Actual 2024 AQA AS BIOLOGY 7401/2 Paper 2 Merged Question Paper + Mark Scheme
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IB/M/Jun24/7401/2
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0 1 . 1 Water has a high heat capacity and a large latent heat of vaporisation.
Describe the importance of each of these properties to living organisms.
[2 marks]
High heat capacity
Large latent heat of vaporisation
0 1 . 2 Figure 1 shows that water loss from a porous pot can cause the upward movement of
water.
Figure 1
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IB/M/Jun24/7401/2
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Biologists have concluded that the experiment in Figure 1 supports the box
cohesion–tension theory of water transport in the xylem.
Explain how this conclusion is supported by the experiment in Figure 1.