DOWNLOAD THE Test Bank for Biology Life on Earth
with Physiology 11th
Edition Audesirk
,MULTIPLErnCHOICE.r n Choosern thern onern alternativern thatrn bestrn completesrn thern statementrn orrn answersrn thern question.
1) Arnsubstancernwithrnspecificrnpropertiesrnthatrncannotrnbernbrokenrndownrnorrnconvertedrnintornanotherrnsu
bstancernisrncalledrna(n)
A) molecule.
B) compound.
C) mixture.
D) ion.
E) element.
rnAnswer:r n E
2) Ifrnyournexaminedrnthernhumanrnbodyrnonrnarnchemicalrncompositionrnbasis,rnwhichrnofrnthernfollowingr
ncombinationsrnofrnelementsrnwouldrnbernmostrncommon?
A) O,rnC,rnH,rnN
B) O,rnC,rnN,rnNa
C) C,rnH,rnCa,rnCl
D) C,rnN,rnCa,rnS
E) O,rnC,rnP,rnS
Answer:r n A
3) Thernatomicrn numberrn ofrnanrnatomrn isrndefinedrnasrn the
A) totalrn numberrnofrnelectronsrnandrnneutrons.
B) totalrn numberrnofrnenergyrnshells.
C) numberrnofrn protonsrn inrnthernatomicrn nucleus.
D) numberrn ofrnneutronsrninrn thern atomicrn nucleus.
E) numberrnofrnelectronsrninrnthernoutermostrnenerg
yrnlevel.rnAnswer:r n C
4) Phosphorusrnhasrnanrnatomicrn numberrnofrn15,rnsornwhatrnisrntherndistributionrnofrn itsrnelectrons?
A) Thernfirst,rn second,rnandrnthirdrnenergyrnlevelsrn havern 5rn electronsrneach.
B) Thernfirstrn energyrnlevelrn hasrn8rn andrnthernsecondrnhasrn7.
C) Thernfirstrnenergyrnlevelrn hasrn2,rnthernsecondrnhasrn8,rn andrnthernthirdrnhasrn5.
D) Thernfirstrn energyrnlevelrn hasrn2rn andrnthernsecondrnhasrn13.
E) Thernelectronrnarrangementrncannotrnberndeterminedrnfromrnthernatomicrnnum
berrnalone.rnAnswer:r n C
5) Whichrn fourrn elementsrn makern uprn approximatelyrn 96%rn ofrn livingrn matter?
A) Carbon,rn hydrogen,rn nitrogen,rn oxygen
B) Carbon,rn oxygen,rn calcium,rn sulfur
C) Carbon,rn sodium,rn chlorine,rn magnesium
D) Carbon,rn phosphorus,rn hydrogen,rn sulfur
E) Oxygen,rnhydrogen,rncalcium,rnsodi
umrnAnswer:r n A
6) Imaginernthatrnyournhavernbeenrnhiredrnasrnarnchemistrnandrnyourrnfirstrntaskrnisrntornexaminernarnnewlyrn
discoveredrnatom.rnThernpaperworkrnyournarerngivenrnstatesrnthatrnitsrnatomicrnnumberrnisrn110.rnWhatrnd
oesrnthisrnmean?
A) Thernatomrn containsrn55rn protonsrnandrn55rn neutrons.
B) Thernatomrn containsrn55rn electrons.
C) Thernatomrn isrnanrnisotope.
D) Thernatomrncontainsrn110rnpro
tons.rnAnswer:r n D
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,DOWNLOADrnTHErnTestrnBankrnforrnBiologyrnLifernonrnEarthrnwithrnPhysiologyrn11t
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7) Ironrnisrnanrnimportantrnelementrninrnhumanrnbodyrncells.rnIfrnironrnhasrnanrnatomicrnnumberrnofrn26,rnw
hatrndoesrnthisrntellrnyournaboutrnthisrnelement?
A) Anrnironrnatomrn hasrn26rn protons.
B) Anrnironrnatomrn isrn unablern tornbecomernanrn isotope.
C) Anrnironrnatomrn hasrn13rn electronsrnandrn13rn protons.
D) Anrnironrnatomrnhasrn13rnprotonsrnandrn13rn
neutrons.rnAnswer:r n A
8) Carbon-14rnisrnoftenrnusedrnforrncarbonrndating,rnwherernscientistsrnmeasurernthernraternofrncarbon-
14rndecayrntorndeterminernthernagernofrnitems.rnCarbon-
14rncontainsrnsixrnprotonsrnandrneightrnneutrons.rnDuringrnthernprocessrnofrncarbon-
14rndecay,r n onernofrnitsrneightrnneutronsrnbecomesrnarnprotonrnandrnanrnelectronrnisrnemitted.rnWhichrnofr
nthernfollowingrnisrnthernbestrnexplanationrnofrnwhatrnhasrnoccurred?
