AQA A Level Biology 7402/2 Paper 2 June 2024
Question Paper
, PleaseIwriteIclearlyIinIblockIcapitals.
CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber
Surname
Forename(s)IIIIIIIIIIIIIIIII
CandidateIsignatureIIIII
IIdeclareIthisIisImyIownIwork.
A-level
BIOLOGY
PaperII2
FridayI14I JuneI 2024 Morning TimeIallowed:I2I hours
Materials ForIExaminer’sIUse
ForIthisIpaperIyouImustIhave:
•I aIrulerIwithImillimetreImeasurements Question Mark
•I aIscientificIcalculator. 1
2
Instructions
•I UseIblackIinkIorIblackIball-pointIpen. 3
•I FillIinItheIboxesIatItheItopIofIthisIpage. 4
•I AnswerIallIquestions. 5
•I YouImustIanswerItheIquestionsIinItheIspacesIprovided.I DoInotIwriteI
outsideItheIboxIaroundIeachIpageIorIonIblankIpages. 6
•I IfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIofI 7
thisIbook.I WriteItheIquestionInumberIagainstIyourIanswer(s). 8
•I ShowIallIyourIworking.
9
•I DoIallIroughIworkIinIthisIbook.I CrossIthroughIanyIworkIyouIdoInotIwantI
toIbeImarked. 10
TOTAL
Information
•I TheImarksIforItheIquestionsIareIshownIinIbrackets.
•I TheImaximumImarkIforIthisIpaperIisI91.
IB/M/Jun24/G4006/E7IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
, 2
DoInotIwriteI
outsideItheI
AnswerIallIquestionsIinItheIspacesIprovided. box
0III 1IIIIIIIIIIII FigureI1IshowsIaIdrawingIofIaIneuromuscularIjunction.
FigureI1
0 1 . 1 NameItheIpartsIlabelledIAItoID.
[2Imarks]
AII
IBII
ICII
IDI
*02*
IB/M/Jun24/7402/2
, 3
DoInotIwriteI
outsideItheI
0 box
1II.II 2IIIIIFollowingItheIreleaseIofIacetylcholineIintoIaIneuromuscularIju
nction,IaImuscleIcontractionIoccurs.
DescribeItheIsequenceIofIevents,IfollowingItheIreleaseIofIacetylcholine,IthatIleadsItoI
stimulationIofIthisIcontraction.
DoInotIincludeIinIyourIanswerItheIeventsIfollowingItheIreleaseIofIcalciumIionsIinItheI
myofibril.
[4Imarks]
0III 1II.II 3IIIIIInhibitoryIsynapsesIcauseIhyperpolarisationIinIpostsynapticIneurones.
ExplainIhowIthisIinhibitsIsynapticItransmission.
[2Imarks]
8
TurnIoverI►
*03*
IB/M/Jun24/7402/2
Question Paper
, PleaseIwriteIclearlyIinIblockIcapitals.
CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber
Surname
Forename(s)IIIIIIIIIIIIIIIII
CandidateIsignatureIIIII
IIdeclareIthisIisImyIownIwork.
A-level
BIOLOGY
PaperII2
FridayI14I JuneI 2024 Morning TimeIallowed:I2I hours
Materials ForIExaminer’sIUse
ForIthisIpaperIyouImustIhave:
•I aIrulerIwithImillimetreImeasurements Question Mark
•I aIscientificIcalculator. 1
2
Instructions
•I UseIblackIinkIorIblackIball-pointIpen. 3
•I FillIinItheIboxesIatItheItopIofIthisIpage. 4
•I AnswerIallIquestions. 5
•I YouImustIanswerItheIquestionsIinItheIspacesIprovided.I DoInotIwriteI
outsideItheIboxIaroundIeachIpageIorIonIblankIpages. 6
•I IfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIofI 7
thisIbook.I WriteItheIquestionInumberIagainstIyourIanswer(s). 8
•I ShowIallIyourIworking.
9
•I DoIallIroughIworkIinIthisIbook.I CrossIthroughIanyIworkIyouIdoInotIwantI
toIbeImarked. 10
TOTAL
Information
•I TheImarksIforItheIquestionsIareIshownIinIbrackets.
•I TheImaximumImarkIforIthisIpaperIisI91.
IB/M/Jun24/G4006/E7IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
, 2
DoInotIwriteI
outsideItheI
AnswerIallIquestionsIinItheIspacesIprovided. box
0III 1IIIIIIIIIIII FigureI1IshowsIaIdrawingIofIaIneuromuscularIjunction.
FigureI1
0 1 . 1 NameItheIpartsIlabelledIAItoID.
[2Imarks]
AII
IBII
ICII
IDI
*02*
IB/M/Jun24/7402/2
, 3
DoInotIwriteI
outsideItheI
0 box
1II.II 2IIIIIFollowingItheIreleaseIofIacetylcholineIintoIaIneuromuscularIju
nction,IaImuscleIcontractionIoccurs.
DescribeItheIsequenceIofIevents,IfollowingItheIreleaseIofIacetylcholine,IthatIleadsItoI
stimulationIofIthisIcontraction.
DoInotIincludeIinIyourIanswerItheIeventsIfollowingItheIreleaseIofIcalciumIionsIinItheI
myofibril.
[4Imarks]
0III 1II.II 3IIIIIInhibitoryIsynapsesIcauseIhyperpolarisationIinIpostsynapticIneurones.
ExplainIhowIthisIinhibitsIsynapticItransmission.
[2Imarks]
8
TurnIoverI►
*03*
IB/M/Jun24/7402/2