Learning Exercise

Exercise on stomata

Six questions on stomata
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Animations and video illustrating how stomata open and close. see more

Exercise

Exercise 1 Describe the structure of the stoma complex Exercise 2 Why do we usually find more stomata on the lower side /underside of a leaf Exercise 3 Explain why the structure of the guard cells means that they change shape in response to increasing pressure Exercise 4 A tulip has more or less the same number of stomata on both sides of its leaves. Why? Exercise 5 Why does a water lily only have stomata on the upper sides of its leaves? Exercise 6 Explain in some detail how different factors can affect the opening and closing of stomata.