Biology 0610 · IGCSE · Leaf structure

Leaf structure — practice question

(a)[3]

From the list of words, fill in the flowchart by placing the structures in the right sequence in the spaces given.

(b(i))[1]

State what the parts labelled L on Fig. 6.1 do.

(b(ii))[3]

Describe the ways in which layer K in Fig. 6.1 is adapted to carry out photosynthesis.

(c(i))[1]

Calculate the mass lost at $20^$. Enter your answer in Table 6.1.

(c(ii))[3]

Calculate the percentage decrease in mass at $25^$. State your answer to the nearest whole number.

(d)[1]

Describe how temperature affects the rate of transpiration for the data in Table 6.1.

(e)[2]

Predict the effect of a higher wind speed on the transpiration rate and on the mass of the leafy shoot.

Worked solution & mark scheme

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