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Learning Exercise

Exercise on stomata

Six questions on stomata
Material:
Stomata
Date last modified:
April 14, 2010
Created by:
Øystein Sørborg
License:
creative-commons creative-commons by
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Stomata

Stomata

Animations and video illustrating how stomata open and close. see more

Material Type:
Animation
Author:
Cato Tandberg, Center for School Science, dep. of Biology, University of Oslo; Bjørn Vidnes, Norwegian Centre of Science Education; Wenche Erlien, Norwegian Centre of Science Education
User Rating:
5 stars

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.

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