TEAS 7 Science Questions&Answers 2023 Latest Update (Made 82- with this document).pdf

1. Whichmofmthemfollowingmismthemappropriatemthresholdmvaluemformmammalianmneurons?
a. -80mMv
b. -55mmV
c. 0mmV
d. +35mmV



2. Inmamcertainmplant,mredmflowersmaremdominantmovermwhitemflowers.mAmplantmheterozygousmformre
dmflowersmandmamplantmwithmwhitemflowersmaremcrossed.mWhichmofmthemfollowingmismthemexpecte
dmproportionmofmphenotypesminmthemnextmgeneration?

a. 2mred,m2mwhitem
b. 4mred,m0mwhitem
c. 3mred,m1mwhite
d. 1mred,m3mwhite



3. Whichmofmthemfollowingmstructuresmismpresentminmbothmprokarayoticmcells?m
a. Endoplasmicmreticulum
b. Cellmmembranem
c. Chloroplast
d. Golgimapparatus




4. m Whichmofmthemfollowingmcanmleadmtomamtsunami?
a. Sunspotmactivity
b. Lightningmstrikesm
c. Flooding
d. Earthquakes



5. Whichmofmthemfollowingmaremusedmtomdeterminemamperson’smDNAmsequence?m

a. Genes
b. Bloodmtypem
c. Hormonesm
d. Enzymes

,6.mWhichmofmthemfollowingmorganicmmoleculesmcontainmbothmanmaminemandmcarboxylmgroup?m

a. Lipidsm
b. Chitinm
c. Cellulose
d. Proteins



7.Osteoporosismresultsmfrommwhichmofmthemfollowing

a. Amdeclineminmosteoclastmactivitymwhilemosteoblastmactivitymcontinuesmatmexpectedmle
velsm
b. Anmincreaseminmosteocytemactivitymwhilemosteoblastmactivitymcontinuesmatmexpectedml
evelsm
c. Amdeclineminmosteoblastmactivitymwhilemosteoblastmactivitymcontinuesmatmexpectedmle
velsm
d. Anmincreaseminmosteocytemwhilemactivitymcontinuesmatmexpectedmlevels



8.mWhichmofmthemfollowingmismreleasedmbymonemtypemofmimmunemcellmtomdirectlymactivatemtypemofmimmun
emcell?m

a. Lysozymesm
b. Perforinm
c. Cytokinesm
d. Granzyme



9.mmThemmeasurementmindicatedmbymthemlinemacrossmthemcentremofmthemcellmismbestmreferredmtomasmwhich
mofmthemfollowing?m



a. Radiusm
b. Diameterm
c. Area
d. Volume



10.mWhichmofmthemfollowingmpropertiesmofmwatermexplainsmitsmsolventmabilitiesmformcertainmsubstances?

a. Highmsurfacemtensionm
b. Kineticmenergymofmliquidmwatermmoleculesm
c. Polaritymofmwatermmolecules
d. Highmspecificmheat

, 11.Whichmofmthemfollowingmvesselsmcariesmoxygenatedmblood?m

a. Pulmonarymveinm
b. Inferiormvenamcavam
c. Pulmonarymarterym
d. Superiormvenamcave



12.mWhichmofmthemfollowingmismammassmwithmthemovarymthatmsecretesmhormonesmtommaintainmthemuterine
mliningmduringmpregnancy?



a. Umbilicalmcordm
b. Corpusmluteumm
c. Oocytem
d. Oviduct



13.mTomseparatemgenomicmDNAmfragmentsmbymsize,mwhichmofmthesemlaboratorymmethodsmismmostmuseful?

a. Spectrophotometrym
b. Electrophoresism
c. Filtrationm
d. Titration



14.mInmamplantminmwhichmfuzzymleavesm(F)maremdominantmovermsmoothmleavesm(f),mwhichmofmthemfollowing
mcrossesmwillmproducemonlymoffspringmwithmsmoothmleaves?



a. ffmxmffm
b. FfmxmFf
c. FFmxmFFm
d. Ffmxmff

15.mWhichmofmthemfollowingmphysiologicalmresponsesmismcausedmbymthemreleasemofmantidiureticmhormone
s?

a. Decreaseminmwatermreabsorptionminmthemcollectingmduct
b. Decreaseminmthemconcentrationmofmcalciumminmthemglomerulus
c. Increaseminmwatermreabsorptionminmthemcollectingmduct
d. IncreasemImthemconcentrationmofmcalciumminmthemglomerulus

16.mWhichmofmthemfollowingmismthematomicmnumbermthatmhasm12mprotonsmandm12mneutronsm

a. 12m
b. 24
c. 1m
d. 144