AQA GCSE BIOLOGY PAPER 1 - KEY
FACTS ACTUAL EXAM ALL QUESTIONS
AND WELL ELABORATED ANSWERS
TOP RATED VERSION FOR ALREADY A+
GRADED HIGHLY RECOMMENDED
|NEW AND REVISED
WhatCtypesCofCcellsCareCeukaryotes?C-CCORRECTCANSWERPlantCandCanimal
WhatCfeaturesCdoCbothCplantCandCanimalCcellsChaveCinCcommon?C-
CCORRECTCANSWERCellCmembrane,Cnucleus,Ccytoplasm,CribosomesCandCmitochondria
WhatCisCanCexampleCofCaCprokaryoticCcell?C-CCORRECTCANSWERBacterialCcell
HowCareCeukaryoticCandCprokaryoticCcellsCdifferent?C-CCORRECTCANSWER-
CEukaryoticCareCbiggerCandChaveCtheCDNACcontainedCwithinCaCnucleus
-
CProkaryoticCcellsCareCsmaller,CtheyCallChaveCaCcellCwallCandCtheirCDNACisCinCaCsingleCloopCorCplasmid
s
WhatCisCaCplasmid?C-CCORRECTCANSWERACcircularCringCofCDNAC(foundCinCprokaryoticCcells)
WhatCsub-cellularCstructuresCwouldCyouCfindCinCmostCanimalCcells?C-CCORRECTCANSWER-CNucleus
-CCytoplasm
-CCellCmembrane
-CMitochondria
-CRibosomes
,WhatCextraCsub-
cellularCstructuresCdoCplantCcellsChave,CinCadditionCtoCtheConesCtheyCshareCwithCanimalCcells?C-
CCORRECTCANSWER-CChloroplasts
-CPermanentCvacuoleCfilledCwithCcellCsap
-CCellCwall
WhatCareCcellCwallsCmadeCfrom?C-CCORRECTCANSWERCellulose
WhatCisCtheCfunctionCofCtheCnucleus?C-CCORRECTCANSWERStoreCtheCgeneticCmaterialC(DNA)
WhatCisCtheCfunctionCofCtheCcytoplasm?C-
CCORRECTCANSWERWhereCchemicalCreactionsCtakeCplace
WhatCisCtheCfunctionCofCtheCcellCmembrane?C-
CCORRECTCANSWERLayerCaroundCtheCcellCwhichChelpsCtoCcontrolCsubstancesCenteringCandCleaving
CtheCcell
WhatCisCtheCfunctionCofCtheCmitochondria?C-
CCORRECTCANSWERTheCsiteCofCaerobicCrespiration,CwhichCreleasesCenergy
WhatCisCtheCfunctionCofCtheCribosomes?C-CCORRECTCANSWERWhereCproteinCsynthesisCtakesCplace
WhatCisCtheCfunctionCofCtheCchloroplasts?C-
CCORRECTCANSWERContainsCchlorophyll,CwhichCabsorbsClightCenergyCforCphotosynthesis
WhatCisCtheCfunctionCofCtheCvacuole?C-
CCORRECTCANSWERContainsCcellCsapCandCgivesCsupportCandCstructureCtoCtheCplantCcell
,NameC3CspecialisedCcellsCinCanimalsC-CCORRECTCANSWERSperm,CeggCandCmuscle
NameC3CspecialisedCcellsCinCplantsC-CCORRECTCANSWERRootChairCcells,CxylemCandCphloem
WhatChappensCwhenCaCcellCdifferentiates?C-CCORRECTCANSWERItCacquiresCdifferentCsub-
cellularCstructuresCtoCenableCitCtoCcarryCoutCcertainCfunctionsC-CitCbecomesCspecialised
HowCisCanCelectronCmicroscopeCdifferentCtoCaClightCmicroscope?C-CCORRECTCANSWER-
CHigherCmagnification
-CHigherCresolvingCpower
WhyCareCelectronCmicroscopesCmoreCuseful?C-CCORRECTCANSWER-
CCellsCcanCbeCstudiedCinCfinerCdetail
-CBiologistsCcanCseeCmanyCmoreCsub-cellularCstructures
WhatCisCtheCcalculationCforCmagnification?C-
