GCSE
COMBINEDSCIENCE:TRILOGY v v
8464/B/1H
Biology Paper 1H
v v
Mark scheme
v
June 2024
v
Version:v1.0vFinal
, MARKvSCHEMEv–vGCSEvCOMBINEDvSCIENCE:vTRILOGYv–v8464/B/1Hv–vJUNEv2024
MarkvschemesvarevpreparedvbyvthevLeadvAssessmentvWritervandvconsidered,vtogethervwithvthevrelevantvqu
estions,vbyvavpanelvofvsubjectvteachers.v Thisvmarkvschemevincludesvanyvamendmentsvmadevatvthevstandar
disationveventsvwhichvallvassociatesvparticipatevinvandvisvthevschemevwhichvwasvusedvbyvthemvinvthisvexami
nation.v Thevstandardisationvprocessvensuresvthatvthevmarkvschemevcoversvthevstudents’vresponsesvtovque
stionsvandvthatveveryvassociatevunderstandsvandvappliesvitvinvthevsamevcorrectvway.
Asvpreparationvforvstandardisationveachvassociatevanalysesvavnumbervofvstudents’vscripts.v Alternativevans
wersvnotvalreadyvcoveredvbyvthevmarkvschemevarevdiscussedvandvlegislatedvfor.v If,vaftervthevstandardisatio
nvprocess,vassociatesvencountervunusualvanswersvwhichvhavevnotvbeenvraisedvtheyvarevrequiredvtovrefervth
esevtovthevLeadvExaminer.
Itvmustvbevstressedvthatvavmarkvschemevisvavworkingvdocument,vinvmanyvcasesvfurthervdevelopedvandvexpa
ndedvonvthevbasisvofvstudents’vreactionsvtovavparticularvpaper.v Assumptionsvaboutvfuturevmarkvschemesvonv
thevbasisvofvonevyear’svdocumentvshouldvbevavoided;vwhilstvthevguidingvprinciplesvofvassessmentvremainvco
nstant,vdetailsvwillvchange,vdependingvonvthevcontentvofvavparticularvexaminationvpaper.
Novstudentvshouldvbevdisadvantagedvonvthevbasisvofvtheirvgendervidentityvand/orvhowvtheyvrefervtovthevgend
ervidentityvofvothersvinvtheirvexamvresponses.
Avconsistentvusevofv‘they/them’vasvavsingularvandvpronounsvbeyondv‘she/her’vorv‘he/him’vwillvbevcreditedvinve
xamvresponsesvinvlinevwithvexistingvmarkvschemevcriteria.
Furthervcopiesvofvthisvmarkvschemevarevavailablevfromvaqa.org.uk
Copyrightvinformation
AQAvretainsvthevcopyrightvonvallvitsvpublications.v However,vregisteredvschools/collegesvforvAQAvarevpermittedvtovcopyvmaterialvfromvthisvbookletvforvtheirvown
v internalvuse,vwithvthevfollowingvimportantvexception:vAQAvcannotvgivevpermissionvtovschools/collegesvtovphotocopy vanyvmaterialvthatvisvacknowledgedvtovavthi
rdv partyvevenvforvinternalvusevwithinvthevcentre.
Copyrightv©v2024vAQAvandvitsvlicensors.v Allvrightsvreserved.
2
, MARKvSCHEMEv–vGCSEvCOMBINEDvSCIENCE:vTRILOGYv–v8464/B/1Hv–vJUNEv2024
Information to Examiners
v v
1. General
Thevmarkvschemevforveachvquestionvshows:
• thevmarksvavailablevforveachvpartvofvthevquestion
• thevtotalvmarksvavailablevforvthevquestion
• thevtypicalvanswervorvanswersvwhichvarevexpected
• extravinformationvtovhelpvthevExaminervmakevtheirvjudgement
• thevAssessmentvObjectivesvandvspecificationvcontentvthatveachvquestionvisvintendedvtovcover.
Thevextravinformationvisvalignedvtovthevappropriatevanswervinvthevleft-
handvpartvofvthevmarkvschemevandvshouldvonlyvbevappliedvtovthatvitemvinvthevmarkvscheme.
Atvthevbeginningvofvavpartvofvavquestionvavremindervmayvbevgiven,vforvexample:vwherevconsequentialvmarkin
gvneedsvtovbevconsideredvinvavcalculation;vorvthevanswervmayvbevonvthevdiagramvorvatvavdifferentvplacevonvth
evscript.
Invgeneralvthevright-
handvsidevofvthevmarkvschemevisvtherevtovprovidevthosevextravdetailsvwhichvdovnotvformvthevmainvpartvofvthev
markvschemevyetvmayvbevhelpfulvinvensuringvthatvmarkingvisvstraightforwardvandvconsistentv(forvexample,vav
scientificallyvcorrectvanswervthatvcouldvnotvreasonablyvbevexpectedvfromvavstudent’svknowledgevofvthevspeci
fication).
2. Emboldening and underlining
v v
2.1 Invavlistvofvacceptablevanswersvwherevmorevthanvonevmarkvisvavailablev‘anyvtwovfrom’visvused,vwithvth
evnumbervofvmarksvemboldened.v Eachvofvthevfollowingvbulletvpointsvisvavpotentialvmark.
2.2 Avboldvandvisvusedvtovindicatevthatvbothvpartsvofvthevanswervarevrequiredvtovawardvthevmark.
2.3 Alternativevanswersvacceptablevforvavmarkvarevindicatedvbyvthevusevofvor.
Alternativevwordsvinvthevmarkvschemevarevshownvbyvavsolidusvegvallowvsmoothv/vfreevmovement.
