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The effect of temperature on cellular respiration in small organisms: practical

Quiz by Oak National Academy: GCSE Biology Edexcel Higher

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6 questions
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  • Q1
    Look at the unbalanced equation for aerobic respiration. Which number in front of the CO_2 and H_2O would balance the equation?
    Question Image
    4
    8
    6
    2
    30s
  • Q2
    The rate of cellular respiration is affected by temperature. Which is the best explanation for this?
    Cellular respiration is exothermic.
    Cellular respiration is catalysed by enzymes.
    Chemical reactions are all affected by temperature.
    Organisms can die if they get too cold or too hot.
    30s
  • Q3
    The diagram shows part of the apparatus used in the investigation. What is the function of the soda lime?
    Question Image
    to provide carbon dioxide for cellular respiration
    to absorb oxygen from cellular respiration
    to provide oxygen for cellular respiration
    to absorb carbon dioxide from cellular respiration
    30s
  • Q4
    The water bath in the apparatus is needed to keep the temperature constant because respiration is an exothermic reaction. Which statement about exothermic reactions is correct?
    Question Image
    To start the reaction, it needs to be cooled.
    An exothermic reaction transfers heat to the environment.
    To start the reaction, heat is needed.
    An exothermic reaction absorbs heat from the environment.
    30s
  • Q5
    The apparatus shown can be used to measure the effect of temperature on the rate of respiration. The steps of the method to use this apparatus are in the wrong order.
    Question Image
    Users link answers
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    30s
  • Q6
    Match the words to their correct meaning.
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    30s

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