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Main Subjects MCQs With Answers
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Which blood component is primarily responsible for clotting to stop bleeding?
APlatelets
BRed blood cells
CPlasma
DWhite blood cells
Which vitamin plays a key role in helping blood clot properly?
AVitamin A
BVitamin E
CVitamin K
DVitamin C
Which mineral is most essential for maintaining strong bones and teeth?
AIron
BZinc
CPotassium
DCalcium
Which part of the human brain is primarily responsible for coordinating balance and muscle movement?
AMedulla oblongata
BHypothalamus
CCerebrum
DCerebellum
What type of cell forms the basic building block of the nervous system and transmits signals?
AOsteocyte
BNeuron
CRed blood cell
DPlatelet
The common cold is typically caused by which type of pathogen?
AFungus
BParasite
CVirus
DBacteria
What is the medical term for chronically high blood pressure?
AHypotension
BHypertension
CTachycardia
DBradycardia
Dengue fever is primarily spread by which type of mosquito?
AHousefly
BAedes mosquito
CCulex mosquito
DAnopheles mosquito
What is the process by which the body breaks down food into usable energy and nutrients called?
ACirculation
BDigestion
CExcretion
DRespiration
What is the primary function of a magnetic compass?
ATo measure distance traveled
BTo measure air temperature
CTo measure travel speed
DTo indicate direction using Earth's magnetic field