Biology 5090 · O Level · Transpiration and translocation

Transpiration and translocation — practice question

(a)[7]

Describe and explain the effect on the rate of transpiration of an increase in each of the following factors around a plant: • temperature • light intensity • humidity.

(b)[3]

Suggest why transpiration is important to a plant.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “a higher temperature raises the rate” …

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