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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High sugar content is traditionally used to help preserve foods like jams and fruit preserves primarily because of what effect?
AIt adds artificial coloring
BIt prevents the food from ever needing to be refrigerated
CIt permanently sterilizes the container it's stored in
DIt similarly draws out moisture, creating conditions that inhibit microbial growth
Magnesium metal is notable for burning with what distinctive characteristic, a property that leads to its use in flares and some fireworks?
AA flame that only burns underwater
BAn extremely bright white flame
CA very dim, barely visible flame
DA flame that produces no light at all
In binomial nomenclature, the standardized two-part scientific naming system for species, what two components typically make up an organism’s official scientific name?
AIts country of origin and its size
BIts discoverer's name and the discovery date
CIts genus and its specific species name
DIts common name and its color
For a simple pendulum swinging with a small angle, what factor primarily determines the time it takes to complete one full swing, known as its period?
AThe mass of the pendulum's bob
BThe color of the pendulum's string
CThe length of the pendulum
DThe exact material the bob is made from
Pickling, a traditional method used to preserve vegetables and other foods, typically relies on immersing food in what type of solution?
AA solution of liquid nitrogen
BA solution of pure sugar only
CPlain distilled water only
DAn acidic solution, commonly vinegar-based
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