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UNIVERSITYOFCAMBRIDGEINTERNATIONALThismarkschemeispublishedasanaidtoteachersandstudents,toindicatetherequirementsoftheexamination.ItshowsthebasisonwhichExaminerswereinitiallyinstructedtoawardmarks.ItdoesnotindicatethedetailsofthediscussionsthattookceatanExaminers’meetingbeforemarkingbegan.AnysubstantialchangestothemarkschemethatarosefromthesediscussionswillberecordedinthepublishedReportontheAllExaminersareinstructedthatalternativecorrectanswersandunexpectedapproachesincandidates’scriptsmustbegivenmarksthatfairlyreflecttherelevantknowledgeandskillsMarkschemesmustbereadonjunctionwiththequestionpapersandtheReportontheCIEwillnotenterintodiscussionorcorrespondence onnectionwiththesemarkCIEispublishingthemarkschemesfortheNovember2004questionpapersformostIGCSEandGCEAdvancedLevelsyllabuses.GradethresholdstakenforSyllabus0610(Biology)intheNovember2004minimummarkrequiredforACEFThethreshold(minimummark)forBissethalfwaybetweenthoseforGradesAandC.Thethreshold(minimummark)forDissethalfwaybetweenthoseforGradesCandE.Thethreshold(minimummark)forGissetasmanymarksbelowtheFthresholdastheEthresholdisaboveit.GradeA*doesnotexistatthelevelofanindividualNovemberMARKUMMARK:PONENT:0610/05PageBIOLOGY–NOVEMBER(a)(i)(exposedsurface)darkand(unexposedsurface) ()1markforbothcolourscorrect1markforeachcorrectpH2-8-3(i)ruledlinesanddarkindish A1ismoreacidicthanB1;enzyme(involved);producescolouredproduczymeworks,inalkalineonexposureto maxsuitablemethodtoexcludeoxygen;estinair(forcomparison);samesurfaceareaoftissueexposed;suitablepH; maxPageBIOLOGY–NOVEMBER(b) Allowecfforconclusion orrectiodinestarchbiuretstaysblue/nodoesnotturnprotein4()use/add,Benedict'sreagent;colourchangeto, [Total(a)(i)Drawing-[seesupervisor'sclearoutlineatleast10cminonedirection;shape(showingatleast3leaflets);detailof(detail)onapairof -any4lamina/leafbladepetiole/leafstalk (maxmaxmaxPageBIOLOGY–NOVEMBER()2broadleaf/mainmidriworkof2(b)(i)upperlowerepidermis;palisade(layer);spongy(layer);bothandonlypalisadeandspongystatedto orlabelledasmesophyll; max4()airspace/stoma/guard ()Correctmeasurementmustbeseentogain3Nounits,max2.Unitsmustbeseenatleastoncefor3.Correctanswerwithnoworking=2ticks=2marks. 2marks thickness[95-106mm/9.5-10.6÷bycorrectanswer[0.475-0.53mm/0.0475-0.053 max[Total劍橋大學(xué)國際考試國際普通中等教育證書計劃2004年11月試0610CIEIGCSEGCE2004112004110610（生物學(xué)）B（最低分）ACD（最低分）CE。G（最低分）EFFA*GCSE課程大綱/組件：0610/05（實踐3 AB四酶制劑；暴露于空氣中；最