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 131 - 135 of 351
Medium
. SOF National Science Olympiad (NSO/ISO) · Set B · 2026 . Sample
Q. 381
Balance the equation: __N2 + __H2 → __NH3
Hard
. SOF National Science Olympiad (NSO/ISO) · Set B · 2024 . Sample
Q. 397
What colour does red litmus paper turn when dipped in a basic solution?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 413
As we move from left to right across a period in the periodic table, how does atomic size generally change?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2025 . Sample
Q. 429
What is the respiratory pigment present in human red blood cells that carries oxygen?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set D · 2026 . Sample
Q. 445
Which part of the human brain is responsible for maintaining posture and balance?