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 →
What is the primary function of the umbilical cord during pregnancy?
AIt connects the developing fetus to the placenta, providing nutrients and oxygen
BIt regulates the mother's heart rate
CIt produces breast milk
DIt produces the baby's blood cells exclusively
What does BMI, or Body Mass Index, use to provide a general estimate of whether a person’s weight falls within a healthy range?
AAge and eye color
BBlood pressure alone
CMuscle strength testing
DA person's weight and height
What is the primary function of the placenta, a temporary organ that develops during pregnancy?
AIt produces the mother's eggs
BIt regulates the baby's future eye color
CIt replaces the need for an umbilical cord
DIt exchanges nutrients, oxygen, and waste products between the mother and the developing fetus
Why does water boil at a lower temperature at high-altitude locations, such as near the summit of a tall mountain, compared to sea level?
ABecause atmospheric pressure is lower at higher altitudes
BBecause mountain water contains more dissolved minerals
CBecause mountain air is significantly colder overall
DBecause gravity is weaker at higher altitudes
On the periodic table, what are the vertical columns and horizontal rows respectively called?
ABoth rows and columns are simply called groups
BBoth rows and columns are simply called periods
CRows are called groups, and columns are called periods
DColumns are called groups, and rows are called periods
Beyond its common use as a food ingredient for baking, sodium bicarbonate, or baking soda, can also be used for what practical safety purpose?
AAs fuel for vehicles
BAs a simple agent to help smother small kitchen grease or electrical fires
CAs a strong industrial acid
DAs a substitute for drinking water
Materials like rubber and plastic, which do not allow electric current to pass through them easily, are known as what?
AInsulators
BConductors
CSuperconductors
DSemiconductors
In chemistry, what term describes the standard unit used to measure the amount of a substance, based on a specific, extremely large number of particles?
ALiter
BGram
CMole
DMolarity only
Vitamin C is chemically known by what specific name?
AAscorbic acid
BCitric acid
CAcetic acid
DFolic acid
What term describes a material, such as silicon, whose electrical conductivity falls between that of a typical conductor and a typical insulator, making it essential for modern electronics?
ADielectric only
BSuperconductor
CInsulator
DSemiconductor