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 231 - 235 of 351
Easy
. SOF National Science Olympiad (NSO/ISO) · Set C · 2025 . Sample
Q. 424
Which blood vessels carry oxygenated blood from the heart's left ventricle to the rest of the body?
Easy
. SOF National Science Olympiad (NSO/ISO) · Set C · 2025 . Sample
Q. 440
What is the end product of anaerobic respiration in human muscle cells during vigorous exercise?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2025 . Sample
Q. 456
What is the term for reproduction that involves a single parent and produces offspring genetically identical to the parent?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2024 . Sample
Q. 472
What term is used for organs in different organisms that perform a similar function but have a different basic structure (e.g. the wings of a butterfly and a bird)?
Easy
. SOF National Science Olympiad (NSO/ISO) · Set D · 2024 . Sample
Q. 488
Which layer of the Earth's atmosphere protects living organisms from the sun's harmful ultraviolet (UV) radiation?