AQA GCSE Combined Science Biology
with correct answers 2025
Whatvisvthevfunctionvofvthevnucleus?v-vcorrect-answers-ContainsvDNAvtovcontrolvthevcell
Whatvisvthevfunctionvofvthevcellvmembrane?v-vcorrect-answers-
Controlsventryvandvexitvofvsubstances
Whatvisvthevfunctionvofvthevcellvwall?v-vcorrect-answers-Providesvstructurevandvsupport
Whatvisvthevfunctionvofvmitochondria?v-vcorrect-answers-Carryvoutvrespirationvtovreleasevenergy
Whatvisvthevfunctionvofvribosomes?v-vcorrect-answers-Proteinvsynthesis
Whatvisvthevfunctionvofvchloroplasts?v-vcorrect-answers-Carryvoutvphotosynthesis
Whatvisvthevfunctionvofvavvacuole?v-vcorrect-answers-Containsvcellvsap
Definevavprokaryotev-vcorrect-answers-Avcellvthatvdoesvnotvhavevavnucleus
,Definevaveukaryotev-vcorrect-answers-AvcellvthatvhasvDNAvinvavnucleus
Namevtwovcellvstructuresvthatvarevinvaveukaryotevbutvnotvinvavprokaryotev-vcorrect-answers-
Nucleus,vmitochondria,vchloroplasts
Whatvisvavplasmid?v-vcorrect-answers-AvsmallvloopvofvDNAvinvbacteria
Whatvisvavplantvcellvwallvmadevfrom?v-vcorrect-answers-Cellulose
HowvisvDNAvstoredvinvavbacterialvcell?v-vcorrect-answers-Asvavsingle,vfree-
floatingvloop;valsovonvplasmids
Whatvisvdifferentiation?v-vcorrect-answers-Thevprocessvbyvwhichvcellsvbecomevspecialised
Whatvisvthevequationvforvmagnification?v-vcorrect-answers-
Magnificationv=vImagevSizev÷vActualvSize
Avphotographvofvavcellvisv15mmvlong.vItvhasvavmagnificationvofv1100x.vWhatvisvthevactualvsize?v-
vcorrect-answers-0.0136mm,vorv13.6µm
Avcellvisv12µmvwide.vItvisvmagnifiedvbyv450vtimes.vHowvbigvisvthevimage?v-vcorrect-answers-
5400µm,vorv5.4mm
Ifvthevimagevofvavvirusvisv1.2mm,vandvitsvactualvsizevisv0.2µm,vhowvmuchvhasvitvbeenvmagnifiedvby?v
-vcorrect-answers-6000vtimes
Convertv38500µmvintovmmv-vcorrect-answers-38.5mm
, Howvmanyvµmvarevinv1mm?v-vcorrect-answers-1000
Writev17400mvinvstandardvformv-vcorrect-answers-1.74vxv10^4vm
Writev0.0034vinvstandardvformv-vcorrect-answers-3.4vxv10^-3
Howvisvavspermvcellvadaptedvforvitsvfunction?v-vcorrect-answers-Itvhasvavtailvtovswimvtovthevegg
Howvisvavnervevcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvavlongvaxonvtovconductvimpulsesvovervlongvdistances
Howvisvavmusclevcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvcanvcontractvtovcausevmovement
Howvisvavrootvhairvcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvavlargevsurfacevareavtovincreasevosmosisvofvwater
Howvisvavxylemvcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvhollowvendsvtovtransportvwater
Howvisvavphloemvcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvsievevtubesvtovtransportvsugars
Whatvisvavstemvcell?v-vcorrect-answers-
Anvundifferentiatedvcellvthatvcanvdifferentiatevtovbecomevanyvtypevofvspecialisedvcell
with correct answers 2025
Whatvisvthevfunctionvofvthevnucleus?v-vcorrect-answers-ContainsvDNAvtovcontrolvthevcell
Whatvisvthevfunctionvofvthevcellvmembrane?v-vcorrect-answers-
Controlsventryvandvexitvofvsubstances
Whatvisvthevfunctionvofvthevcellvwall?v-vcorrect-answers-Providesvstructurevandvsupport
Whatvisvthevfunctionvofvmitochondria?v-vcorrect-answers-Carryvoutvrespirationvtovreleasevenergy
Whatvisvthevfunctionvofvribosomes?v-vcorrect-answers-Proteinvsynthesis
Whatvisvthevfunctionvofvchloroplasts?v-vcorrect-answers-Carryvoutvphotosynthesis
Whatvisvthevfunctionvofvavvacuole?v-vcorrect-answers-Containsvcellvsap
Definevavprokaryotev-vcorrect-answers-Avcellvthatvdoesvnotvhavevavnucleus
,Definevaveukaryotev-vcorrect-answers-AvcellvthatvhasvDNAvinvavnucleus
Namevtwovcellvstructuresvthatvarevinvaveukaryotevbutvnotvinvavprokaryotev-vcorrect-answers-
Nucleus,vmitochondria,vchloroplasts
Whatvisvavplasmid?v-vcorrect-answers-AvsmallvloopvofvDNAvinvbacteria
Whatvisvavplantvcellvwallvmadevfrom?v-vcorrect-answers-Cellulose
HowvisvDNAvstoredvinvavbacterialvcell?v-vcorrect-answers-Asvavsingle,vfree-
floatingvloop;valsovonvplasmids
Whatvisvdifferentiation?v-vcorrect-answers-Thevprocessvbyvwhichvcellsvbecomevspecialised
Whatvisvthevequationvforvmagnification?v-vcorrect-answers-
Magnificationv=vImagevSizev÷vActualvSize
Avphotographvofvavcellvisv15mmvlong.vItvhasvavmagnificationvofv1100x.vWhatvisvthevactualvsize?v-
vcorrect-answers-0.0136mm,vorv13.6µm
Avcellvisv12µmvwide.vItvisvmagnifiedvbyv450vtimes.vHowvbigvisvthevimage?v-vcorrect-answers-
5400µm,vorv5.4mm
Ifvthevimagevofvavvirusvisv1.2mm,vandvitsvactualvsizevisv0.2µm,vhowvmuchvhasvitvbeenvmagnifiedvby?v
-vcorrect-answers-6000vtimes
Convertv38500µmvintovmmv-vcorrect-answers-38.5mm
, Howvmanyvµmvarevinv1mm?v-vcorrect-answers-1000
Writev17400mvinvstandardvformv-vcorrect-answers-1.74vxv10^4vm
Writev0.0034vinvstandardvformv-vcorrect-answers-3.4vxv10^-3
Howvisvavspermvcellvadaptedvforvitsvfunction?v-vcorrect-answers-Itvhasvavtailvtovswimvtovthevegg
Howvisvavnervevcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvavlongvaxonvtovconductvimpulsesvovervlongvdistances
Howvisvavmusclevcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvcanvcontractvtovcausevmovement
Howvisvavrootvhairvcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvavlargevsurfacevareavtovincreasevosmosisvofvwater
Howvisvavxylemvcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvhollowvendsvtovtransportvwater
Howvisvavphloemvcellvadaptedvforvitsvfunction?v-vcorrect-answers-
Itvhasvsievevtubesvtovtransportvsugars
Whatvisvavstemvcell?v-vcorrect-answers-
Anvundifferentiatedvcellvthatvcanvdifferentiatevtovbecomevanyvtypevofvspecialisedvcell
