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 →
Which instrument is used to directly measure the electric current flowing through a circuit?
AThermometer
BAmmeter
CVoltmeter
DBarometer
A periscope, historically used in submarines, allows a viewer to see over or around obstacles primarily using which optical principle?
ADiffraction through a narrow slit
BReflection of light off angled mirrors or prisms
CAbsorption of light by colored filters
DRefraction through a single lens
What is the basic function of a telescope, a device widely used in astronomy?
ATo measure the distance to nearby objects only
BTo convert sound waves into visible light
CTo gather light and magnify distant objects, making them appear closer and more detailed
DTo magnify very small, nearby objects
What is the basic function of a microscope, a device widely used in laboratories and scientific research?
ATo detect radio waves
BTo magnify very small objects that are otherwise difficult or impossible to see with the naked eye
CTo measure atmospheric pressure
DTo magnify distant objects, such as stars
What is the basic function of a traditional camera, whether film-based or digital?
ATo generate its own light source only
BTo capture and record an image of a scene using a lens and a light-sensitive surface
CTo measure the temperature of an object being photographed
DTo magnify distant sounds
What is the primary function of a glass prism in basic optics experiments?
ATo block ultraviolet radiation only
BTo split white light into its component colors through refraction
CTo absorb all visible light completely
DTo generate new colors of light that don't already exist in sunlight
In optics, what is the key difference between a real image and a virtual image?
AThere is no meaningful difference between the two types of images
BA real image can be projected onto a screen, while a virtual image cannot
CA virtual image can be projected onto a screen, while a real image cannot
DReal images only occur in mirrors, while virtual images only occur in lenses
What term describes a symbiotic relationship between two different species in which one organism benefits while the other is neither significantly helped nor harmed?
AMutualism
BParasitism
CPredation only
DCommensalism
What term describes the complex, interconnected network formed by multiple overlapping food chains within a given ecosystem?
AFood chain
BNitrogen cycle
CFood web
DWater cycle only
What term describes the process by which certain toxic substances become increasingly concentrated in the tissues of organisms at progressively higher levels of a food chain?
ABiomagnification
BFermentation only
CPhotosynthesis only
DBiodegradation