Skip to content
    Biology A-Level

    respirometer

    What respirometer means in Biology A-Level, as defined for AQA, OCR.

    Definitions of respirometer

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

    Read the wording for your board, then hide it and explain respirometer in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Apparatus in which carbon dioxide is absorbed by potassium hydroxide or soda lime, so the liquid movement in the manometer measures oxygen uptake alone.
    AQA · Respiration (A-level only) (study guide)
    Used to measure oxygen uptake, whereas gas collection or an indicator measures carbon dioxide release.
    OCR · Respiration (study guide)

    Topics that use respirometer

    Related terms

    Using respirometer in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Biology questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Biology A-Level terms