Biology 5090 · O Level · Transpiration and translocation

Transpiration and translocation — practice question

(a)[5]

Describe and explain the gas exchange between a plant leaf and the surrounding atmosphere over a 24-hour cycle.

(b)[5]

Outline how water moves through a leaf during transpiration.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Day: light is present, so photosynthesis takes place

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