AQA GCSE BIOLOGY - PAPER 1 EXAM FULLY SOLVED & UPDATED (LATEST VERSION VERIFIED FOR ACCURACY) (QUESTIONS + ANSWERS) SOLVED 100% CORRECT!!

AQA GCSE BIOLOGY - PAPER 1 EXAM
FULLY SOLVED & UPDATED 2026-2027
(LATEST VERSION VERIFIED FOR
ACCURACY) (QUESTIONS + ANSWERS)
SOLVED 100% CORRECT!!
WhatUdoesUaUnucleusUdo?U-
UCORRECTUANSWERItUcontainsUgeneticUmaterialUandUcontrolsUtheUactivitiesUofUtheUcell




WhatUdoesUcytoplasmUdo?U-UCORRECTUANSWERIt'sUaUgel-
likeUsubstanceUwhereUmostUofUtheUchemicalUreactionsUhappen.UItUcontainsUenzymesUthatUcontrolU
theseUchemicalUreactions



WhatUdoesUaUcellUmembraneUdo?U-
UCORRECTUANSWERItUholdsUtheUcellUtogetherUandUcontrolsUwhatUgoesUinUandUout




WhatUdoUmitochondriaUdo?U-
UCORRECTUANSWERTheseUareUwhereUmostUofUtheUreactionsUforUaerobicUrespirationUoccur.URespir


ationUtransfersUenergyUthatUtheUcellUneedsUtoUwork



WhatUdoUribosomesUdo?U-UCORRECTUANSWERThisUisUwhereUproteinUsynthesisUtakesUplaceU-
UwhereUproteinsUareUmadeUinUtheUcell




WhatUdoUcellUwallsUdo?U-
UCORRECTUANSWERTheyUareUmadeUofUcelluloseUandUtheyUsupportUandUstrengthenUtheUcell




WhatUdoesUaUvacuoleUdo?U-
UCORRECTUANSWERItUcontainsUcellUsapUandUhelpsUmaintainUtheUshapeUofUtheUcell

,WhatUdoUchloroplastsUdo?U-
UCORRECTUANSWERThisUisUwhereUphotosynthesisUoccurs,UwhichUmakesUfoodUforUtheUplant.UTheyU


containUchlorophyllU-UaUgreenUpigmentU-UwhichUabsorbsUlightUneededUforUphotosynthesis



WhatUdoUbacterialUcellsUcontain?U-
UCORRECTUANSWERCytoplasm,UcellUmembrane,UcellUwall,Uflagella,Uribosomes,Umitochondria,Usli


meUcapsule,UplasmidsU(smallUringsUofUDNA)UandUaUsingleUcircularUstrandUofUDNAUthatUfloatsUfreelyU
inUtheUcytoplasm



WhatUdoUbacterialUcellsUNOTUcontain?U-UCORRECTUANSWERAUnucleus



WhatUisUtheUequationUforUmagnification?U-UCORRECTUANSWERImageUsizeUdividedUbyUactualUsize



WhatUisUdifferentiation?U-
UCORRECTUANSWERTheUprocessUbyUwhichUaUcellUchangesUtoUbecomeUspecialisedUforUitsUjob




WhatUareUundifferentiatedUcellsUcalled?U-UCORRECTUANSWERStemUcells



WhatUareUspermUcellsUspecialisedUforUandUhowUareUtheyUspecialised?U-
UCORRECTUANSWERReproductionU-UtheyUtransportUtheUmaleUDNAUtoUtheUfemaleUDNA



-ItUhasUaUflagellaUandUaUstreamlinedUheadUtoUhelpUitUswimUtowardsUtheUegg

-ThereUareUlotsUofUmitochondriaUinUtheUcellUtoUprovideUtheUenergyUneeded

-ItUcarriesUenzymesUinUitsUheadUtoUhelpUdigestUthroughUtheUeggUcellUmembranes



WhatUareUnerveUcellsUspecialisedUforUandUhowUareUtheyUspecialised?U-
UCORRECTUANSWERRapidUsignallingU-


