2023 EFSS SEC3EXP Geog EOY MS

1 MarkingSchemefor2023Sec3GeographyElectiveEOYExam Question Answer Marks1(a) Thenightbazaareventwasheldbetween1Augustto18August2023ontheopenspacenexttotheHougangMRTstation.ThereweremanystallswhichselladiverserangeoffoodfromwhichoriginatefromdifferentcountriesinAsia. StudyFig.1.1whichshowsoneofthestallsinthenightbazaarsellingstinkytofu. WithreferencetoFig.1.1,suggestwhythenightbazaarcouldaffecttheHougangresidents’senseofplace. Award1markforeachsuggestedreasonofhowthenightbazaarcouldaffecttheresidents’senseofplace,toamaximumof3marks.Awardamaximumof1additionalmarkforfurtherdevelopmentofeachreason,whereapplicable. Possibleresponsesinclude:● ThenightbazaarwasheldneartotheHougangMRTstation,whichhelpsresidentstorememberthatasignificanteventwasheldneartotheirhomes,whereresidentscaninteractandbebondedtogether, enhancingtheirsenseofplace.[1mark].● Thestallsinthenightbazaarselladiverserangeoffoodwhichappealtomanyoftheresidentswhomighthavemissedthefoodtheyhadindifferentcountriesandcouldnotaccessthefoodifthereisnonightbazaar.[1additionalmark].● Residents’senseofplacemaybenegativelyaffected,asthesmellofthestinkytofuwasunpleasantandaffectedtheresidentslivingneartothenightbazaar.[1mark]. AO2 3

2 Question Answer Marks1(b)(i) StudyFig. 1.2, whichshowstypesof firesinresidential premisesinSingaporein2020and2021. UsingFig. 1.2, comparethetypesof fireinresidential premisesbetween2020and2021. Award1markforeachcomparisonuptoamaximumof4marks.Awardamaximumof1additionalmarkforfurtherdevelopmentofeachcomparison,whereapplicable. Possibleresponsesinclude:Similarity● Forboth2020and2021,unattendedcookingcausedthehighestnumberoffiresat375firesin2020and358firesin2021. Differences● From2020to2021,decreaseinthenumberoffiresat17(375-358)fromunattendedcookingand48(193-145)fromdiscardedcontents.[1mark]butIncreaseof5fires(185to192)fromelectricaland17fires(166to183)fromhouseholdcontents.[1additionalmark]● Greaterdecreaseinfiresbetween2020and2021isfromdiscardeditemsincommonareasat48ascomparedtounattendedcookingasonly17.[1mark]● Greaterincreaseinfiresbetween2020and2021isfromhouseholdcontentsat17ascomparedtoelectricalwhichisonly5.[1mark]● Decreaseinnumberoffiresforalltypesfrom921in2020to878in2021.[1mark]● Decreaseinfiresfromunattendedcookingfrom375in2020to358in2021.[1mark]● Decreaseinfiresfromdiscardeditemsincommonareasfrom193in2020to145in2021.[1mark]● Increaseinfiresfromelectricalfrom187in2020to192in2021.[1mark]● increaseinfiresfromhouseholdcontentfrom166in2020to183in2021.[1mark] AO2. 4

3 Question Answer Marks1(b)(ii) Explainhowdevelopingcommunityresiliencecanhelpinmanagingtherisksfromfiresinresidential premises. Award1markforeachexplanationofhowcommunityresiliencecanhelptomanagerisksfromresidentialfiresAwardamaximumof1additionalmarkforfurtherdevelopmentofeachexplanation,whereapplicable. Possibleresponsesinclude:• InSingapore,CommunityFirstResponders(CFRs)volunteersareimportantinsupportingthegovernmentinsearchandrescueoperations,reliefworkaswellaseducatingthepubliconsimplefirst-aidandbasicfirefighting.[1mark]• TheCommunityFirstResponders(Fire)arealertedtominorrubbishchutesandbinfireswithintheirimmediatevicinityandhelpputoutthefires.[1mark]• ThishelpsSCDFoptimizeitsemergencyresourcestoattendtolife-threateningandotherhigher-prioritycases.[1mark]• Theresidentsalsohelpedtopreventfiresbynotdiscardingitemsincommonareas.[1mark] AO1 4

