NSO Class 10 mock test (set 1) for 2026: 60 science questions in 60 minutes, following the SOF National Science Olympiad pattern. Timed practice with instant score, detailed solutions, rank and percentile.
| Section | Questions |
|---|---|
| Logical Reasoning | 15 |
| Physics | 12 |
| Chemistry | 12 |
| Biology | 11 |
| Achievers Section | 10 |
| Total (60 minutes) | 60 |
A preview of 3 of the 60 questions. Answers are revealed when you take the exam.
Sample 1, Logical Reasoning
A ray of light traveling in air enters a medium of refractive index 1.5. If the speed of light in vacuum/air is 3 x 10^8 m/s, what is the speed of light in this medium?
Sample 2, Physics
An object is placed at a distance of 20 cm in front of a concave mirror of focal length 10 cm. What will be the nature and position of the image formed?
Sample 3, Chemistry
Which of the following gives the correct increasing order of acidic strength of the given compounds?
See the answers and take all 60 questions under real exam timing.
Your first full exam is free. Already registered? Sign in
Uses 1 credit from your account
60 questions in 60 minutes, timed on our server like the real olympiad.
No. Each correct answer earns +4 and wrong answers carry no penalty.
Create a free account — it includes 1 free exam credit. Each exam uses 1 credit, and credit packs are on the pricing page. Credits never expire.
Immediately after you submit: your score, all-India rank, percentile and a full answer review with explanations.