Respiration

Respiration Quiz

Spec 8.9–11 · Edexcel GCSE Biology: Quiz

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5 questions, one answer each

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  1. 1. Type of reaction is respiration?

    • A. Endothermic
    • B. Exothermic
    • C. Neutralisation
    • D. Photochemical

  2. 2. Products of aerobic respiration?

    • A. Lactic acid only
    • B. Ethanol and CO2
    • C. Carbon dioxide and water
    • D. Glucose and oxygen

  3. 3. Runner's muscles produce lactic acid during a sprint. Indicates?

    • A. Maximum aerobic respiration
    • B. Switch to anaerobic respiration due to insufficient oxygen
    • C. Respiration has stopped
    • D. Ethanol/CO2 production

  4. 4. Why use a control in the respiration practical?

    • A. Speed reaction
    • B. Provide extra oxygen
    • C. Account for gas change not from respiration
    • D. Keep temperature constant

  5. 5. Why does aerobic respiration release more energy than anaerobic?

    • A. Anaerobic fully breaks down glucose
    • B. Aerobic fully breaks down glucose using oxygen
    • C. Both release identical energy
    • D. Anaerobic uses oxygen more efficiently

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