AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F – BIOLOGY PAPER 1 FOUNDATION TIER Mark scheme

GCSE
COMBINED SCIENCE: TRILOGY m m




8464/B/1F – BIOLOGY PAPER 1 FOUNDATION TIER
m m m m m m



Mark scheme
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8464
Junem2018

Version/Stage:m1.0mFinal

,MarkmschemesmarempreparedmbymthemLeadmAssessmentmWritermandmconsidered,mtogethermwithmthemrelev
antmquestions,mbymampanelmofmsubjectmteachers.mThismmarkmschememincludesmanymamendmentsmmademat
mthemstandardisationmeventsmwhichmallmassociatesmparticipateminmandmismthemschememwhichmwasmusedmby

mthemminmthismexamination.mThemstandardisationmprocessmensuresmthatmthemmarkmschememcoversmthemstu
dents’mresponsesmtomquestionsmandmthatmeverymassociatemunderstandsmandmappliesmitminmthemsamemcorre
ctmway.
Asmpreparationmformstandardisationmeachmassociatemanalysesmamnumbermofmstudents’mscripts.mAlternative
answersmnotmalreadymcoveredmbymthemmarkmschememaremdiscussedmandmlegislatedmfor.mIf,maftermthemstan
m

dardisationmprocess,massociatesmencountermunusualmanswersmwhichmhavemnotmbeenmraisedmtheymaremreq
uiredmtomrefermthesemtomthemLeadmAssessmentmWriter.

Itmmustmbemstressedmthatmammarkmschememismamworkingmdocument,minmmanymcasesmfurthermdevelopedma
ndmexpandedmonmthembasismofmstudents’mreactionsmtomamparticularmpaper.mAssumptionsmaboutmfuturemm
arkmschemesmonmthembasismofmonemyear’smdocumentmshouldmbemavoided;mwhilstmthemguidingmprinciplesm
ofmassessmentmremainmconstant,mdetailsmwillmchange,mdependingmonmthemcontentmofmamparticularmexami
nationmpaper.


Furthermcopiesmofmthismmarkmschememaremavailablemfrommaqa.org.uk




Copyrightm©m2018mAQAmandmitsmlicensors.mAllmrightsmreserved.
AQAmretainsmthemcopyrightmonmallmitsmpublications.mHowever,mregisteredmschools/collegesmformAQAmarempermittedmtomcopymmaterialmfrommthi
smbookletmformtheirmownminternalmuse,mwithmthemfollowingmimportantmexception:mAQAmcannotmgivempermissionmtomschools/collegesmtomphotoc
opymanymmaterialmthatmismacknowledgedmtomamthirdmpartymevenmforminternalmusemwithinmthemcentre.

, MARKm SCHEMEm –m GCSEm COMBINEDm SCIENCE:m TRILOGYm–m 8464/B/1Fm –
m JUNEm 2018




Information to Examiners
m m




1. General

Themmarkmschememformeachmquestionmshows:
 themmarksmavailablemformeachmpartmofmthemquestion
 themtotalmmarksmavailablemformthemquestion
 themtypicalmanswermormanswersmwhichmaremexpected
 extraminformationmtomhelpmthemExaminermmakemhismormhermjudgement
 themAssessmentmObjectivesmandmspecificationmcontentmthatmeachmquestionmismintendedmtomcover.


Themextraminformationmismalignedmtomthemappropriatemanswerminmthemleft-
handmpartmofmthemmarkmschememandmshouldmonlymbemappliedmtomthatmitemminmthemmarkmscheme.

Atmthembeginningmofmampartmofmamquestionmamremindermmaymbemgiven,mformexample:mwheremconsequenti
almmarkingmneedsmtombemconsideredminmamcalculation;mormthemanswermmaymbemonmthemdiagrammormatmamd
ifferentmplacemonmthemscript.

Inmgeneralmthemright-
handmsidemofmthemmarkmschememismtheremtomprovidemthosemextramdetailsmwhichmconfusemthemmainmpartmo
fmthemmarkmschememyetmmaymbemhelpfulminmensuringmthatmmarkingmismstraightforwardmandmconsistent.



2. Emboldening and underlining
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2.1 Inmamlistmofmacceptablemanswersmwheremmoremthanmonemmarkmismavailablem‘anymtwomfrom’mismused,
mwithmthemnumbermofmmarksmemboldened.mEachmofmthemfollowingmbulletmpointsmisma
potentialmmark.

2.2 Amboldmandmismusedmtomindicatemthatmbothmpartsmofmthemanswermaremrequiredmtomawardmthemmark.

2.3 Alternativemanswersmacceptablemformammarkmaremindicatedmbymthemusemofmor.mDifferentmtermsmin
mthem
markmschememaremshownmbymam/m;megmallowmsmoothm/mfreemmovement.

2.4 Anymwordingmthatmismunderlinedmismessentialmformthemmarkingmpointmtombemawarded.




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