Hard SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · 2015 . Sample Practice variant 4: Which authority issues Aadhaar numbers in India? A ASI B CBSE C UIDAI D RBI Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
Which tissue carries water upward in plants? SOF National Science Olympiad (NSO/ISO) . Easy · Biology · 2024 See Explanation
Practice variant 2: What is the SI unit of force? SOF National Science Olympiad (NSO/ISO) . Easy · Physics · 2016 See Explanation
Practice variant 4: Which organ pumps blood throughout the human body? SOF National Science Olympiad (NSO/ISO) . Hard · Biology · 2025 See Explanation
Practice variant 4: Which mirror is commonly used as a rear-view mirror in vehicles? SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2017 See Explanation
Practice variant 3: What is the SI unit of force? SOF National Science Olympiad (NSO/ISO) . Medium · Physics · 2014 See Explanation