A) Thern resultingrn atomrn isrn stillrn carbon-14.
B) Thernresultingrnatomrn hasrn arn morern stablern nucleus.
C) Anrnionicrnbondrnhasrnformed.
D) Thernresultingrnatomrnisrnnowrnarndifferentrnelementrnbecausernthernnumberrnofrnprotons
rnhasrnchanged.rnAnswer:r n D
9) Radioactivern isotopesrnarern biologicalrn toolsrnthatrnarernoftenrnusedrnto
A) detectrnbrainrn tumorsrnandrn otherrn importantrn medicalrn technologies.
B) buildrnuprnarnstorern ofrncalciumrninrnarn cell.
C) increasernthernpHrnofrn blood.
D) measurernthernsizernofrnfo
ssils.rnAnswer:r n A
10) Forrn anrn atomrn torn achievern maximumrn stabilityrn andrn becomern chemicallyrn inert,rn whatrn mustrn occur?
A) Ionizationrn occurs.
B) Itsrnoutermostrn energyrnshellrn mustrn berncompletelyrnfilledrnwithrnelectrons.
C) Electronrn pairsrn arern shared.
D) Thernnumberrnofrnelectronsrnmustrnequalrnthernnumberrno
frnprotons.rnAnswer:r n B
11) Anrn atom'srn nucleusrn isrn composedrn of
A) neutronsrnandrn electrons.
B) protonsrnonly.
C) protonsrnandrnelectrons.
D) protonsrnandrnneutrons.
E) neutronsrn onl
y.
Answer:r n D
12) Thern formationrn ofrn ionsrn involvesrn the
A) sharingrnofrn protons.
B) gainrnorrnlossrnofrnprotons.
C) sharingrnofrnelectrons.
D) gainrnorrnlossrnofrnneutrons.
E) gainrnorrnlossrnofrnelect
rons.rnAnswer:r n E
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, DOWNLOADrnTHErnTestrnBankrnforrnBiologyrnLifernonrnEarthrnwithrnPhysiologyrn11t
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13) Ifrnarn certainrnatomrn hasrnarn tendencyrntornlosern twornelectrons,rnthatrnatomrncanrnthenrnbecomerna(n)
A) polarrn molecule.
B) ion.
C) isotope.
D) waterrn molecul
e.
Answer:r n B
14) Thernformationrnofrnsodiumrn chloridern (NaCl)rn isrnthernresultrnof
A) attractionrn betweenrn oppositern charges.
B) chemicalrn unreactivity.
C) covalentrn bonding.
D) repellingrnbetweenrnthernsamerncha
rges.rnAnswer:r n A
15) Atomsrnorrn moleculesrnthatrnhavern gainedrnorrn lostrnelectronsrnarerncalled
A) bases.
B) ions.
C) acids.
D) buffers.
E) covalent.
rnAnswer:r n B
16) Mostrn biologicalrn moleculesrn arern joinedrn by
A) ionicrn bonds.
B) peptidern bonds.
C) covalentrn bonds.
D) hydrogenrn bonds.
E) disulfidernbond
s.rnAnswer:r n C
17) Sulfurrnisrnanrnessentialrnelementrninrnthernhumanrnbody,rnandrnstudyingrnitsrncharacteristicsrnisrnimportantrn
inrnunderstandingrnhumanrnphysiology.rnSulfurrnatomsrnhavernsixrnelectronsrninrntheirrnouterrnshell.rnBasedrn
onrnthisrninformation,rnwhichrnofrnthernfollowingrnisrnTRUE?
A) Sulfurrn hasrneightrnelectronsrninrnitsrnouterrnshell.
B) Sulfurrn isrn inert.
C) Sulfurrn isrnanrn importantrnisotopernofrnhydrogen.
D) Sulfurrncanrnformrnimportantrnmoleculesrnusingrncovalentr
nbonds.rnAnswer:r n D
18) Freernradicalsrncontainrnunpairedrnelectronsrninrntheirrnoutermostrnenergyrnshell,rnsorntheyrnreactrnreadilyrn
withrnotherrnatomsr n orrnmoleculesrntornreachrnarnmorernstablernstate.rnWhichrnofrnthernfollowingrncouldrnp
otentiallyrnbernarnfreernradical?
A) Heliumrn (atomicrn numberrn 2)
B) Magnesiumrn (atomicrn numberrn 12)
C) Neonrn (atomicrn numberrn 10)
D) Fluorinern(atomicrnnumber
rn9)rnAnswer:r n D
3
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with Physiology 11th
Edition Audesirk
,MULTIPLErnCHOICE.r n Choosern thern onern alternativern thatrn bestrn completesrn thern statementrn orrn answersrn thern question.
