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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Which of the following is a defining characteristic generally shared by insects, distinguishing them from many other types of arthropods?
AThey typically have six legs and three main body segments
BThey typically have eight legs and two main body segments
CThey typically have exactly four wings and no legs
DThey typically have no legs at all
Which of the following is a defining characteristic generally shared by arachnids, such as spiders, distinguishing them from insects?
AThey typically have eight legs and two main body segments
BThey typically have six legs and three body segments, just like insects
CThey typically have no legs at all
DThey always have colorful wings
Geothermal energy generation primarily relies on harnessing energy from what source?
AOcean tides
BSunlight reflected off clouds
CHeat naturally present within the Earth
DChemical reactions in seawater
Similar to the acid classification, what is the key difference between a strong base and a weak base in chemistry?
AThere is no meaningful chemical difference between the two
BA weak base fully ionizes in water, while a strong base only partially ionizes
CA strong base fully ionizes in water, while a weak base only partially ionizes
DA strong base always has a lower pH than a weak base
Coal, oil, and natural gas are collectively classified as what type of energy resource, since they formed from the remains of ancient organisms over millions of years?
ARenewable energy sources
BFossil fuels
CNuclear fuels
DGeothermal resources
Urea, a nitrogen-containing compound produced by the liver and excreted in urine, is also widely used commercially for what other purpose?
AAs a fuel additive for vehicles
BAs a nitrogen-rich agricultural fertilizer
CAs a common food sweetener
DAs a common building material
Which simple machine consists of a larger wheel rigidly attached to a smaller rod, or axle, so that both rotate together, such as in a doorknob or a car’s steering wheel?
AWedge
BLever
CPulley
DWheel and axle
Starch, a carbohydrate commonly found in foods like potatoes and rice, primarily serves what biological function within plants?
AProviding structural rigidity to plant cell walls
BTransporting water throughout the plant
CAbsorbing sunlight for photosynthesis
DServing as the plant's main form of stored energy
What term describes the phenomenon in which two or more overlapping waves combine to produce a resulting wave with either a larger or smaller amplitude, depending on how their patterns align?
ARefraction
BPolarization
CAbsorption only
DInterference