2025 TEAS SCIENCE QUESTIONS AND
I!l I!l I!l I!l
ANSWERS I!l
Theoo"greyoomatter"ooofootheoobrainooisoolargelyoomadeooupooofoowhichooofootheoofollowing
?oo
A.ooNeuronoocelloobodiesoo
B.ooNeuronoocellooaxons
C.ooCorpusooCallosumoo(WhiteooMatter)
D.ooMeningesoo(Membrane)oo-ooans--A.ooNeuronoocelloobodies
Theoohipooisooanooexampleooofoowhichooofootheoofollowingootypeooofoojoints?oo
A.ooballooandoosocket
B.oopivot
C.oohingeoo
D.ooglidingoo-ooans--A.ooballooandoosocket
Whichooofootheoofollowingoostructureoodrainsoooxygen-
depletedoobloodoofromootheookidneys?oo
A.ooRenalooVeins
B.ooUreter
C.ooRenalooArteryoo
D.ooUrethraoo-ooans--A.ooRenalooveins
Experimentsoocannotoovalidateoohypothesis,ooonlyoofalsifyoothemoo
Theoostatementooaboveoocanoobeoorestatedooasoowhichooofootheoofollowing?oo
A.ooProvingooaoohypothesisooexemptsooitoofromoofurtherootestingoo
B.ooUntiloodisproved,ooanooexplanationooforooanooobservationooisoovalidoo
C.ooCertainooconceptsoocannotoobeoosubjectedootooodirectooexperimentation
D.ooAoohypothesisoothatoohasoonotoobeenoofalsifiedooremainsooprovisionaloo-ooans--
D.ooAoohypothesisoothatoohasoonotoobeenoofalsifiedooremainsooprovisional
Whichooofootheoofollowingoorespiratoryoostructuresooisooaffectedoobyoodiseaseoothatoodisru
ptsoogasooexchange,oosuchooasooemphysema?oo
A.ooSecondaryoobronchi
B.ooTracheaoo
C.ooAlveolioo(Whereoogasooexchangeoooccurs)
D.ooPulmonaryoobronchioo-ooans--C.ooAlveolioo(Whereoogasooexchangeoooccurs)
, Whichooofootheoofollowingooremovesoonitrogenousoowasteoofromootheoobody?oo
A.ooKidneysoo
B.ooliver
C.ooGasoobladderoo
D.oolargeoointestineoo-ooans--A.ooKidneys
Whichooofootheoofollowingoocontainsoohumansoohereditaryooinformation?
A.Chromatinoo(containsooaoohuman'soohereditaryooinformation)
B.ooATPoo
C.ooHistonesoo(proteinooprovidesoostructuraloosupportooforooaoochromosome)
D.ooPlasmidsoo(smalloocircularooDNAoomoleculeoofoundooinoobacteria)oo-ooans--
A.Chromatinoo(containsooaoohuman'soohereditaryooinformation)
WhichooofootheoofollowingoonucleotidesooisooonlyoofoundooinooRNA?
A.ooGuanineoo
B.ooUraciloo
C.ooAdenineoo
D.ooThymineoo-ooans--B.ooUracil
WhichooofootheoofollowingooisoocorrectooregardingootheoopHooscale?oo
A.ooAoosubstanceoowithoopHoo3ooisoo10xoomoreooacidicoothanooaoosubstanceoowithoopHoo4
oo
B.ooAoosubstanceoowithoopHoo3ooisoo2xoomoreooalkalineoothanooaoosubstanceoowithoopHoo
ofoo4
C.ooAoosubstanceoowithoopHoo3ooisoo10xoomoreooalkalineoothanooaoosubstanceoowithoopHo
oofoo4
D.ooAoosubstanceoowithoopHoo3ooisoo2xoomoreooacidicoothanooaoosubstanceoowithoopHooofo
o4oo-ooans--
A.ooAoosubstanceoowithoopHoo3ooisoo10xoomoreooacidicoothanooaoosubstanceoowithoopHoo4
Theoovermiformooappendixooextendsoofromootheooregionooofootheoolargeoointestineooknow
nooasoowhichooofootheoofollowing?oo
A.ooCecumoo
B.ooJejunum
C.ooRectum
D.ooIschiumoo-ooans--A.ooCecum
Whichooofootheootheoofollowingooprocessesoocausesoomostooofootheoocarbonoodioxideoofro
mootheootheoobloodootooomoveoointoootheooalveoli?oo
A.ooDiffusionoodownooaooconcentrationoogradientoo
B.ooPassiveootransportoousingoocarrierooproteinsoo
C.ooConversionootooocarbonoodioxideoo
D.ooActiveootransportoousingooenergyoo-ooans--
A.ooDiffusionoodownooaooconcentrationoogradient
