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Main Subjects MCQs With Answers
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Antioxidants, found naturally in many foods and sometimes added as preservatives, help protect against which type of chemical process?
AFermentation
BExcessive hydration
COxidation
DCrystallization
A stroke occurs when there is a sudden interruption to the blood supply of which organ?
AThe liver
BThe kidneys
CThe lungs
DThe brain
What is a primary function of the gallbladder, a small organ located near the liver?
AProducing insulin
BStoring and concentrating bile produced by the liver
CFiltering the blood
DProducing red blood cells
What is the process called by which species gradually change over successive generations, with traits better suited to survival becoming more common over time?
AEvolution through natural selection
BFermentation
CPhotosynthesis
DHomeostasis
Asthma is a chronic medical condition primarily affecting which part of the body?
AThe skin
BThe airways of the lungs
CThe joints
DThe kidneys
Bile, a digestive fluid produced by the liver and stored in the gallbladder, primarily helps the body digest which type of nutrient?
ACarbohydrates
BVitamins directly
CProteins primarily
DFats
What term describes a community of living organisms interacting with each other and with their surrounding physical environment?
ASpecies
BPopulation
CEcosystem
DHabitat only
Arthritis is a broad term referring to inflammation affecting which part of the body?
AThe liver
BThe joints
CThe lungs
DThe eyes
What term describes the phenomenon in which a sufficiently large proportion of a population being immune to a disease helps protect even those who are not immune, by limiting its overall spread?
AHerd immunity
BAutoimmune response
CCross-reactivity
DPassive immunity
What term describes the sequence showing how energy and nutrients pass from one organism to another as one organism is eaten by the next?
ANitrogen fixation
BFood chain
COsmosis
DWater cycle