Biology 5090 · O Level · Transpiration and translocation

Transpiration and translocation — practice question

(a)[7]

Describe the route taken by water molecules from the soil, through a plant and into the atmosphere.

(b)[3]

Explain how a change in one named environmental factor would cause the rate of water loss from a plant to rise.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: water taken up by root hair by osmosis/diffusion

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