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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In biological classification, what term describes the broadest, most inclusive major category into which living organisms are traditionally grouped?
AKingdom
BGenus
CSpecies
DFamily only
Sir Isaac Newton famously used a glass prism in his experiments to demonstrate what key discovery about the nature of light?
AThat light cannot pass through any solid transparent material
BThat light always travels in a perfectly straight line with no exceptions
CThat ordinary white light is actually composed of a full range of different colors
DThat light travels slower than sound in a vacuum
Trans fats, a type of fat linked to an increased risk of heart disease, are typically formed through which industrial process?
ADistillation
BFermentation
CHydrogenation of liquid vegetable oils
DElectrolysis
Argon, an inert noble gas, is commonly used to fill certain types of incandescent light bulbs for what practical purpose?
ATo make the glass bulb itself unbreakable
BTo help prevent the hot filament inside from oxidizing and burning out prematurely
CTo make the bulb glow a bright green color
DTo significantly increase the bulb's overall brightness
The traditional five-kingdom system of biological classification generally includes Animalia, Plantae, Fungi, Protista, and which other kingdom?
AMineral kingdom
BVirus kingdom
CMonera, comprising bacteria and similar simple organisms
DInsect kingdom
Which scientist is widely credited as a pioneer of electromagnetic induction, the principle underlying how generators and transformers work?
AGregor Mendel
BMichael Faraday
CCharles Darwin
DIsaac Newton
What is the general term for the industrial process of adding hydrogen to a liquid vegetable oil to convert it into a more solid fat, such as in margarine production?
AHydrogenation
BSaponification
CDistillation
DFermentation
Nitrous oxide, sometimes informally referred to as laughing gas, has historically been used in medical and dental settings for what purpose?
AAs a mild anesthetic to help reduce pain and anxiety
BAs a blood pressure medication
CAs a primary treatment for infections
DAs a strong antibiotic
Which kingdom of living organisms includes yeasts, molds, and mushrooms, many of which play an important role in decomposing organic matter?
APlantae
BAnimalia
CFungi
DProtista only
Which inventor and engineer is most closely associated with significantly improving the efficiency of the steam engine, with the unit of power ultimately named in his honor?
ANikola Tesla
BThomas Edison
CJames Watt
DAlexander Graham Bell