Main Subjects
Main Subjects MCQs With Answers
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Computer (595)
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Which gas contributes most to the greenhouse effect?
ACarbon Dioxide
BOxygen
CHelium
DNitrogen
Which is the most populous country in 2026?
ANigeria
BUnited States
CIndia
DChina
Which is the most populous country in the world?
AChina
BNigeria
CUnited States
DIndia
Which mineral is essential for bone health?
AIron
BCalcium
CSodium
DPotassium
Who is known as the ‘Father of Biology’?
AAristotle
BCharles Darwin
CLouis Pasteur
DGregor Mendel
Who painted the ceiling of the Sistine Chapel?
ARaphael
BDonatello
CMichelangelo
DLeonardo da Vinci
Which is the largest organ in the human body?
AHeart
BLiver
CSkin
DBrain
Which gas is used in electric bulbs to prevent oxidation?
AArgon
BNitrogen
CHelium
DOxygen
Which gas is responsible for the ‘greenhouse effect’?
ANitrogen
BCarbon Dioxide
CHydrogen
DOxygen