CCORRECTCANSWERMagnificationC=CsizeCofCimageCdividedCbyCsizeCofCrealCobject
HowCdoCbacteriaCmultiply?C-CCORRECTCANSWERByCbinaryCfission
WhatCareCtheCconditionsCbacteriaCneedCtoCmultiply?C-CCORRECTCANSWER-CWarmth
-CMoisture
-CNutrients
WhatCtwoCwaysCcanCbacteriaCbeCgrownCinCaClab?C-CCORRECTCANSWER-
CInCaCnutrientCbrothCsolution
-CAsCcoloniesConCanCagarCgelCplate
, WhyCdoCweCgrowCbacteriaCinCsterileCconditions?C-CCORRECTCANSWERToCpreventCcontamination
WhatCareCuncontaminatedCculturesCofCmicroorganismsCusedCfor?C-
CCORRECTCANSWERInvestigatingCtheCactionCofCdisinfectantsCandCantibiotics
WhyCareCpetriCdishesCandCcultureCmediaCsterilisedCbeforeCused?C-
CCORRECTCANSWERToCpreventCcontamination
HowCdoCweCsteriliseCinoculatingCloops?C-CCORRECTCANSWERPassCthemCthroughCaCflameC-
CpreventsCcontamination
WhyCdoCweCstoreCagarCplatesCupsideCdown?C-
CCORRECTCANSWERToCpreventCcondensationCdrippingConCtheCbacteriaCandCdestroyingCtheCculture
WhatCtemperatureCareCbacterialCculturesCgrownCatCinCschools?C-
CCORRECTCANSWER25CdegreesCcelsius
WhyCdoCschoolsCnotCincubateCbacterialCculturesCaboveC25CdegreesCcelsius?C-
CCORRECTCANSWERToCpreventCtheCgrowthCofCpathogenicCbacteria
WhatCisCtheCequationCtoCcalculateCtheCareaCofCaCzoneCofCclearance?C-CCORRECTCANSWERπr²
WhatCareCchromosomesCmadeCfrom?C-CCORRECTCANSWERDNA
WhatCareCtheCsectionsCofCDNACknownCas?C-CCORRECTCANSWERGenes
FACTS ACTUAL EXAM ALL QUESTIONS
AND WELL ELABORATED ANSWERS
TOP RATED VERSION FOR ALREADY A+
GRADED HIGHLY RECOMMENDED
|NEW AND REVISED
WhatCtypesCofCcellsCareCeukaryotes?C-CCORRECTCANSWERPlantCandCanimal
WhatCfeaturesCdoCbothCplantCandCanimalCcellsChaveCinCcommon?C-
CCORRECTCANSWERCellCmembrane,Cnucleus,Ccytoplasm,CribosomesCandCmitochondria
WhatCisCanCexampleCofCaCprokaryoticCcell?C-CCORRECTCANSWERBacterialCcell
HowCareCeukaryoticCandCprokaryoticCcellsCdifferent?C-CCORRECTCANSWER-
CEukaryoticCareCbiggerCandChaveCtheCDNACcontainedCwithinCaCnucleus
-
CProkaryoticCcellsCareCsmaller,CtheyCallChaveCaCcellCwallCandCtheirCDNACisCinCaCsingleCloopCorCplasmid
s
WhatCisCaCplasmid?C-CCORRECTCANSWERACcircularCringCofCDNAC(foundCinCprokaryoticCcells)
WhatCsub-cellularCstructuresCwouldCyouCfindCinCmostCanimalCcells?C-CCORRECTCANSWER-CNucleus
-CCytoplasm
-CCellCmembrane
-CMitochondria
-CRibosomes
,WhatCextraCsub-
cellularCstructuresCdoCplantCcellsChave,CinCadditionCtoCtheConesCtheyCshareCwithCanimalCcells?C-
CCORRECTCANSWER-CChloroplasts
-CPermanentCvacuoleCfilledCwithCcellCsap
-CCellCwall
WhatCareCcellCwallsCmadeCfrom?C-CCORRECTCANSWERCellulose
WhatCisCtheCfunctionCofCtheCnucleus?C-CCORRECTCANSWERStoreCtheCgeneticCmaterialC(DNA)
WhatCisCtheCfunctionCofCtheCcytoplasm?C-
CCORRECTCANSWERWhereCchemicalCreactionsCtakeCplace
