Chloroplasts and the light-dependent stage

Chloroplasts and the light-dependent stage Quiz

Spec 5.7 · Edexcel A-Level Biology B: Quiz

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  1. 1. Where does the light-dependent stage take place?

    • A. Stroma
    • B. Envelope
    • C. Thylakoid membranes
    • D. Cytoplasm

  2. 2. What is the source of the oxygen released in photosynthesis?

    • A. Carbon dioxide
    • B. Water
    • C. Glucose
    • D. ATP

  3. 3. Which is made only in non-cyclic photophosphorylation?

    • A. ATP
    • B. Reduced NADP
    • C. ADP
    • D. Hydrogen ions

  4. 4. What drives ATP synthase in the thylakoid membrane?

    • A. The flow of hydrogen ions down a gradient
    • B. The splitting of glucose
    • C. The movement of oxygen
    • D. The absorption of carbon dioxide

  5. 5. Why does cyclic photophosphorylation not release oxygen?

    • A. Because oxygen is used up
    • B. Because carbon dioxide is absent
    • C. Because ATP is not made
    • D. Because water is not split

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