Everyday Science
Everyday Science MCQs With Answers
741 Everyday Science MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
What is the SI unit used to measure pressure, including atmospheric and fluid pressure?
AWatt
BPascal
CJoule
DNewton
Which instrument, commonly found on a vehicle’s dashboard, measures the vehicle’s current speed?
AAltimeter
BSpeedometer
CBarometer
DOdometer
Which instrument, commonly found on a vehicle’s dashboard, measures the total distance a vehicle has traveled?
AThermometer
BTachometer
CSpeedometer
DOdometer
Which scientific instrument is specifically designed to detect and record the ground motion caused by earthquakes?
AAnemometer
BBarometer
CSeismograph
DHygrometer
The Richter scale is primarily used to measure and express what characteristic of an earthquake?
AIts exact geographic location
BThe number of casualties it causes
CIts magnitude, or the amount of energy released
DThe resulting economic damage in monetary terms
What is the primary function of a thermostat found in devices like air conditioners and heaters?
ATo generate electricity
BTo measure humidity levels
CTo automatically regulate and maintain a set temperature
DTo purify the surrounding air
The photoelectric effect, in which light striking certain materials causes them to emit electrons, forms the basic scientific principle behind which everyday technology?
ASolar cells, or photovoltaic panels
BFire extinguishers
CRefrigerators
DVacuum flasks
What term describes the time it takes for half of a given sample of a radioactive substance to decay?
AFission point
BIsotope period
CDecay rate
DHalf-life
What term describes a species whose population has declined so significantly that it faces a high risk of becoming extinct?
AKeystone species only
BInvasive species
CDomesticated species
DEndangered species
What is the function of the epiglottis, a small flap of tissue located at the top of the windpipe?
AIt closes over the windpipe during swallowing to prevent food from entering the airway
BIt regulates heart rate
CIt filters air entering the lungs
DIt produces digestive enzymes