1) Arnsubstancernwithrnspecificrnpropertiesrnthatrncannotrnbernbrokenrndownrnorrnconvertedrnintornanotherrnsu
bstancernisrncalledrna(n)
A) molecule.
B) compound.
C) mixture.
D) ion.
E) element.
rnAnswer:r n E
2) Ifrnyournexaminedrnthernhumanrnbodyrnonrnarnchemicalrncompositionrnbasis,rnwhichrnofrnthernfollowingr
ncombinationsrnofrnelementsrnwouldrnbernmostrncommon?
A) O,rnC,rnH,rnN
B) O,rnC,rnN,rnNa
C) C,rnH,rnCa,rnCl
D) C,rnN,rnCa,rnS
E) O,rnC,rnP,rnS
Answer:r n A
3) Thernatomicrn numberrn ofrnanrnatomrn isrndefinedrnasrn the
A) totalrn numberrnofrnelectronsrnandrnneutrons.
B) totalrn numberrnofrnenergyrnshells.
C) numberrnofrn protonsrn inrnthernatomicrn nucleus.
D) numberrn ofrnneutronsrninrn thern atomicrn nucleus.
E) numberrnofrnelectronsrninrnthernoutermostrnenerg
yrnlevel.rnAnswer:r n C
4) Phosphorusrnhasrnanrnatomicrn numberrnofrn15,rnsornwhatrnisrntherndistributionrnofrn itsrnelectrons?
A) Thernfirst,rn second,rnandrnthirdrnenergyrnlevelsrn havern 5rn electronsrneach.
B) Thernfirstrn energyrnlevelrn hasrn8rn andrnthernsecondrnhasrn7.
C) Thernfirstrnenergyrnlevelrn hasrn2,rnthernsecondrnhasrn8,rn andrnthernthirdrnhasrn5.
D) Thernfirstrn energyrnlevelrn hasrn2rn andrnthernsecondrnhasrn13.
E) Thernelectronrnarrangementrncannotrnberndeterminedrnfromrnthernatomicrnnum
berrnalone.rnAnswer:r n C
5) Whichrn fourrn elementsrn makern uprn approximatelyrn 96%rn ofrn livingrn matter?
A) Carbon,rn hydrogen,rn nitrogen,rn oxygen
B) Carbon,rn oxygen,rn calcium,rn sulfur
C) Carbon,rn sodium,rn chlorine,rn magnesium
D) Carbon,rn phosphorus,rn hydrogen,rn sulfur
E) Oxygen,rnhydrogen,rncalcium,rnsodi
umrnAnswer:r n A
6) Imaginernthatrnyournhavernbeenrnhiredrnasrnarnchemistrnandrnyourrnfirstrntaskrnisrntornexaminernarnnewlyrn
discoveredrnatom.rnThernpaperworkrnyournarerngivenrnstatesrnthatrnitsrnatomicrnnumberrnisrn110.rnWhatrnd
oesrnthisrnmean?
A) Thernatomrn containsrn55rn protonsrnandrn55rn neutrons.
B) Thernatomrn containsrn55rn electrons.
C) Thernatomrn isrnanrnisotope.
D) Thernatomrncontainsrn110rnpro
tons.rnAnswer:r n D
1
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,DOWNLOADrnTHErnTestrnBankrnforrnBiologyrnLifernonrnEarthrnwithrnPhysiologyrn11t
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7) Ironrnisrnanrnimportantrnelementrninrnhumanrnbodyrncells.rnIfrnironrnhasrnanrnatomicrnnumberrnofrn26,rnw
hatrndoesrnthisrntellrnyournaboutrnthisrnelement?
A) Anrnironrnatomrn hasrn26rn protons.
B) Anrnironrnatomrn isrn unablern tornbecomernanrn isotope.
C) Anrnironrnatomrn hasrn13rn electronsrnandrn13rn protons.
D) Anrnironrnatomrnhasrn13rnprotonsrnandrn13rn
neutrons.rnAnswer:r n A
8) Carbon-14rnisrnoftenrnusedrnforrncarbonrndating,rnwherernscientistsrnmeasurernthernraternofrncarbon-
14rndecayrntorndeterminernthernagernofrnitems.rnCarbon-
14rncontainsrnsixrnprotonsrnandrneightrnneutrons.rnDuringrnthernprocessrnofrncarbon-
14rndecay,r n onernofrnitsrneightrnneutronsrnbecomesrnarnprotonrnandrnanrnelectronrnisrnemitted.rnWhichrnofr
nthernfollowingrnisrnthernbestrnexplanationrnofrnwhatrnhasrnoccurred?
