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Exchange (A-level Section 3, Ch.6)

Quiz by Mr R Horn

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30 questions
Show answers
  • Q1
    Which is the correct version of Fick's law of diffusion?
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    30s
  • Q2
    Which is the correct equation for the Volume of a Sphere?
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    30s
  • Q3
    Which is the correct equation for the Surface Area of a Sphere?
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    30s
  • Q4
    Which is the correct equation for the Volume of a Cylindrical Prism?
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    30s
  • Q5
    The image shows the gas exchange system of an insect. Name structure A.
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    Spiracle
    Bronchiole
    Stomata
    Traceole
    30s
  • Q6
    The image shows the gas exchange system of an insect. Name structure B.
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    Traceole
    Trachea
    Bronchus
    Bronchiole
    30s
  • Q7
    The image shows the gas exchange system of an insect. Name structure C.
    Question Image
    Trachea
    Bronchus
    Tracheole
    Bronchiole
    30s
  • Q8
    During exercise the water in an insect's tracheoles moves into muscle cells. What's the mechanism
    Cohesion-tension forces, due to hydrogen bonds
    Increases pressure due to air movement
    Osmosis due to due to decreased water potential in muscle cells, as a result of lactic acid formation.
    Osmosis due to due to increased water potential in muscle cells, as a result of lactic acid formation.
    30s
  • Q9
    What is the benefit of countercurrent flow in fish gills?
    Maintains a concentration (diffusion ) gradient across the entire width of the lamellae
    Allows water movement (by osmosis) into the tissues of saltwater fish
    Maximises the concentration (diffusion ) gradient as water begins to flow over the lamellae
    Enables water to flow with less friction
    30s
  • Q10
    Name structure A
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    Gill arch
    Gill raker
    Gill lamella
    Gill filament
    30s
  • Q11
    Name structure B
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    Gill raker
    Gill arch
    Gill filament
    Gill lamella
    30s
  • Q12
    What a 'xerophyte'?
    A plant that is adapted to dry conditions
    A plant that is able to photosynthesis at high temperatures
    A dispute between integers of equal but opposite magnitude
    A plant, usually aquatic, that lacks stomata
    30s
  • Q13
    Why does air move out of the lungs when we exhale?
    Increasing volume causes decreasing pressure inside the lungs. Air moves from high to low pressure.
    Decreasing volume reduces the air pressure inside the lungs. Air moves from low to high pressure.
    Decreasing volume causes increasing pressure inside the lungs. Air moves from high to low pressure
    30s
  • Q14
    Which muscles contract/relax to increase the volume for the thorax?
    Internal intercostal muscles contract, diaphragm contracts
    External intercostal muscles contract, diaphragm contracts
    External intercostal muscles relaxes, diaphragm relaxes
    Internal intercostal muscles contract, diaphragm relaxes
    30s
  • Q15
    True or False? Expiration is largely a passive process
    False
    True
    30s

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