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The most widely accepted theory of ascen...

The most widely accepted theory of ascent of sap in trees is

A

Capillarity theory

B

Root Pressure theory

C

Pulsation theory

D

Transpiration pull theory

Text Solution

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The correct Answer is:
D
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DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Match the lists and find the correct option {:(,I,,II),(a., "Henry Dix...

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  2. In stomatal opening, influx of K^(+) is accompanied by effux of

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  3. The most widely accepted theory of ascent of sap in trees is

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  4. Which of the following criteria does not pertain to facilitated transp...

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  5. Passage of water through a semipermeable membrane causes (a) Suction ...

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  6. Apoplast movement of water occurs through:

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  7. Which ions are responsible for stomatal movement

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  8. Guttation only occurs in

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  9. The osmotic pressure of pure water is:

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  10. When turgidity is lost in guard cells the stomatal pore

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  11. A thin film of water, held by the soil particles under the influence o...

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  12. Consider the following statements and select the correct statement St...

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  13. What is not significant is osmosis

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  14. Pressure potential in a plasmolysed cell is

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  15. Maximum transpiration occurs in

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  16. Which factor does not contribute to stomatal opening

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  17. Chambers I and II are separated by a semipermeable membranes. Study th...

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  18. Select the matched ones (i) Guttation-Water loss in liquid phase (ii)...

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  19. Which condition favours guttation

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  20. Number of stomata and epidermal cells in 1nm^(2) area of abaxial surfa...

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