Hard SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · 2013 . Sample Practice variant 3: Teachers’ Day in India is observed on which date? A 14 November B 26 January C 5 September D 5 June Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
Which SI unit is used for electric current? SOF National Science Olympiad (NSO/ISO) . Easy · Physics · 2020 See Explanation
Which authority issues Aadhaar numbers in India? SOF National Science Olympiad (NSO/ISO) . Easy · Science · 2013 See Explanation
Practice variant 4: Sound cannot travel through which medium? SOF National Science Olympiad (NSO/ISO) . Hard · Physics · 2021 See Explanation
Practice variant 4: Which authority issues Aadhaar numbers in India? SOF National Science Olympiad (NSO/ISO) . Hard · Science · 2015 See Explanation
Practice variant 3: Which organ pumps blood throughout the human body? SOF National Science Olympiad (NSO/ISO) . Medium · Biology · 2020 See Explanation