UtheyUcarryUelectricalUsignalsUfromUoneUpartUofUtheUbodyUtoUanother



-TheyUareUlongUtoUcoverUmoreUdistance

,-
TheyUhaveUbranchedUconnectionsUatUtheirUendsUtoUconnectUtoUotherUnerveUcellsUandUformUaUnetw
orkUthroughoutUtheUbody



WhatUareUmuscleUcellsUspecialisedUforUandUhowUareUtheyUspecialised?U-
UCORRECTUANSWERContractionU-UtheyUneedUtoUcontractUquickly



-TheyUareUlongUsoUtheyUhaveUspaceUtoUcontract

-TheyUcontainUlotsUofUmitochondriaUtoUgenerateUtheUenergyUneededUforUcontraction



WhatUareUrootUhairUcellsUspecialisedUforUandUhowUareUtheyUspecialised?U-
UCORRECTUANSWERAbsorbingUwaterUandUminerals



-
TheyUareUcellsUonUtheUsurfaceUofUplantUrootsUwhichUgrowUintoUlongUhairsUthatUstickUoutUintoUtheUs
oil

-TheyUhaveUaUlargeUsurfaceUareaUforUabsorbingUwaterUandUmineralUionsUfromUtheUsoil



WhatUareUchromosomes?U-
UCORRECTUANSWERCoiledUupUlengthsUofUDNAUmoleculesUthatUareUfoundUinUtheUnuclei




WhatUdoUmulticellularUorganismsUuseUmitosisUfor?U-
UCORRECTUANSWERToUgrowUorUreplaceUcellsUthatUhaveUbeenUdamaged




WhatUareUstemUcells?U-
UCORRECTUANSWERTheyUareUundifferentiatedUcellsUthatUdivideUtoUproduceUlotsUmoreUundifferent


iatedUcells.UTheyUthenUdifferentiateUintoUdifferentUtypesUofUcell



WhereUareUstemUcellsUfound?U-
UCORRECTUANSWERInUearlyUhumanUembryosUorUtheUboneUmarrowUofUadults

, WhatUdoUembryonicUstemUcellsUdo?U-
UCORRECTUANSWER1)UUsedUtoUreplaceUfaultyUcellsUinUsickUpeopleU-Uinsulin-


producingUcellsUforUdiabetesUandUnerveUcellsUforUparalysedUspinalUinjuries

2)UUsedUtoUreplaceUfaultyUbloodUcells



WhatUisUdiffusion?U-
UCORRECTUANSWERDiffusionUisUtheUmovementUofUparticlesUfromUanUareaUofUhighUconcentrationUt


oUanUareaUofUlowUconcentration



NameUtheUsubstancesUthatUcanUdiffuseUthroughUcellUmembranesU-
UCORRECTUANSWERGlucose,Uwater,UoxygenUandUaminoUacids




NameUtwoUsubstancesUthatUcan'tUdiffuseUthroughUcellUmembranesU-
UCORRECTUANSWERProteinUandUstarch




WhatUisUosmosis?U-
UCORRECTUANSWEROsmosisUisUtheUpassiveUmovementUofUwaterUmoleculesUthroughUaUpartiallyUp


ermeableUcellUmembraneUfromUanUareaUofUhighUwaterUconcentrationUtoUanUareaUofUlowUwaterUco
ncentration



WhatUareUtheUtwoUmainUdifferencesUbetweenUactiveUtransportUandUdiffusion?U-
UCORRECTUANSWERActiveUtransportUusesUenergyUwhereasUdiffusionUdoesn't.UActiveUtransportUgo


esUagainstUtheUconcentrationUgradientUwhereasUdiffusionUgoesUalongUit



AdaptationsUofUExchangeUSurfacesU-UCORRECTUANSWER1)ULargeUsurfaceUareaU-
UlotsUofUsubstancesUcanUdiffuseUatUonce



2)ULotsUofUbloodUvesselsU-UtoUgetUstuffUintoUandUoutUofUtheUbloodUquickly

3)UThinUmembraneU-UshortUdistanceUforUsubstancesUtoUdiffuse

4)UOftenUventilatedU-UairUmovesUinU&Uout