Biology · May / June 2017 · Paper 22 · Question 4

Table 4.1 shows the loss of water vapour by two similarly-sized potted plants, F and G, grown in the same environment over a period of 14 hours. Table 4.1 water vapour loss / arbitrary units time of day / hours plant F plant G 06.00 – 08.00 1.0 5.2 08.00 – 10.00 2.0 13.8 10.00 – 12.00 5.8 14.8 12.00 – 14.00 4.8 9.2 14.00 – 16.00 3.6 6.8 16.00 – 18.00 3.0 4.4 18.00 – 20.00 2.0 1.0

Read automatically from the paper; the printed page above is exact.