I!l I!l I!l I!l
ANSWERS I!l
Theoo"greyoomatter"ooofootheoobrainooisoolargelyoomadeooupooofoowhichooofootheoofollowing
?oo
A.ooNeuronoocelloobodiesoo
B.ooNeuronoocellooaxons
C.ooCorpusooCallosumoo(WhiteooMatter)
D.ooMeningesoo(Membrane)oo-ooans--A.ooNeuronoocelloobodies
Theoohipooisooanooexampleooofoowhichooofootheoofollowingootypeooofoojoints?oo
A.ooballooandoosocket
B.oopivot
C.oohingeoo
D.ooglidingoo-ooans--A.ooballooandoosocket
Whichooofootheoofollowingoostructureoodrainsoooxygen-
depletedoobloodoofromootheookidneys?oo
A.ooRenalooVeins
B.ooUreter
C.ooRenalooArteryoo
D.ooUrethraoo-ooans--A.ooRenalooveins
Experimentsoocannotoovalidateoohypothesis,ooonlyoofalsifyoothemoo
Theoostatementooaboveoocanoobeoorestatedooasoowhichooofootheoofollowing?oo
A.ooProvingooaoohypothesisooexemptsooitoofromoofurtherootestingoo
B.ooUntiloodisproved,ooanooexplanationooforooanooobservationooisoovalidoo
C.ooCertainooconceptsoocannotoobeoosubjectedootooodirectooexperimentation
D.ooAoohypothesisoothatoohasoonotoobeenoofalsifiedooremainsooprovisionaloo-ooans--
D.ooAoohypothesisoothatoohasoonotoobeenoofalsifiedooremainsooprovisional
Whichooofootheoofollowingoorespiratoryoostructuresooisooaffectedoobyoodiseaseoothatoodisru
ptsoogasooexchange,oosuchooasooemphysema?oo
A.ooSecondaryoobronchi
B.ooTracheaoo
C.ooAlveolioo(Whereoogasooexchangeoooccurs)
D.ooPulmonaryoobronchioo-ooans--C.ooAlveolioo(Whereoogasooexchangeoooccurs)
, Whichooofootheoofollowingooremovesoonitrogenousoowasteoofromootheoobody?oo
A.ooKidneysoo
B.ooliver
C.ooGasoobladderoo
D.oolargeoointestineoo-ooans--A.ooKidneys
Whichooofootheoofollowingoocontainsoohumansoohereditaryooinformation?
A.Chromatinoo(containsooaoohuman'soohereditaryooinformation)
B.ooATPoo
C.ooHistonesoo(proteinooprovidesoostructuraloosupportooforooaoochromosome)
D.ooPlasmidsoo(smalloocircularooDNAoomoleculeoofoundooinoobacteria)oo-ooans--
A.Chromatinoo(containsooaoohuman'soohereditaryooinformation)
WhichooofootheoofollowingoonucleotidesooisooonlyoofoundooinooRNA?
A.ooGuanineoo
B.ooUraciloo
C.ooAdenineoo
D.ooThymineoo-ooans--B.ooUracil
WhichooofootheoofollowingooisoocorrectooregardingootheoopHooscale?oo
A.ooAoosubstanceoowithoopHoo3ooisoo10xoomoreooacidicoothanooaoosubstanceoowithoopHoo4
oo
B.ooAoosubstanceoowithoopHoo3ooisoo2xoomoreooalkalineoothanooaoosubstanceoowithoopHoo
ofoo4
C.ooAoosubstanceoowithoopHoo3ooisoo10xoomoreooalkalineoothanooaoosubstanceoowithoopHo
oofoo4
D.ooAoosubstanceoowithoopHoo3ooisoo2xoomoreooacidicoothanooaoosubstanceoowithoopHooofo
o4oo-ooans--
A.ooAoosubstanceoowithoopHoo3ooisoo10xoomoreooacidicoothanooaoosubstanceoowithoopHoo4
Theoovermiformooappendixooextendsoofromootheooregionooofootheoolargeoointestineooknow
nooasoowhichooofootheoofollowing?oo
A.ooCecumoo
B.ooJejunum
C.ooRectum
D.ooIschiumoo-ooans--A.ooCecum
Whichooofootheootheoofollowingooprocessesoocausesoomostooofootheoocarbonoodioxideoofro
mootheootheoobloodootooomoveoointoootheooalveoli?oo
A.ooDiffusionoodownooaooconcentrationoogradientoo
B.ooPassiveootransportoousingoocarrierooproteinsoo
C.ooConversionootooocarbonoodioxideoo
D.ooActiveootransportoousingooenergyoo-ooans--
A.ooDiffusionoodownooaooconcentrationoogradient