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Photosynthesis - LDR

Quiz by Mr R Horn

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18 questions
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  • Q1
    What are the products of the Light-Dependent Reaction (LDR)?
    Water and hydrogen ions
    Glucose and oxygen
    Oxidised NADP and ADP
    Reduced NADP and ATP
    30s
  • Q2
    When chlorophyll absorbs light energy it loses 2 electrons. Name the correct KEYTERM for this process.
    Photoionisation
    Photolysis
    Electron transport
    Chemiosmosis
    30s
  • Q3
    Light provides the energy to split water molecules. Name the correct KEYTERM for this process.
    Electron transport
    Photoionisation
    Chemiosmosis
    Photolysis
    30s
  • Q4
    The diffusion of hydrogen ions down their electrochemical gradient powers the synthesis of ATP. Name the correct KEYTERM for this process.
    Electron transport
    Photolysis
    Chemiosmosis
    Photoionisation
    30s
  • Q5
    Where exactly does the Light-Dependent Reaction
    Stoma
    Matrix
    Thylakoid membranes
    Stroma
    30s
  • Q6
    How do electrons move along the electron transport chain
    Question Image
    Electrical impulses
    Diffusion
    A series of oxidation and reduction reactions
    Through proton pumps
    30s
  • Q7
    When a molecule gains electrons (or gains hydrogen, or loses oxygen) this is known as ...
    Oxidation
    Reduction
    30s
  • Q8
    When a molecule loses electrons (or gains oxygen, or loses hydrogen) this is known as ...
    Reduction
    Oxidation
    30s
  • Q9
    During the Light Dependent Reaction the synthesis of ATP is powered by light energy. What is the KEYTERM for this?
    Photoionisation
    Photolysis
    Substrate level phosphorylation
    Photophosphorylation
    30s
  • Q10
    During photosynthesis electrons flow along the electron transport chain (ETC). At the end of the ETC the electrons pass to ....?
    Question Image
    ADP
    Oxygen
    Water
    NADP
    30s
  • Q11
    Where are hydrogen ions pumped during the light dependent reaction?
    Question Image
    From the thylakoid space into the stroma
    From the stroma into the thylakoid space
    Out of the chloroplast's stroma and into the cytoplasm
    Along the electron transport chain
    30s
  • Q12
    ATP is produced when ...
    electrons are passed to NADP
    hydrogen ions diffuse down their concentration gradient through ATP synthase
    water activates proton pumps
    electrons flow along the electron transport chain
    30s
  • Q13
    True or false? Chloroplasts contain their own DNA and ribosomes
    True
    False
    30s
  • Q14
    A hydrogen ion is ...
    a proton
    a neutron
    an electron
    an isotope of hydrogen
    30s
  • Q15
    True or false? Thlakoids are disc-like, membrane-bound compartments that are stacked to form grana.
    True
    False
    30s

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