Hard SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · . Sample Which organ stores bile before it is released into the small intestine? A Pancreas B Gallbladder C Kidney D Spleen Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
An atom of Potassium has atomic number 19 and mass number 39. How many neutrons does it contain? SOF National Science Olympiad (NSO/ISO) . Easy · Chemistry · 2026 See Explanation
What is the junction between two neurons called, across which a nerve impulse passes chemically? SOF National Science Olympiad (NSO/ISO) . Easy · Biology · 2026 See Explanation
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An electrical appliance operates at 100 V and draws a current of 3 A. Find the power consumed. SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2025 See Explanation
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