Biology 0610 · IGCSE · Transpiration

Transpiration — practice question

(a)[3]

Complete the definition of the term transpiration. Transpiration is the loss of water vapour from plant leaves through [BLANK] of water at the surfaces of the [BLANK] cells, then diffusion of water vapour through the [BLANK].

(b(i))[2]

Predict how water loss will change in this plant, then draw a line on Fig. 6.1 to represent your prediction.

(b(ii))[1]

Describe how humidity affects the rate of transpiration.

(c(i))[2]

Describe two ways in which water is used in plants.

(c(ii))[1]

State the name of the vessels that move water in plants.

(c(iii))[1]

State the name of the cells through which water enters a plant.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: evaporation of water

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