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प्रश्न
What is transpirational pull?
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उत्तर
As water is lost from the leaf surface by transpiration, more water molecules are pulled up due to the tendency of water molecules to remain joined, i.e., cohesion. This produces a continuous column of water throughout the stem, which is known as the 'transpiration pull'.
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संबंधित प्रश्न
Name the conducting tissue in plants which is made of dead cells.
Very short answer question.
Which type of plants have negative root pressure?
Very short answer question.
In which conditions transpiration pull will be affected?
Answer the following question.
Discuss theories of water translocation.
Explain the term:
Ascent of sap
Long answer question.
Explain cohesion theory for translocation of water.
The process in which the loss of water takes place in the form of water vapour through stomata is called:
Root pressure theory was proposed by ______.
In vascular plants, growth takes place due to
How is transpirational pull caused?
