(a)[2]
Complete Table 9.1 by selecting the correct letter from Fig. 9.1 to match each feature listed in Table 9.1: - location of Calvin cycle - made mainly of cellulose Each letter may be used once, more than once or not at all.
(b)[4]
The opening and closing of stomata result from changes in environmental conditions. Hydrogen ions ($\text{H}^+$) and potassium ions ($\text{K}^+$) are involved in stomatal opening. Describe how hydrogen ions and potassium ions are involved in the opening of a stoma.