Main Subjects
Main Subjects MCQs With Answers
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What is considered the basic structural and functional unit of all living organisms?
ACell
BOrgan
CMolecule
DTissue
Which structure is present in plant cells but absent in animal cells?
ACell membrane
BCell wall
CNucleus
DMitochondria
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
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
What is the process by which the body breaks down food into usable energy and nutrients called?
ACirculation
BDigestion
CExcretion
DRespiration
Which organ is primarily responsible for pumping blood throughout the human body?
AHeart
BLungs
CLiver
DBrain
Who developed the first successful vaccine, protecting against smallpox?
AAlexander Fleming
BLouis Pasteur
CRobert Koch
DEdward Jenner
Dengue fever is primarily spread by which type of mosquito?
AHousefly
BAedes mosquito
CCulex mosquito
DAnopheles mosquito