A) Thern resultingrn atomrn isrn stillrn carbon-14.
B) Thernresultingrnatomrn hasrn arn morern stablern nucleus.
C) Anrnionicrnbondrnhasrnformed.
D) Thernresultingrnatomrnisrnnowrnarndifferentrnelementrnbecausernthernnumberrnofrnprotons
rnhasrnchanged.rnAnswer:r n D
9) Radioactivern isotopesrnarern biologicalrn toolsrnthatrnarernoftenrnusedrnto
A) detectrnbrainrn tumorsrnandrn otherrn importantrn medicalrn technologies.
B) buildrnuprnarnstorern ofrncalciumrninrnarn cell.
C) increasernthernpHrnofrn blood.
D) measurernthernsizernofrnfo
ssils.rnAnswer:r n A
10) Forrn anrn atomrn torn achievern maximumrn stabilityrn andrn becomern chemicallyrn inert,rn whatrn mustrn occur?
A) Ionizationrn occurs.
B) Itsrnoutermostrn energyrnshellrn mustrn berncompletelyrnfilledrnwithrnelectrons.
C) Electronrn pairsrn arern shared.
D) Thernnumberrnofrnelectronsrnmustrnequalrnthernnumberrno
frnprotons.rnAnswer:r n B
11) Anrn atom'srn nucleusrn isrn composedrn of
A) neutronsrnandrn electrons.
B) protonsrnonly.
C) protonsrnandrnelectrons.
D) protonsrnandrnneutrons.
E) neutronsrn onl
y.
Answer:r n D
12) Thern formationrn ofrn ionsrn involvesrn the
A) sharingrnofrn protons.
B) gainrnorrnlossrnofrnprotons.
C) sharingrnofrnelectrons.
D) gainrnorrnlossrnofrnneutrons.
E) gainrnorrnlossrnofrnelect
rons.rnAnswer:r n E
2
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, DOWNLOADrnTHErnTestrnBankrnforrnBiologyrnLifernonrnEarthrnwithrnPhysiologyrn11t
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13) Ifrnarn certainrnatomrn hasrnarn tendencyrntornlosern twornelectrons,rnthatrnatomrncanrnthenrnbecomerna(n)
A) polarrn molecule.
B) ion.
C) isotope.
D) waterrn molecul
e.
Answer:r n B
14) Thernformationrnofrnsodiumrn chloridern (NaCl)rn isrnthernresultrnof
A) attractionrn betweenrn oppositern charges.
B) chemicalrn unreactivity.
C) covalentrn bonding.
D) repellingrnbetweenrnthernsamerncha
rges.rnAnswer:r n A
15) Atomsrnorrn moleculesrnthatrnhavern gainedrnorrn lostrnelectronsrnarerncalled
A) bases.
B) ions.
C) acids.
D) buffers.
E) covalent.
rnAnswer:r n B
16) Mostrn biologicalrn moleculesrn arern joinedrn by
A) ionicrn bonds.
B) peptidern bonds.
C) covalentrn bonds.
D) hydrogenrn bonds.
E) disulfidernbond
s.rnAnswer:r n C
17) Sulfurrnisrnanrnessentialrnelementrninrnthernhumanrnbody,rnandrnstudyingrnitsrncharacteristicsrnisrnimportantrn
inrnunderstandingrnhumanrnphysiology.rnSulfurrnatomsrnhavernsixrnelectronsrninrntheirrnouterrnshell.rnBasedrn
onrnthisrninformation,rnwhichrnofrnthernfollowingrnisrnTRUE?
A) Sulfurrn hasrneightrnelectronsrninrnitsrnouterrnshell.
B) Sulfurrn isrn inert.
C) Sulfurrn isrnanrn importantrnisotopernofrnhydrogen.
D) Sulfurrncanrnformrnimportantrnmoleculesrnusingrncovalentr
nbonds.rnAnswer:r n D
18) Freernradicalsrncontainrnunpairedrnelectronsrninrntheirrnoutermostrnenergyrnshell,rnsorntheyrnreactrnreadilyrn
withrnotherrnatomsr n orrnmoleculesrntornreachrnarnmorernstablernstate.rnWhichrnofrnthernfollowingrncouldrnp
otentiallyrnbernarnfreernradical?
A) Heliumrn (atomicrn numberrn 2)
B) Magnesiumrn (atomicrn numberrn 12)
C) Neonrn (atomicrn numberrn 10)
D) Fluorinern(atomicrnnumber
rn9)rnAnswer:r n D
3
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