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Question
One of the internal factors that affect rate of transpiration is:
Options
Age of leaf
Colour of leaf
Sunken stomata
Light
MCQ
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Solution
Sunken stomata
Explanation:
Sunken stomata is an internal structural adaptation of the leaf (common in desert plants) that helps reduce water loss by trapping a pocket of humid air outside the stomata, thereby lowering the rate of transpiration. Light is an external factor.
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