AQA AS Biology 7401/1 Paper 1 June 2024
Question Paper
, PleaseIwriteIclearlyIinIblockIcapitals.
CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber
Surname
Forename(s)IIIIIIIIIIIIIII I
CandidateIsignatureIIIII
IIdeclareIthisIisImyIownIwork.
AS
BIOLOGY
PaperI 1
MondayI13I MayI2024 Morning TimeIallowed:I1IhourI 30I minute
Materials
s
For Examiner’s Use
ForIthisIpaperIyouImustIhave:
•I aIrulerIwithImillimetreImeasurements Question Mark
•I aIscientificIcalculator. 1
2
Instructions
•I UseIblackIinkIorIblackIball-pointIpen. 3
•I FillIinItheIboxesIatItheItopIofIthisIpage. 4
•I AnswerIallIquestions. 5
•I YouImustIanswerItheIquestionsIinItheIspacesIprovided.IIDoInotIwrite
6
IoutsideItheIboxIaroundIeachIpageIorIonIblankIpages.
•I IfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIof 7
thisIbook.I WriteItheIquestionInumberIagainstIyourIanswer(s). 8
•I ShowIallIyourIworking.
9
•I DoIallIroughIworkIinIthisIbook.IICrossIthroughIanyIworkIyouIdoInotIwant
ItoIbeImarked. TOTAL
Information
•I TheImarksIforItheIquestionsIareIshownIinIbrackets.
•I TheImaximumImarkIforIthisIpaperIisI75.
* IB/M/Jun24/G4001/E9IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
, 2
DoInotIwriteI
outsideItheI
AnswerIallIquestionsIinItheIspacesIprovided. box
0III1II .II 1IIII FigureI1IshowsIaIdiagramIofItheIhumanIgasIexchangeIsystem.
FigureI1
StructureIBIisImuscle.I TheIvolumeIofItheIthoraxIisIincreasedIwhenIstructureIB
contracts.
NameItheIstructuresIlabelledIAIandIB.
[2Imarks]
AI
I
BI
*2*
IB/M/Jun24/7401/1
, 3
DoInotIwriteI
outsideItheI
0III 1II .II 2IIII FigureI2IisIaIdiagramIofIanIalveolusIandIaIbloodIvesselIassociatedIwithItheIalveolus. box
TheIdirectionIofItheImovementIofIsubstancesIisIshownIbyItheIarrowsIlabelledIC,ID,IE,
FIandIG.
FigureI2
CompleteITableI1IbyIwritingItheIcorrectIletter,IC,ID,IE,IFIorIG,IinItheIboxInextItoIeach
Istatement.IIYouImayIuseIeachIletterIonce,ImoreIthanIonceIorInotIatIall.
[2Imarks]
TableI1
Box Statement
representsItheIdiffusionIofIoxygen
representsItheItransportIofIaIgasImixture
representsIbloodImovingIatItheIhighestIpressure
TurnIoverI►
*3*
IB/M/Jun24/7401/1
Question Paper
, PleaseIwriteIclearlyIinIblockIcapitals.
CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber
Surname
Forename(s)IIIIIIIIIIIIIII I
CandidateIsignatureIIIII
IIdeclareIthisIisImyIownIwork.
AS
BIOLOGY
PaperI 1
MondayI13I MayI2024 Morning TimeIallowed:I1IhourI 30I minute
Materials
s
For Examiner’s Use
ForIthisIpaperIyouImustIhave:
•I aIrulerIwithImillimetreImeasurements Question Mark
•I aIscientificIcalculator. 1
2
Instructions
•I UseIblackIinkIorIblackIball-pointIpen. 3
•I FillIinItheIboxesIatItheItopIofIthisIpage. 4
•I AnswerIallIquestions. 5
•I YouImustIanswerItheIquestionsIinItheIspacesIprovided.IIDoInotIwrite
6
IoutsideItheIboxIaroundIeachIpageIorIonIblankIpages.
•I IfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIof 7
thisIbook.I WriteItheIquestionInumberIagainstIyourIanswer(s). 8
•I ShowIallIyourIworking.
9
•I DoIallIroughIworkIinIthisIbook.IICrossIthroughIanyIworkIyouIdoInotIwant
ItoIbeImarked. TOTAL
Information
•I TheImarksIforItheIquestionsIareIshownIinIbrackets.
•I TheImaximumImarkIforIthisIpaperIisI75.
* IB/M/Jun24/G4001/E9IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
, 2
DoInotIwriteI
outsideItheI
AnswerIallIquestionsIinItheIspacesIprovided. box
0III1II .II 1IIII FigureI1IshowsIaIdiagramIofItheIhumanIgasIexchangeIsystem.
FigureI1
StructureIBIisImuscle.I TheIvolumeIofItheIthoraxIisIincreasedIwhenIstructureIB
contracts.
NameItheIstructuresIlabelledIAIandIB.
[2Imarks]
AI
I
BI
*2*
IB/M/Jun24/7401/1
, 3
DoInotIwriteI
outsideItheI
0III 1II .II 2IIII FigureI2IisIaIdiagramIofIanIalveolusIandIaIbloodIvesselIassociatedIwithItheIalveolus. box
TheIdirectionIofItheImovementIofIsubstancesIisIshownIbyItheIarrowsIlabelledIC,ID,IE,
FIandIG.
FigureI2
CompleteITableI1IbyIwritingItheIcorrectIletter,IC,ID,IE,IFIorIG,IinItheIboxInextItoIeach
Istatement.IIYouImayIuseIeachIletterIonce,ImoreIthanIonceIorInotIatIall.
[2Imarks]
TableI1
Box Statement
representsItheIdiffusionIofIoxygen
representsItheItransportIofIaIgasImixture
representsIbloodImovingIatItheIhighestIpressure
TurnIoverI►
*3*
IB/M/Jun24/7401/1
