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 106 - 110 of 351
Hard
. SOF National Science Olympiad (NSO/ISO) · Set A · 2026 . Sample
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Q. 403
What is the process called by which a thin layer of zinc is deposited on iron to prevent rusting?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2026 . Sample
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Q. 419
Elements in the same group of the periodic table have the same number of what?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set D · 2024 . Sample
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Q. 435
Which gas is released as a by-product of photosynthesis?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set D · 2026 . Sample
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Q. 451
Which part of the human eye contains light-sensitive cells (rods and cones) and forms the image?
Easy
. SOF National Science Olympiad (NSO/ISO) · Set C · 2025 . Sample
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Q. 467
What is the simplest form of asexual reproduction, seen in unicellular organisms like Amoeba, where the parent cell splits into two daughter cells?