Everyday Science
Everyday Science MCQs With Answers
696 Everyday Science MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
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What term describes the body’s ability to maintain a relatively stable and balanced internal environment despite changes occurring in its external surroundings?
AOsmosis
BMetabolism
CHomeostasis
DPhotosynthesis only
What is the primary function of tendons, the strong, fibrous connective tissue found throughout the body?
AConnecting muscle to bone
BConnecting bone directly to bone
CStoring digestive enzymes
DProducing new blood cells
What term describes the overall sum of chemical processes occurring within the body that convert food into usable energy and support essential life functions?
ADigestion only
BCirculation only
CHomeostasis
DMetabolism
What term describes sound waves with a frequency lower than the typical lower limit of human hearing, generally below about 20 hertz?
AUltrasonic sound
BResonant sound
CInfrasound
DWhite noise only
Which astronomer is credited with formulating the laws of planetary motion, describing how planets move in elliptical orbits around the sun?
AJohannes Kepler
BGalileo Galilei
CIsaac Newton
DNicolaus Copernicus
Activated charcoal, sometimes used in certain medical and filtration contexts, is particularly valued for its ability to do what?
AConduct heat exceptionally well
BGenerate electricity
CAbsorb and trap certain toxins and impurities due to its highly porous structure
DAdd sweetness to food or drinks
Gypsum, a naturally occurring mineral primarily composed of calcium sulfate, is commonly processed to produce which widely used material?
ANatural rubber
BTable salt
CBaking soda
DPlaster of Paris
What is the SI base unit used to measure time?
ADay
BHour
CSecond
DMinute
A stethoscope, a common medical instrument, is primarily designed to do what?
ATake internal images of bones
BMeasure body temperature
CMeasure blood pressure directly
DAmplify and allow a doctor to listen to internal body sounds, such as the heartbeat
Silver nitrate, a chemical compound with a notable historical role, was widely used in which of the following applications before more modern alternatives became common?
AEarly photographic processes and as a topical antiseptic
BAs fuel for early automobiles
CAs a primary ingredient in glass manufacturing
DAs a common food sweetener