2.4 Anyvwordingvthatvisvunderlinedvisvessentialvforvthevmarkingvpointvtovbevawarded.
3
COMBINEDSCIENCE:TRILOGY v v
8464/B/1H
Biology Paper 1H
v v
Mark scheme
v
June 2024
v
Version:v1.0vFinal
, MARKvSCHEMEv–vGCSEvCOMBINEDvSCIENCE:vTRILOGYv–v8464/B/1Hv–vJUNEv2024
MarkvschemesvarevpreparedvbyvthevLeadvAssessmentvWritervandvconsidered,vtogethervwithvthevrelevantvqu
estions,vbyvavpanelvofvsubjectvteachers.v Thisvmarkvschemevincludesvanyvamendmentsvmadevatvthevstandar
disationveventsvwhichvallvassociatesvparticipatevinvandvisvthevschemevwhichvwasvusedvbyvthemvinvthisvexami
nation.v Thevstandardisationvprocessvensuresvthatvthevmarkvschemevcoversvthevstudents’vresponsesvtovque
stionsvandvthatveveryvassociatevunderstandsvandvappliesvitvinvthevsamevcorrectvway.
Asvpreparationvforvstandardisationveachvassociatevanalysesvavnumbervofvstudents’vscripts.v Alternativevans
wersvnotvalreadyvcoveredvbyvthevmarkvschemevarevdiscussedvandvlegislatedvfor.v If,vaftervthevstandardisatio
nvprocess,vassociatesvencountervunusualvanswersvwhichvhavevnotvbeenvraisedvtheyvarevrequiredvtovrefervth
esevtovthevLeadvExaminer.
Itvmustvbevstressedvthatvavmarkvschemevisvavworkingvdocument,vinvmanyvcasesvfurthervdevelopedvandvexpa
ndedvonvthevbasisvofvstudents’vreactionsvtovavparticularvpaper.v Assumptionsvaboutvfuturevmarkvschemesvonv
thevbasisvofvonevyear’svdocumentvshouldvbevavoided;vwhilstvthevguidingvprinciplesvofvassessmentvremainvco
nstant,vdetailsvwillvchange,vdependingvonvthevcontentvofvavparticularvexaminationvpaper.
Novstudentvshouldvbevdisadvantagedvonvthevbasisvofvtheirvgendervidentityvand/orvhowvtheyvrefervtovthevgend
ervidentityvofvothersvinvtheirvexamvresponses.
Avconsistentvusevofv‘they/them’vasvavsingularvandvpronounsvbeyondv‘she/her’vorv‘he/him’vwillvbevcreditedvinve
xamvresponsesvinvlinevwithvexistingvmarkvschemevcriteria.
Furthervcopiesvofvthisvmarkvschemevarevavailablevfromvaqa.org.uk
Copyrightvinformation
AQAvretainsvthevcopyrightvonvallvitsvpublications.v However,vregisteredvschools/collegesvforvAQAvarevpermittedvtovcopyvmaterialvfromvthisvbookletvforvtheirvown
v internalvuse,vwithvthevfollowingvimportantvexception:vAQAvcannotvgivevpermissionvtovschools/collegesvtovphotocopy vanyvmaterialvthatvisvacknowledgedvtovavthi
rdv partyvevenvforvinternalvusevwithinvthevcentre.
Copyrightv©v2024vAQAvandvitsvlicensors.v Allvrightsvreserved.
2
, MARKvSCHEMEv–vGCSEvCOMBINEDvSCIENCE:vTRILOGYv–v8464/B/1Hv–vJUNEv2024
Information to Examiners
v v
1. General
Thevmarkvschemevforveachvquestionvshows:
• thevmarksvavailablevforveachvpartvofvthevquestion
• thevtotalvmarksvavailablevforvthevquestion
• thevtypicalvanswervorvanswersvwhichvarevexpected
• extravinformationvtovhelpvthevExaminervmakevtheirvjudgement
• thevAssessmentvObjectivesvandvspecificationvcontentvthatveachvquestionvisvintendedvtovcover.
Thevextravinformationvisvalignedvtovthevappropriatevanswervinvthevleft-
handvpartvofvthevmarkvschemevandvshouldvonlyvbevappliedvtovthatvitemvinvthevmarkvscheme.
Atvthevbeginningvofvavpartvofvavquestionvavremindervmayvbevgiven,vforvexample:vwherevconsequentialvmarkin
gvneedsvtovbevconsideredvinvavcalculation;vorvthevanswervmayvbevonvthevdiagramvorvatvavdifferentvplacevonvth
evscript.
Invgeneralvthevright-
handvsidevofvthevmarkvschemevisvtherevtovprovidevthosevextravdetailsvwhichvdovnotvformvthevmainvpartvofvthev
markvschemevyetvmayvbevhelpfulvinvensuringvthatvmarkingvisvstraightforwardvandvconsistentv(forvexample,vav
scientificallyvcorrectvanswervthatvcouldvnotvreasonablyvbevexpectedvfromvavstudent’svknowledgevofvthevspeci
fication).
2. Emboldening and underlining
v v
2.1 Invavlistvofvacceptablevanswersvwherevmorevthanvonevmarkvisvavailablev‘anyvtwovfrom’visvused,vwithvth
evnumbervofvmarksvemboldened.v Eachvofvthevfollowingvbulletvpointsvisvavpotentialvmark.
2.2 Avboldvandvisvusedvtovindicatevthatvbothvpartsvofvthevanswervarevrequiredvtovawardvthevmark.
2.3 Alternativevanswersvacceptablevforvavmarkvarevindicatedvbyvthevusevofvor.
Alternativevwordsvinvthevmarkvschemevarevshownvbyvavsolidusvegvallowvsmoothv/vfreevmovement.
2.4 Anyvwordingvthatvisvunderlinedvisvessentialvforvthevmarkingvpointvtovbevawarded.
3
