Overview of photosynthesis and ATP

Overview of photosynthesis and ATP Quiz

Spec 5.1–2 · Edexcel International A Level Biology: Quiz

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  1. 1. Which molecule is the source of the oxygen released in photosynthesis?

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

  2. 2. How many moles of glucose are made when 1.8 mol of oxygen are released?

    • A. 0.30 mol
    • B. 0.60 mol
    • C. 1.8 mol
    • D. 10.8 mol

  3. 3. What is photophosphorylation?

    • A. The splitting of water by light
    • B. The breakdown of ATP to ADP and Pi
    • C. The reduction of carbon dioxide
    • D. The formation of ATP from ADP and Pi using light energy

  4. 4. Which is the correct equation for the hydrolysis of ATP?

    • A. ADP + Pi → ATP + H₂O
    • B. ATP + H₂O → ADP + Pi
    • C. ATP → ADP + Pi + H₂O
    • D. ATP + Pi → ADP

  5. 5. Which statement about ATP is correct?

    • A. It is a long-term energy store
    • B. It releases a large amount of energy in many steps
    • C. It is the immediate energy supply, releasing a small amount of energy in one step
    • D. It is made from glucose and water only

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