Biology 0610 · IGCSE · Transpiration

Transpiration — practice question

Fig. 5.1 shows a diagram of a leaf in cross-section.
(a(i))[1]

State the letter in Fig. 5.1 that indicates where water evaporates from during transpiration.

(a(ii))[1]

State the letter in Fig. 5.1 that indicates where water vapour leaves the leaf during transpiration.

(b(i))[1]

Water is transported to the leaf through tube A. State the name of the vessels in a plant stem that tube A stands for.

(b(ii))[2]

From the information in Table 5.1, calculate the rate at which the air bubble moves when the environmental temperature is 30 ^{\circ}C. Give your answer to two decimal places.

(b(iii))[1]

Describe the effect that an increase in environmental temperature has on the rate of transpiration shown in Table 5.1.

(c(i))[1]

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

(c(ii))[1]

State the name of the process by which water enters plant cells.

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