TEAS TEST SCIENCE QUESTIONS AND ANSWERS

TEAS TEST SCIENCE QUESTIONS AND
ANSWERS

Andorganismdwithdchloroplastsdinditsdcellsdisdprobably.
a.dadheterotroph
b.dandautotroph
c.dandherbivore
d.dadprimarydconsumerd-dCORRECTdANSWER-
B:dOrganismsdthatdhavedchloroplastsdindtheirdcellsdcarrydondphotosynthesisdanddaredtheref
oredautotrophs.dAutotrophsdmakedtheirdowndfood.

Whatdpropertydofdwaterdallowsdsomeonedtodfilldadglassdslightlydabovedthedrimdwithoutdthed
waterdflowingdover?
a.dspecificdgravity
b.dcapillarity
c.dopacity
d.dsurfacedtensiond-dCORRECTdANSWER-
D:dWaterdmoleculesdaredpolar.dDuedtodthedfactdthatdO2ddrawsdthedelectronsdindthedmolecul
edtowardditself.

Thedspacesdbetweendneuronsdaredcalled?
a.dsynapses
b.ddendrites
c.dinter-neurons
d.dcelldgapsd-dCORRECTdANSWER-
A:dAndimpulsedtravelsddowndthedaxondofdadneurondanddreachesdthedterminus.dThere,dche
micalsdaredreleaseddindresponse,dwhichdtraveldacrossdthedsynapsedtodthednextdneuron.dTh
usdthedimpulsedisdtransmitteddtodthednextdneuron.

WhichdGroupdofdchemicalsdisdnotdnormallydfounddindmostdlivingdthings?
a.dcarbohydrates
b.dproteins
c.dsilicates
d.dnucleicdacidsd-dCORRECTdANSWER-
C:dCarbohydrates,dproteins,danddnucleicdacidsd(RNAdanddDNA)daredalldverydimportantdch
emicalsdindlivingdthings.

Thedalimentarydcanaldisdassociateddwithdthe?
a.dspinaldcord
b.ddigestivedsystem
c.durinarydtract

,d.dbirthdcanald-dCORRECTdANSWER-
B:dThedalimentarydcanaldbeginsdatdthedmouthdanddendsdatdthedanus.

Thednumerousdvillidindthedsmalldintestinedservedto?
a.dsecretedenzymesdforddigestion
b.dabsorbdwaterdfromddissolveddfoods
c.dsecretedhydrochloricdaciddtoddissolvedfood
d.dprovidedgreaterdsurfacedfordabsorptiond-dCORRECTdANSWER-
D:dThedvillidaredtinydprojectionsdindthedsmalldintestinedthatdincreasedthedtotaldsurfacedaread
ofdthedintestinedfordabsorptiondofddigesteddnutrients.

Asdlightdpassesdobliquelydfromdairdtodwater,ditdisdbent.dThisdbendingdisdcalled?
a.ddiffraction
b.dreflection
c.drefraction
d.ddispersiond-dCORRECTdANSWER-
C:dRefractiondisdthedbendingdofdlightdasditdpassesdobliquelydfromdonedmediumdtodanother.

Whichdofdthedfollowingdorganellesdisdnotdinvolveddindproteindsynthesis?
a.dribsome
b.dmitochondrion
c.droughdendoplasmicdreticulum
d.dnucleusd-dCORRECTdANSWER-
D:dThednucleusdcontainsdDNA.dThedribosomes,dlocateddondthedroughdendoplasmicdreticul
um,daredthedsitedfordproteindsynthesis.

Todbedabsorbeddbydcells,dproteinsdmustdbedchangeddto?d
a.daminodacids
b.dsucrose
c.dfattydacids
d.dglycerold-dCORRECTdANSWER-
A:dAminodacidsdaredthedenddproductsdofdproteinddigestiondanddaredsmalldenoughdtodbedab
sorbed.

Adneurondthatdtransmitsdimpulsesdfromdthedreceptorsdtodthedspinaldcorddisdcalled?
a.dmotordneuron
b.dandassociativedneuron
c.dandinterneuron
d.dadsensorydneurond-dCORRECTdANSWER-
D:dAdsensorydneurondconveysdadmessagedfromdadsensorydorgandtodthedspinaldcord,dwhich
dtransmitsdthedmessagedviadadmotordneurondtodthedeffectordmuscle.



Whichdgroupdofdorganismsdhelpdpreventdthedaccumulationdofdorganicdwastesdindnature?
a.drabbits
b.dmosses
c.dbacteria

, d.dfernsd-dCORRECTdANSWER-
C:dBacteriadcomprisedtheddecomposerdportiondofdthedfooddchain.

Asdthedeardrumdisdmadedtodvibratedmoredrapidly,dthedsounddisdperceiveddas?
a.dlouderdindintensity
b.dsofterdindintensity
c.dhigherdindpitch
d.dlowerdindpitchd-dCORRECTdANSWER-C:dHigh-
pitchdsoundsdaredhearddwhendthedreceptordcellsdcloserdtodthedovaldwindowdaredstimulated
,danddlow-
pitchdsoundsdresultdfromdthedstimulationdofdthedcellsdthatdaredfartherddowndthedcochlea.

Indadfielddofdpuredwhitedasters,dadgrowerdnoticeddadsingledbluedaster.dHowdcoulddthedgrow
erdtestdwhetherdthisdchangedaffecteddthedgamete-producingdcellsdofdthedplant?
a.dself-pollinatedthedflower,danddplantdthedresultingdseeds
b.dexaminedthedbluedpetalsdunderdandelectrondmicroscope
c.dpreformdadchemicaldanalysisdtodfinddthednaturedofdthedbluedpigment
d.dpreformdvegetativedpropagationdondadcuttingdofdthedplantd-dCORRECTdANSWER-
A:dRememberdthatdduringdadphasedchangedfromdliquiddtodgasdthedtemperaturedremainsdco
nstantdatd100C.

Adhumandeggdwillddevelopdintodadfemaledifditdisdfertilizeddbydspermdcontaining?
a.dandXdchromosome
b.dadYdchromosome
c.dandXYdchromosome
d.dandXXYdchromosomed-dCORRECTdANSWER-
A:dAdfemaledhasdtwodXdchromosomes,danddadmaledhasdonedXdchromosomedanddonedYdch
romosome.dFordadhumandeggdtoddevelopdintodadfemale,ditdmustdbedfertilizeddbydadspermdc
ontainingdandXdchromosome.

Indadfooddchaindinvolvingdgrass,dgrasshoppers,dbirdsdanddmammals,dthedorginaldsourcedof
denergydis?

a.dglucose
b.dsunlight
c.dchlorophyll
d.dATPd-dCORRECTdANSWER-
B:dSunlightdisdabsorbeddbydthedchlorophylldcontaineddindplants.dThedabsorbeddenergydfuel
sdphotosynthesisdwhichdproducesdglucose.dIndthisdfooddchain,dgrassdisdthedproducer.

Whichdofdthedfollowingdequationsdrepresentsdadneutralizationdreaction?
a.d2Na+MgCl2d>dMg+2NaCl
b.dCaCO3+4Cd>d3CO+CaC2
c.d4NH3+5O2d>d6H2O+4NO
d.dH2CO3+Ca(OH)2d>d2H2O+CaCO3d-dCORRECTdANSWER-
D:dEquationdddisdadreactiondbetweendandacidd(carbonicdacid)danddadbased[(Ca(OH)2]dtodfo
rmdwaterdanddadsalt.dItdisdthedonlydneutralizationdreactiondamongdthedchoices.