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 586 - 590 of 1956
Medium
. SOF National Science Olympiad (NSO/ISO) · Set B · 2024 . Sample
Q. 430
What is the main nitrogenous waste product excreted by humans?
Hard
. SOF National Science Olympiad (NSO/ISO) · Set C · 2026 . Sample
Q. 431
What is the process by which plants absorb water from the soil through root hairs called?
Easy
. SOF National Science Olympiad (NSO/ISO) · Set B · 2025 . Sample
Q. 432
Which chamber of the human heart receives deoxygenated blood from the body?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set A · 2024 . Sample
Q. 433
Which enzyme present in saliva begins the digestion of starch in the mouth?
Medium
. SOF National Science Olympiad (NSO/ISO) · Set C · 2025 . Sample
Q. 434
What is the term for the removal of harmful metabolic waste products from the body called?