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A column of water within xylem vessels o...

A column of water within xylem vessels of tall trees does not break under its weight because of

A

Dissolved suger in water

B

Tensile strangth of water

C

Lignification of xylem vessels

D

Positive root pressure

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The correct Answer is:
B
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DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. The correct ascending squence with respect to their water potential is...

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  2. Find out the correct pair of statements (i) In completely plas...

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  3. A column of water within xylem vessels of tall trees does not break un...

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  4. Water potential gradient between absorbent and the liquid imbibed is ...

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  5. Which of the following is not correct mass flow hypothesis

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  6. What are the forces that maintain the continuity of water column durin...

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  7. Guttation is a process of loss of water in

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  8. The apoplast is located

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  9. Match and find the correct option {:((a), "Water potential",(i),"It...

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  10. Which of the following statements about plasmolysis is/ are ture I. P...

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  11. Above this minimum vertical distance, the gravity potential is not neg...

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  12. Imbibition involves

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  13. The major solute taken in by guard cells is Na^(+)

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  14. Water potential of soil quantified in term of

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  15. Identify the wrong statement .

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  16. Find the correct pair of statements (i) Influx of Cl- into guard ce...

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  17. Arrange the following in ascending order based on their solute concent...

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  18. Photosynthates are translocated from source to sink organs mainly in t...

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  19. The movement of water and minerals in xylem and the movement of phloem...

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  20. In the given diagram, which is the initial condition of plasmolysis

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