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Effect of osmosis and sugar concentration on the mass of plant tissue: analysis

Quiz by Oak National Academy: GCSE Biology AQA Higher

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6 questions
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  • Q1
    Calculate the change in mass, in grams (g), for the potato chip in sugar solution at a concentration of 0.25 mol/dm^3.
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    30s
  • Q2
    Calculate the percentage change in mass (%) for the potato chip in sugar solution at a concentration of 0.25 mol/dm^3. Give your answer to 2 decimal places.
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    30s
  • Q3
    Why is it necessary to calculate the percentage change in mass before comparing the effect of concentration on the potato chips?
    The percentage is closer to the true value.
    Calculating the percentage is a more scientific measurement.
    Not all the chips have the same final mass.
    Not all the chips have the same initial mass.
    30s
  • Q4
    Calculating the percentage change in mass helps to remove __________ error from the results.
    systematic
    percentage
    calculation
    random
    30s
  • Q5
    Match each direction of water movement to where it is shown on the graph.
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    Linking
    30s
  • Q6
    Which point on the graph enables us to estimate the concentration of sugar inside the potato chip cells?
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    The point on the line where the change in mass was the most positive.
    The point where the line crosses the y-axis.
    The point on the line where the change in mass was the most negative.
    The point where the line crosses the x-axis.
    30s

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