4 Question Answer Marks1(c) StudyFig. 1.3(insert), whichshowssomefocusareasof theHDBGreenTownsProgramme. UsingFig. 1.3, explainhowthefeaturescanhelpurbanneighbourhoodstobesustainedenvironmentally. Award1markforeachexplanationofhowthefeaturescontributetoenvironmentalsustainability,toamaximumof4marks.Awardamaximumof1additionalmarkforfurtherdevelopmentofeachexplanation,whereapplicable. Possibleresponsesinclude:● Motion-sensor SMARTLEDlightingincommonareasthatbrightenwhenmovement isdetected helps in energy conservationascommonareasneednotbelitforlongperiodsoftimethroughthenightasitonlylightsupwhenmovementisdetected. This resultsinlessenergyusedtolight upcommonareas.[1mark]● Urban water harvesting systemcollects rainwater andusesit for blockwashinghelpswiththe conservation of waterandreducesoverall waterconsumption.[1mark]● TheplantingofgreeneryonrooftopsofHDBblockshelpstolower buildingtemperatures which in turn reduces the need to turn on fans andair-conditioners.Thisisturnhelpstoreduceindividualhouseholdenergyconsumption.[1mark]● The use of cool paint helps to lower the temperature in theneighborhood, thus reducing energy consumption in the use ofappliancessuchasfansandair-conditioning.[1mark].● Useof solar panelsenablesconversiontoelectricitytopowersupplyforhouseholds, thus reducing the need to burn fossil fuel for energyconsumption. AO2 4 Question Answer Marks1d) StudyFig. 1.4(insert), whichshowsaninfographiconhowmangroveprovidesvariousecosystemservices. WithreferencetoFig. 1.4, explainhowmangrovecontributestotheprovisioningandregulatingecosystemservices. Award1markforeachexplanationofhowmangrovecontributestooneecosystemservices,toamaximumof4marks. Possibleresponsesinclude:● Themangroveprovidesprovisioningservicessuchasfishingwhichprovidesfoodforpeople.[1mark]● Themangrovealsoprovidesprovisioningservicessuchasmedicineaswellasfuelandtimberfromthetrees.[1mark]● Themangroveprovides regulatingservicesforpeopleasthecarbondioxideisabsorbed throughphotosynthesis.[1mark].● Mangrovealsoprovides regulatingservicessuchasregulatingwaterqualityandcoastalprotection.[1mark] AO1 4

5 Question Answer Marks1(e) Aclassof16studentswantedtofindoutthelevelsofsatisfactionofuseofthefacilitiesinPunggolbytheresidentsofPunggol.TheydecidedtoconductaquestionnairesurveyonaSaturday. Theyweredivided intofourgroupsforthesurveywithtwogroupsinthemorningandtwogroupsintheafternoon.OnegroupstationedthemselvesoutsidetheMRTstationandanothergroupatthebusinterchange.Thestudentssurveyedthefirst100peopletheysaw. TheyconcludedfromthefindingsshowninTable1.1thattheresidentsofPunggolhasahighlevelofsatisfactionofuseofthefacilitiesinPunggol. WithreferencetoTable1.1,evaluatethevalidityofthedatacollectionregardingthesatisfactionofuseofthefacilitiesinPunggolbyitsresident. Award1markforeachexplanationfororagainstthereliabilityofthedatacollectionmethod,toamaximumof4marks.Awardamaximumof1additionalmarkforfurtherdevelopmentofeachexplanation,whereapplicable.Possibleresponsesinclude: Valid:● Alargesamplesizewhichisrepresentativeof100peoplewhowere interviewed[1mark].● Awiderangeofscale(levelofsatisfaction)forrespondentstochoose.● Majorityofthepeoplearesomewhatorverysatisfiedatanaveragescoreof55.8whichshowsthattheirconclusionisthat residentsofPunggolhave ahighlevelofsatisfactionintheuseofthefacilitiesinPunggol.[1mark ] Notvalid:● Thereisnoindicationinthesurveytocheckifthosei nterviewedareresidentsofPunggol.[1mark].● Therespondentswerenotselectedrandomly(conveniencesampling)thusthesamplemightnotberepresentativeofPunggol[1mark].● Thus,s tudentsmightalsohaveinterviewedthesamepersonmorethanonce[1additionalmark].● Thestudentsdidnotensurethatthereisamixofrespondents,thusthismightaffectthesample’srepresentation[1mark].● Majoritywereneutralintheirresponsesat32.8choseneithers atisfactionordissatisfaction.[1additionalmark]● Datacollectedisonlyforaweekend(Saturday)on2separatesessions(morningandnoon)whichmightrenderthedatatobenotrepresentative. AO3 6

6 Question Answer Marks2(a)(i) UsingTable2.1, calculatethetemperaturerangeat locationsAandB. [2] Award1markforeachcorrectcalculationoftemperaturerange. TemperaturerangeatlocationA:……7…°C TemperaturerangeatlocationB:……28…C A02 2 2(a)(ii) UsingFig.1andTable1,explainthetemperaturedifferencebetweenlocationsAandB. Award1markforexplanationoftemperaturedifference,toamaximumof4marks. Possibleresponsesinclude:● AisclosetothePacificOcean,whereasBisfurtherinland/500metresawayfromthecoast.[1mark]● Ahaswarmerwintersandcoolersummers/Ahasasmallerannualrangeof7°C,thisisduetothemaritimeeffectasthesea losesheatandabsorbs heatslowly.[1mark]● However,Bhasacontinentaleffectasitloses heatandabsorbs heatslowly.●