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ID 2417
DifficultyDifficulty

The diagram below shows the cross-section of a leaf.



(a) What is the function of a stoma?

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(b) Which part of the leaf are stomata usually found?

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(c) Explain why they are found at the part of the leaves stated in (b).

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Long Answer

(a) It takes in carbon dioxide and gives out oxygen.


(b) The underside of the leaf.


(c) They are sheltered from direct sunlight, thus preventing water loss.


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