

The questions are designed according to the Olympiad exam pattern and cover important science topics taught in Class 4.

Exam Pattern

Science – 25 Questions
Achievers Section – 5 Questions
Logical Reasoning – 5 Questions

Total Questions: 35
Exam Duration: 1 Hour

Topics Covered

Science

• Plants (photosynthesis, pollination, seed dispersal)
• Animals (classification, food chains, adaptations)
• Human Body (organ systems, teeth, nutrition)
• Matter (states and properties)
• Light and Sound
• Force and Motion
• Earth and Space

Achievers Section

Higher-order thinking questions based on science concepts.

Logical Reasoning

• Odd One Out
• Analogy
• Number Series

Bonus Included

🎁 FREE Olympiad Daily Practice Planner

You will receive:
• StudyNexa NSO Class 4 Sample Paper (PDF)
• FREE Olympiad Daily Practice Planner