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According to Dixon and Jolly's Cohesion ...

According to Dixon and Jolly's Cohesion Theory the channel for ascent of sap is

A

Cohesive and adhesive force of water

B

Vertical water column in xylem fibres and parenchyma

C

Continuity of water column

D

Transpiration pull

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-TRANSPORT IN PLANTS -Exercise
  1. Which of the following is true/false regarding transport of substances...

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  2. Symplast pathway of water in plants is not related to

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  3. Most of the flows in the roots as

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  4. During passive absorption, water is absorbed as a result of tension cr...

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  5. During active absorption of water

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  6. All given factors promote absorption of water by roots , except

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  7. Positive hydrostatic pressure developing in root xylem due to active s...

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  8. According to Dixon and Jolly's Cohesion Theory the channel for ascent...

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  9. Select an incorrect statement

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  10. Force responsible for the ascent of sap is

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  11. Which of the following contributes about 1% of the total transpiration...

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  12. Select an incorrect statement

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  13. Which one of the following does not cause opening of stomata?

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  14. Select a correct statement

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  15. Given below is the diagram of a stomatal apparatus. In which of the fo...

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  16. An aqueous pink solution of cobalt (II) chloride changes to deep blue ...

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  17. What are the control points in plants where quantity and type of solut...

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  18. The chief sinks for the minerals elements are the ------------ regions...

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  19. Phloem sap consists of

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  20. Explain pressure flow hypothesis of translocation of sugars in plants

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