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 →
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
What term describes a substance, such as lecithin, that helps combine two liquids that would not normally mix well, like oil and water, into a stable, uniform mixture?
ASolvent
BEmulsifier
CPreservative only
DCatalyst
Formic acid, a chemical compound naturally found in the stings of ants and certain other insects, is primarily responsible for what effect on the skin?
AA distinct sweet taste
BA pleasant cooling sensation
CThe burning, stinging sensation associated with certain insect stings and bites
DImmediate numbness with no other sensation
Algae, a diverse group of typically aquatic organisms ranging from single-celled forms to large seaweeds, are notable for their ability to do what?
ADigest other organisms directly
BMove rapidly through water using specialized limbs
CSurvive exclusively in extremely dry desert environments
DPerform photosynthesis, producing their own food using light energy
Which inventor is most widely credited with inventing and patenting the telephone in the late nineteenth century?
AGuglielmo Marconi
BAlexander Graham Bell
CJames Watt
DThomas Edison
MSG, or monosodium glutamate, is a chemical compound commonly added to food for what specific purpose?
ATo sweeten food
BTo enhance and intensify savory flavor
CTo act as a coloring agent
DTo thicken liquids