Medium SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · . Sample What is the main function of red blood cells? A Fight germs B Carry oxygen C Digest food D Make hormones Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
A body starts with an initial velocity of 10 m/s and accelerates uniformly at 5 m/s² for 4 s. Find its final velocity. SOF National Science Olympiad (NSO/ISO) . Easy · Physics · 2025 See Explanation
A machine does 500 J of work in 10 seconds. Find its power. SOF National Science Olympiad (NSO/ISO) . Easy · Physics · 2026 See Explanation
Baking soda (sodium hydrogen carbonate) is used in antacids and baking. What kind of salt is it? SOF National Science Olympiad (NSO/ISO) . Easy · Chemistry · 2024 See Explanation
According to Darwin's theory, the process by which organisms best suited to their environment survive and reproduce is called what? SOF National Science Olympiad (NSO/ISO) . Easy · Biology · 2026 See Explanation
What happens to the weight of an object as it moves from the Earth's surface towards its centre? SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2024 See Explanation