(ii) any two from: D carbon dioxide (concentration) temperature / heat (amount of) chlorophyll / 2 chloroplasts [8] allow water allow ions / nutrients 1 ignore ref to surface area of the leaf A 1 use the same type of plant or give equal amount of water to each plant ignore size of pot 1 (advantage) more minerals 1 (disadvantage) cost / not free 1 [5] (a) (i) 5.0 1 (5 × 0.8) or 4 1 allow ecf from distance 0.4 allow ecf from 10-min volume 1 (ii) increased (rate of uptake) 1 more transpiration / evaporation 1
(ii) any two from: A D carbon dioxide (concentration) temperature / heat (amount of) chlorophyll / chloroplasts allow water allow ions / nutrients ignore ref to surface area of the leaf 2 [8] 1 1 use the same type of plant or give equal amount of water to each plant ignore size of pot (advantage) more minerals (disadvantage) cost / not free (a) (i) 5.0 (5 × 0.8) or 4 allow ecf from distance 1 1 1 [5] 1 1 0.4 allow ecf from 10-min volume 1 (ii) increased (rate of uptake) 1 more transpiration / evaporation 1
biology_exam_style_questions__easter__1.docx