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

QuizÂ by Mr R Horn

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30 questions
• Q1
Which is the correct version of Fick's law of diffusion?
30s
• Q2
Which is the correct equation for the Volume of a Sphere?
30s
• Q3
Which is the correct equation for the Surface Area of a Sphere?
30s
• Q4
Which is the correct equation for the Volume of a Cylindrical Prism?
30s
• Q5
The image shows the gas exchange system of an insect. Name structure A.
Spiracle
Bronchiole
Stomata
Traceole
30s
• Q6
The image shows the gas exchange system of an insect. Name structure B.
Traceole
Trachea
Bronchus
Bronchiole
30s
• Q7
The image shows the gas exchange system of an insect. Name structure C.
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
Gill arch
Gill raker
Gill lamella
Gill filament
30s
• Q11
Name structure B
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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