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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What gas is mainly responsible for the fresh, sharp smell noticed after lightning strikes nearby?
AOzone
BMethane
CAmmonia
DHydrogen sulfide
What is the primary function of the kidneys?
ADigesting proteins
BFiltering waste products from the blood
CPumping blood around the body
DProducing insulin
Which simple machine is a rotating wheel with a grooved rim used to lift loads with a rope or cable?
ALever
BPulley
CInclined plane
DWedge
What is the common name for the compound with the chemical formula CH3COOH?
AFormic acid
BLactic acid
CCitric acid
DAcetic acid, found in vinegar
Which gas is commonly used to fill party balloons so that they float in the air?
ANitrogen
BCarbon dioxide
CHelium
DOxygen
Which organ produces insulin to help regulate blood sugar levels?
ASpleen
BPancreas
CKidney
DLiver
Which instrument is used to measure wind speed?
AHygrometer
BAnemometer
CThermometer
DBarometer
Sound waves are unable to travel through which of the following?
AAir
BSteel
CA vacuum
DWater
What is the approximate speed of sound in air at room temperature?
A3,430 meters per second
B34 meters per second
C34,300 meters per second
D343 meters per second
What is the approximate speed of light in a vacuum?
A300,000 km per second
B300,000 km per hour
C3,000 km per second
D30,000 km per second