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प्रश्न
How is transpirational pull caused?
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उत्तर
As the 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 (cohesion), and thus produce a continuous column of water through the stem. Thus, a continuous column of water is produced through the stem of the plant.
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संबंधित प्रश्न
Name the conducting tissue in plants which is made of dead cells.
What is transpirational pull?
Very short answer question.
Which type of plants have negative root pressure?
Explain the term:
Ascent of sap
Long answer question.
Explain cohesion theory for translocation of water.
Find the physical process NOT involved in absorption of water in plants.
Oozing of sap from the cut end of herbaceous plants is due to ____________.
Attraction of water molecules to polar surface is known as ______.
In vascular plants, growth takes place due to
Arrange and rewrite the terms in group in correct order to be in a logical sequence, beginning with the term that is underlined:
Water vapour, Soil water, Leaves, Ascent of Sap.
