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 →
Nitric acid, a strong and highly corrosive acid, is widely used industrially in the production of which common agricultural product?
ATable salt
BVegetable oil
CSugar
DNitrogen-based fertilizers
Bats and dolphins are well known for using which biological navigation technique, involving emitting sound and interpreting the returning echoes?
AEcholocation
BOsmoregulation only
CPhotosynthesis
DMagnetoreception
The Wright brothers are widely credited with achieving what significant historical milestone in 1903?
AThe invention of the first practical automobile
BThe first successful controlled, powered flight of an airplane
CThe invention of the modern parachute
DThe first successful orbit of Earth by a spacecraft
Petroleum jelly, a common ingredient in skin moisturizers and lip balms, is derived from what source?
AAnimal fat
BSeawater
CPlant seeds
DPetroleum, or crude oil, processing
Sulfur, a yellow, non-metallic element, is a key raw material used in the industrial production of which widely used strong acid?
AAcetic acid
BNitric acid
CHydrochloric acid
DSulfuric acid
What term describes sound waves with a frequency higher than the upper limit of typical human hearing, generally above about 20,000 hertz?
AUltrasonic sound
BResonant sound
CInfrasound
DAmplified sound only
Galileo Galilei made significant contributions to astronomy largely by improving which existing optical instrument and applying it to observe the night sky?
AThe camera
BThe telescope
CThe microscope
DThe periscope
Paraffin wax, a common material used in making candles, is primarily derived from which source?
ABeeswax exclusively
BCoral reefs
CPlant-based oils exclusively
DPetroleum processing
Unlike the ethanol found in alcoholic beverages, methanol, a similar but chemically distinct type of alcohol, is notably dangerous for what reason if accidentally consumed?
AIt has an extremely pleasant, sweet taste that causes overconsumption
BIt is completely harmless to consume in any quantity
CIt causes only very mild, brief drowsiness with no other effects
DIt is highly toxic and can cause serious health effects, including blindness or death, even in relatively small amounts
Which instrument is specifically designed to detect and measure very small electric currents?
AOhmmeter
BGalvanometer
CVoltmeter
DAmmeter