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 71 - 75 of 351
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2026 . Sample
See Explanation
Q. 391
Which substance is used in antacid tablets to relieve acidity/heartburn?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set B · 2025 . Sample
See Explanation
Q. 407
Which property allows metals to be drawn into thin wires?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set D · 2025 . Sample
See Explanation
Q. 423
Which part of the human respiratory system is the actual site of gas exchange?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set B · 2026 . Sample
See Explanation
Q. 439
Which structure controls the opening and closing of stomata in a leaf?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set B · 2025 . Sample
See Explanation
Q. 455
The sudden closing of leaves of the 'touch-me-not' (Mimosa pudica) plant upon touch is an example of which kind of movement?