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Which of the following is not correct ma...

Which of the following is not correct mass flow hypothesis

A

Loading of phloem sets up a water potential gradient that facilitates the mass movement in phloem

B

The sugar which is transported is sucrose

C

The sugar is moved bidrectionally

D

As hydrostatic pressure in phloem sieve tube increases, pressure flow stops and sap accumulates in phloem

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The correct Answer is:
A
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DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. A column of water within xylem vessels of tall trees does not break un...

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

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

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

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  5. Guttation is a process of loss of water in

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  6. The apoplast is located

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

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

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

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  10. Imbibition involves

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

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  12. Water potential of soil quantified in term of

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  13. Identify the wrong statement .

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

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

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

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

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

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  19. Water exudation through hydathodes is

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  20. Apoplast movement of water occurs through:

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