The table below shows the effect of wind, still air, and stomatal opening on the rate of
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Question:
The table below shows the effect of wind, still air, and stomatal opening on the rate of transpiration of a plant in milligrams of water lost per hour dm2. Study the table and answer the following questions
Stomatal opening (dm) | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Windy | 40 | 63 | 74 | 86 | 94 | 110 | 124 |
Still air | 0 | 6 | 12 | 19 | 23 | 27 | 30 |
(a) (i) Compare the rates of transpiration in windy and still air conditions (1mk)
(ii) Explain your observation in a(i) above (2mks)
(b) How does stomatal opening affect transpiration rate? [1mark]
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