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Main Subjects MCQs With Answers
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What is the primary role of the human respiratory system?
AFiltering the blood
BProducing hormones
CExchanging oxygen and carbon dioxide
DDigesting food
Which type of microorganism causes tuberculosis, commonly known as TB?
AA fungus
BA virus
CA parasite
DA bacterium
Which organ system includes the brain, spinal cord, and nerves?
AEndocrine system
BCirculatory system
CSkeletal system
DNervous system
Antibiotics are effective at treating infections caused by which type of pathogen?
ABacteria
BBoth viruses and bacteria equally
CPrions only
DViruses
What is the term for the process by which plants lose water vapor through small pores in their leaves?
APhotosynthesis
BRespiration
CTranspiration
DGermination
DNA, the molecule that carries genetic information, is primarily found in which part of a human cell?
ACell membrane
BNucleus
CMitochondria only
DCytoplasm
Which type of human teeth are primarily used for tearing food?
APremolars
BCanines
CIncisors
DMolars
In which part of a plant cell does photosynthesis mainly take place?
AChloroplast
BCell wall
CMitochondria
DNucleus
What force opposes the relative motion between two surfaces in contact?
AFriction
BTension
CMagnetism
DGravity
Diamond and graphite are both made entirely of which single element?
ACarbon
BSulfur
CIron
DSilicon