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प्रश्न
Very short answer question.
In which conditions transpiration pull will be affected?
उत्तर
For transpiration pull to operate, the water column should be unbroken and continuous. However, due to temperature fluctuations during day and night, gas bubbles may enter in water column breaking the continuity.
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संबंधित प्रश्न
Very short answer question.
Which type of plants have negative root pressure?
Answer the following question.
Discuss theories of water translocation.
Explain capillarity theory.
Answer the following question.
Define and or explain the term:
Ascent of sap
Long answer question.
Explain cohesion theory for translocation of water.
Oozing of sap from the cut end of herbaceous plants is due to ____________.
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 ______.
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.
What are the four main forces which contribute to the ascent of sap (upward movement of water and minerals) ? Name them and explain in short.
