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

Movement into and out of cells — practice question

The diagram depicts the contour of a xerophytic leaf that was left for 45 minutes under different conditions, P and Q. Which statements concerning the cells in layer Y of the leaf in each of conditions P and Q after 45 minutes are correct?

A1, 2 and 4
B1, 3 and 4
C1 and 3 only
D2 and 4 only

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