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 →
The distinctive colors seen in many fireworks displays are primarily produced by burning what type of chemical compounds?
APure oxygen gas
BOrdinary table salt only
CLiquid nitrogen
DVarious metal salts
What is the scientific term for the branch of biology focused on classifying and systematically organizing living organisms into structured categories?
APhysiology
BTaxonomy
CGenetics
DEcology only
What term describes the phenomenon in which an object vibrates with dramatically increased amplitude when it is driven at its own natural frequency?
ADiffusion
BPolarization only
CResonance
DRefraction
Vitamin E, an essential nutrient found in foods like nuts and vegetable oils, is well known for functioning primarily as what type of substance within the body?
AAn antioxidant
BA digestive enzyme
CA strong acid
DA metal catalyst
Neon, a noble gas, is well known for producing what distinctive effect when electrified inside illuminated signs?
AA dim blue glow
BComplete darkness
CA bright white flash only
DA distinctive orange-red glow
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