Previous Year Questions

Practice Questions

Browse and practice real questions from previous scholarship exams. Use filters to narrow down by year, subject, or exam.

Displaying 226 - 230 of 351
Hard
. SOF National Science Olympiad (NSO/ISO) · Set C · 2026 . Sample
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Q. 363
An atom of Aluminum has atomic number 13 and mass number 27. How many protons does it contain?
Easy
. SOF National Science Olympiad (NSO/ISO) · Set C · 2026 . Sample
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Q. 379
The chemical process by which iron develops a reddish-brown coating when exposed to moist air over time is called what?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2025 . Sample
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Q. 395
What is the pH of a neutral solution such as pure water?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set B · 2026 . Sample
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Q. 411
How does metallic character generally change as we move from left to right across a period?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set B · 2026 . Sample
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Q. 427
What is the functional unit of the kidney called?