Main Subjects
Main Subjects MCQs With Answers
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Which gas is primarily used in light bulbs to extend filament life?
ANitrogen
BNeon
CArgon
DOxygen
Who founded the ‘Red Cross’ movement?
AWinston Churchill
BClara Barton
CFlorence Nightingale
DHenry Dunant
Which is the world’s fastest bird?
ASwift
BGolden Eagle
CHummingbird
DPeregrine Falcon
Which element is essential for life but toxic in excess?
AIron
BCopper
CNitrogen
DOxygen
Which is the deepest ocean?
AArctic Ocean
BPacific Ocean
CAtlantic Ocean
DIndian Ocean
Which vitamin is synthesized by the skin in sunlight?
AVitamin C
BVitamin E
CVitamin D
DVitamin A
Which is the most common element in the universe?
AHelium
BOxygen
CCarbon
DHydrogen
Which metal is most abundant in the Earth’s crust?
AIron
BMagnesium
CAluminum
DCalcium
Which is the largest country in South America?
ABrazil
BPeru
CColombia
DArgentina