Sample 1, Logical Reasoning
Which of the following materials is translucent?
- A. Clear glass
- B. Butter paper
- C. Cardboard
- D. Iron sheet
NSO Class 4
NEW
NSO Class 4 Mock Test 2026 – Set 3
NSO Class 4 mock test (set 3) for 2026: 40 science questions in 60 minutes, following the SOF National Science Olympiad pattern. Timed practice with instant score, detailed solutions, rank and percentile.
Exam pattern
| Section | Questions |
|---|---|
| Logical Reasoning | 10 |
| Physics | 9 |
| Chemistry | 9 |
| Biology | 7 |
| Achievers Section | 5 |
| Total (60 minutes) | 40 |
Sample questions from this exam
A preview of 3 of the 40 questions. Answers are revealed when you take the exam.
Sample 2, Physics
Which simple machine consists of a grooved wheel and a rope used to lift heavy loads, like pulling water out of a well?
- A. Lever
- B. Pulley
- C. Inclined plane
- D. Screw
Sample 3, Chemistry
What state of matter has a fixed volume but changes its shape depending on the container it is put into?
- A. Solid
- B. Liquid
- C. Gas
- D. Plasma
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What the NSO Class 4 paper covers
PhysicsChemistryBiologyEnvironmental ScienceLogical ReasoningScientific Reasoning
Frequently asked
How long is this mock exam?
40 questions in 60 minutes, timed on our server like the real olympiad.
Is there negative marking?
No. Each correct answer earns +4 and wrong answers carry no penalty.
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