WhatCisCtheCfunctionCofCtheCcellCmembrane?C-
CCORRECTCANSWERLayerCaroundCtheCcellCwhichChelpsCtoCcontrolCsubstancesCenteringCandCleaving
CtheCcell
WhatCisCtheCfunctionCofCtheCmitochondria?C-
CCORRECTCANSWERTheCsiteCofCaerobicCrespiration,CwhichCreleasesCenergy
WhatCisCtheCfunctionCofCtheCribosomes?C-CCORRECTCANSWERWhereCproteinCsynthesisCtakesCplace
WhatCisCtheCfunctionCofCtheCchloroplasts?C-
CCORRECTCANSWERContainsCchlorophyll,CwhichCabsorbsClightCenergyCforCphotosynthesis
WhatCisCtheCfunctionCofCtheCvacuole?C-
CCORRECTCANSWERContainsCcellCsapCandCgivesCsupportCandCstructureCtoCtheCplantCcell
,NameC3CspecialisedCcellsCinCanimalsC-CCORRECTCANSWERSperm,CeggCandCmuscle
NameC3CspecialisedCcellsCinCplantsC-CCORRECTCANSWERRootChairCcells,CxylemCandCphloem
WhatChappensCwhenCaCcellCdifferentiates?C-CCORRECTCANSWERItCacquiresCdifferentCsub-
cellularCstructuresCtoCenableCitCtoCcarryCoutCcertainCfunctionsC-CitCbecomesCspecialised
HowCisCanCelectronCmicroscopeCdifferentCtoCaClightCmicroscope?C-CCORRECTCANSWER-
CHigherCmagnification
-CHigherCresolvingCpower
WhyCareCelectronCmicroscopesCmoreCuseful?C-CCORRECTCANSWER-
CCellsCcanCbeCstudiedCinCfinerCdetail
-CBiologistsCcanCseeCmanyCmoreCsub-cellularCstructures
WhatCisCtheCcalculationCforCmagnification?C-
CCORRECTCANSWERMagnificationC=CsizeCofCimageCdividedCbyCsizeCofCrealCobject
HowCdoCbacteriaCmultiply?C-CCORRECTCANSWERByCbinaryCfission
WhatCareCtheCconditionsCbacteriaCneedCtoCmultiply?C-CCORRECTCANSWER-CWarmth
-CMoisture
-CNutrients
WhatCtwoCwaysCcanCbacteriaCbeCgrownCinCaClab?C-CCORRECTCANSWER-
CInCaCnutrientCbrothCsolution
-CAsCcoloniesConCanCagarCgelCplate
, WhyCdoCweCgrowCbacteriaCinCsterileCconditions?C-CCORRECTCANSWERToCpreventCcontamination
WhatCareCuncontaminatedCculturesCofCmicroorganismsCusedCfor?C-
CCORRECTCANSWERInvestigatingCtheCactionCofCdisinfectantsCandCantibiotics
WhyCareCpetriCdishesCandCcultureCmediaCsterilisedCbeforeCused?C-
CCORRECTCANSWERToCpreventCcontamination
HowCdoCweCsteriliseCinoculatingCloops?C-CCORRECTCANSWERPassCthemCthroughCaCflameC-
CpreventsCcontamination
WhyCdoCweCstoreCagarCplatesCupsideCdown?C-
CCORRECTCANSWERToCpreventCcondensationCdrippingConCtheCbacteriaCandCdestroyingCtheCculture
WhatCtemperatureCareCbacterialCculturesCgrownCatCinCschools?C-
CCORRECTCANSWER25CdegreesCcelsius
WhyCdoCschoolsCnotCincubateCbacterialCculturesCaboveC25CdegreesCcelsius?C-
CCORRECTCANSWERToCpreventCtheCgrowthCofCpathogenicCbacteria
WhatCisCtheCequationCtoCcalculateCtheCareaCofCaCzoneCofCclearance?C-CCORRECTCANSWERπr²
WhatCareCchromosomesCmadeCfrom?C-CCORRECTCANSWERDNA
WhatCareCtheCsectionsCofCDNACknownCas?C-CCORRECTCANSWERGenes