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Question
What is meant by the term transpiration stream?
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Solution
A pulling force called suction, caused by the evaporation of water in a leaf draws a long, continuous column of water through the xylem from the root to the leaf. This is called the transpiration stream.
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RELATED QUESTIONS
State whether the following statement is true or false. Rewrite the false statement correctly.
During transpiration, the leaves lose more water from their upper surface.
Transpiration helps in creating ______ force and in eliminating excess ______.
What are the disadvantages of transpiration?
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Hydathode
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The apparatus used to compare the rate of transpiration in cut shoot.
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Evaporation is a physiological process
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An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follow:
- Name and define the phenomenon labelled A in the diagram.
- Write the significance of the process mentioned in A for the plants.
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