Medium SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · 2019 . Sample Practice variant 2: Which service is primarily responsible for India’s maritime defence? A Indian Army B Indian Air Force C Indian Navy D Postal Service 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: National Science Day in India is observed on which date? SOF National Science Olympiad (NSO/ISO) . Hard · Science · 2014 See Explanation
Practice variant 2: Which process releases energy from food in living cells? SOF National Science Olympiad (NSO/ISO) . Medium · Biology · 2019 See Explanation