NEET Biology question
Not in NEET syllabus
Read the following statements and choose the correct option given below.
I. The major amount of transpiration takes place through the surface/margin of leaves. II. A little amount of water is lost through the stem; this is referred to as cauline transpiration. III. Transpiration is comparatively a slower process than evaporation. IV. Transpiration-driven ascent of sap does not depend on the cohesion, adhesion and surface tension properties of water.
Solution
I is true — most transpiration occurs through the stomata on the leaf surface/margin. II is true — minor water loss through the stem surface is called cauline transpiration. III is true — transpiration, regulated by stomata and the cuticle, proceeds more
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