Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The diagram depicts a xerophytic leaf under two different conditions, P and Q. Which statements describe how the cells in layer X differ between conditions P and Q?

A1, 2 and 3 only
B1 and 2 only
C2 and 4 only
D3 and 4 only

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