COMBINED SCIENCE: TRILOGY
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8464/B/1H
Biology Paper 1H
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Mark scheme
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June 2020
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Version:c1.0cFinalcMarkcScheme
*206g8464b1H/MS*
, MARKcSCHEMEc–cGCSEcCOMBINEDcSCIENCE:cTRILOGYc–c8464/B/1Hc–cJUNEc2020
MarkcschemescarecpreparedcbycthecLeadcAssessmentcWritercandcconsidered,ctogethercwithcthecrelevantcq
uestions,cbycacpanelcofcsubjectcteachers.cThiscmarkcschemecincludescanycamendmentscmadecatcthecstand
ardisationceventscwhichcallcassociatescparticipatecincandciscthecschemecwhichcwascusedcbycthemcincthiscex
amination.cThecstandardisationcprocesscensurescthatcthecmarkcschemeccoverscthecstudents’cresponsescto
cquestionscandcthatceverycassociatecunderstandscandcappliescitcincthecsameccorrectcway.
Ascpreparationcforcstandardisationceachcassociatecanalysescacnumbercofcstudents’cscripts.c Alternativecanswe
rscnotcalreadyccoveredcbycthecmarkcschemecarecdiscussedcandclegislatedcfor.cIf,caftercthecstandardisationcpro
cess,cassociatescencountercunusualcanswerscwhichchavecnotcbeencraisedctheycarecrequiredctocrefercthesectoct
hecLeadcExaminer.
Itcmustcbecstressedcthatcacmarkcschemeciscacworkingcdocument,cincmanyccasescfurthercdevelopedcandcex
pandedconcthecbasiscofcstudents’creactionsctocacparticularcpaper.cAssumptionscaboutcfuturecmarkcscheme
sconcthecbasiscofconecyear’scdocumentcshouldcbecavoided;cwhilstcthecguidingcprinciplescofcassessmentcre
maincconstant,cdetailscwillcchange,cdependingconctheccontentcofcacparticularcexaminationcpaper.
Furtherccopiescofcthiscmarkcschemecarecavailablecfromcaqa.org.uk
Copyrightcinformation
AQAcretainsctheccopyrightconcallcitscpublications.cHowever,cregisteredcschools/collegescforcAQAcarecpermittedctoccopycmaterialcfromcthiscbookletcforctheirco
wncinternalcuse,cwithcthecfollowingcimportantcexception:cAQAccannotcgivecpermissionctocschools/collegesctocphotocopycanycmaterialcthatciscacknowledgedct
ocacthirdcpartycevencforcinternalcusecwithinctheccentre.
Copyrightc©c2020cAQAcandcitsclicensors.cAllcrightscreserved.
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, MARKcSCHEMEc–cGCSEcCOMBINEDcSCIENCE:cTRILOGYc–c8464/B/1Hc–cJUNEc2020
Information to Examiners
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1. General
Thecmarkcschemecforceachcquestioncshows:
thecmarkscavailablecforceachcpartcofcthecquestion
thectotalcmarkscavailablecforcthecquestion
thectypicalcanswercorcanswerscwhichcarecexpected
extracinformationctochelpcthecExaminercmakechiscorchercjudgement
thecAssessmentcObjectives,clevelcofcdemandcandcspecificationccontentcthatceachcquestionciscintendedct
occover.
Thecextracinformationciscalignedctocthecappropriatecanswercincthecleft-
handcpartcofcthecmarkcschemecandcshouldconlycbecappliedctocthatcitemcincthecmarkcscheme.
Atcthecbeginningcofcacpartcofcacquestioncacremindercmaycbecgiven,cforcexample:cwherecconsequentialcmar
kingcneedsctocbecconsideredcincaccalculation;corcthecanswercmaycbeconcthecdiagramcorcatcacdifferentcplacec
oncthecscript.
Incgeneralcthecright-
handcsidecofcthecmarkcschemecisctherectocprovidecthosecextracdetailscwhichcconfusecthecmaincpartcofcthec
markcschemecyetcmaycbechelpfulcincensuringcthatcmarkingciscstraightforwardcandcconsistent.
2. Emboldening and underlining
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2.1 Incaclistcofcacceptablecanswerscwherecmorecthanconecmarkciscavailablec‘anyctwocfrom’ciscused,cwithcth
ecnumbercofcmarkscemboldened.cEachcofcthecfollowingcbulletcpointscisca
potentialcmark.
2.2 Acboldcandciscusedctocindicatecthatcbothcpartscofcthecanswercarecrequiredctocawardcthecmark.
2.3 Alternativecanswerscacceptablecforcacmarkcarecindicatedcbycthecusecofcor.cDifferentctermscincthecm
arkcschemecarecshowncbycac/c;cegcallowcsmoothc/cfreecmovement.
2.4 Anycwordingcthatciscunderlinedciscessentialcforcthecmarkingcpointctocbecawarded.
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