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 term describes a painful sore or lesion that develops on the lining of the stomach or the upper part of the small intestine, often associated with excess acid or a specific bacterial infection?
APeptic ulcer
BGoiter
CCirrhosis only
DCataract
What is the key practical difference between a rechargeable battery and a standard disposable, or primary, battery?
AThere is no meaningful difference between the two types of batteries
BA disposable battery can be recharged repeatedly, while a rechargeable battery can only be used once
CA rechargeable battery can have its internal chemical reaction reversed and reused multiple times, while a disposable battery generally cannot
DRechargeable batteries never contain any chemical components at all
The cell membrane, the outer boundary surrounding a typical cell, is often described as being ‘selectively permeable,’ meaning what?
AIt only exists in plant cells, never in animal cells
BIt allows absolutely nothing to pass through it under any circumstances
CIt allows every possible substance to pass through freely and without restriction
DIt allows certain substances to pass through while restricting or blocking others
Dietary fiber, found in foods like whole grains, fruits, and vegetables, is generally described as what type of substance in relation to human digestion?
AA substance that the human digestive system easily and fully breaks down for energy
BA type of harmful toxin found in certain plants
CA largely indigestible plant substance that nonetheless supports healthy digestion in other important ways
DA type of naturally occurring plant-based fat
Nylon, developed in the 1930s, is historically significant for being what type of material?
AA type of naturally occurring mineral
BA type of naturally occurring metal alloy
CThe first fully synthetic fiber successfully developed and commercialized
DThe first entirely natural fiber ever used by humans
Which two scientists are most widely credited with determining the double helix structure of the DNA molecule in 1953, building significantly on earlier X-ray diffraction data?
APasteur and Fleming
BCurie and Roentgen
CWatson and Crick
DDarwin and Mendel
Magnesium, an essential mineral obtained through diet, plays an important role in supporting which of the following bodily functions?
AOnly eyesight
BOnly hair growth
CMuscle and nerve function, as well as maintaining healthy bones
DOnly tooth enamel color
Caffeine, a naturally occurring compound commonly found in coffee and tea, primarily affects the body by acting as what type of substance?
AA sedative that induces sleepiness
BA strong acid
CA stimulant that increases alertness
DA digestive enzyme
What is the basic relationship between DNA, genes, and chromosomes within a cell?
AChromosomes are small segments found within individual genes
BGenes and chromosomes are simply two different, unrelated names for the exact same structure
CDNA is organized into functional segments called genes, which are in turn packaged together into larger structures called chromosomes
DDNA is produced directly from chromosomes, rather than the other way around
Tannins, naturally occurring compounds found in tea and certain other plants, are primarily responsible for contributing what characteristic taste quality?
AA strongly salty taste
BA bitter or astringent taste
CA very sweet taste
DNo noticeable taste at all