Biology for IGCSE & O level - Transport In Plants (Section 2 - No. 15)
Transpiration is the process of water loss from the leaves of a plant. Through which structures does this water loss primarily occur?
Xylem vessels
Phloem tubes
Stomata
Root hairs
Explanation
Stomata are pores on the leaf surface that regulate gas exchange, including the exit of water vapor during transpiration.
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