
Photosynthesis - LDR
Quiz by Mr R Horn
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18 questions
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- Q1What are the products of the Light-Dependent Reaction (LDR)?Water and hydrogen ionsGlucose and oxygenOxidised NADP and ADPReduced NADP and ATP30s
- Q2When chlorophyll absorbs light energy it loses 2 electrons. Name the correct KEYTERM for this process.PhotoionisationPhotolysisElectron transportChemiosmosis30s
- Q3Light provides the energy to split water molecules. Name the correct KEYTERM for this process.Electron transportPhotoionisationChemiosmosisPhotolysis30s
- Q4The diffusion of hydrogen ions down their electrochemical gradient powers the synthesis of ATP. Name the correct KEYTERM for this process.Electron transportPhotolysisChemiosmosisPhotoionisation30s
- Q5Where exactly does the Light-Dependent ReactionStomaMatrixThylakoid membranesStroma30s
- Q6How do electrons move along the electron transport chainElectrical impulsesDiffusionA series of oxidation and reduction reactionsThrough proton pumps30s
- Q7When a molecule gains electrons (or gains hydrogen, or loses oxygen) this is known as ...OxidationReduction30s
- Q8When a molecule loses electrons (or gains oxygen, or loses hydrogen) this is known as ...ReductionOxidation30s
- Q9During the Light Dependent Reaction the synthesis of ATP is powered by light energy. What is the KEYTERM for this?PhotoionisationPhotolysisSubstrate level phosphorylationPhotophosphorylation30s
- Q10During photosynthesis electrons flow along the electron transport chain (ETC). At the end of the ETC the electrons pass to ....?ADPOxygenWaterNADP30s
- Q11Where are hydrogen ions pumped during the light dependent reaction?From the thylakoid space into the stromaFrom the stroma into the thylakoid spaceOut of the chloroplast's stroma and into the cytoplasmAlong the electron transport chain30s
- Q12ATP is produced when ...electrons are passed to NADPhydrogen ions diffuse down their concentration gradient through ATP synthasewater activates proton pumpselectrons flow along the electron transport chain30s
- Q13True or false? Chloroplasts contain their own DNA and ribosomesTrueFalse30s
- Q14A hydrogen ion is ...a protona neutronan electronan isotope of hydrogen30s
- Q15True or false? Thlakoids are disc-like, membrane-bound compartments that are stacked to form grana.TrueFalse30s