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 →
Bile, a digestive fluid produced by the liver and stored in the gallbladder, primarily helps the body digest which type of nutrient?
ACarbohydrates
BVitamins directly
CProteins primarily
DFats
What term describes the sequence showing how energy and nutrients pass from one organism to another as one organism is eaten by the next?
ANitrogen fixation
BFood chain
COsmosis
DWater cycle
Osteoporosis is a medical condition characterized by what change to a person’s bones?
ABones growing excessively large
BBones fusing together permanently
CBones becoming unusually flexible and rubbery
DBones becoming weak, brittle, and more prone to fracture
What term describes the phenomenon in which a sufficiently large proportion of a population being immune to a disease helps protect even those who are not immune, by limiting its overall spread?
AHerd immunity
BAutoimmune response
CCross-reactivity
DPassive immunity
In a typical food chain, which organisms are classified as producers?
AAnimals that eat both plants and animals
BPlants and other organisms that make their own food through photosynthesis
CAnimals that eat only meat
DFungi that decompose dead material
Cataracts are a common age-related eye condition involving what specific change?
AClouding of the eye's normally clear lens
BPermanent dilation of the pupil
CComplete loss of the retina
DExcessive tear production
What term describes the period of time between when a person is exposed to an infectious pathogen and when symptoms of the disease first appear?
ARecovery period
BContagious window only
CQuarantine period
DIncubation period
What term describes a chemical reaction that absorbs heat energy from its surroundings as it proceeds, such as photosynthesis?
AOxidation reaction only
BEndothermic reaction
CExothermic reaction
DCombustion reaction only
In an ecosystem, what role do decomposers, such as many fungi and bacteria, play?
AThey exclusively hunt and consume other living animals
BThey convert sunlight directly into electrical energy
CThey break down dead organic matter, recycling nutrients back into the environment
DThey produce their own food through photosynthesis
Jaundice, a condition causing yellowing of the skin and eyes, is typically linked to excess levels of which substance in the blood?
ACholesterol
BCalcium
CGlucose
DBilirubin