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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

Tensile strength of water

B

Lignification of xylem vessels

C

Positive root pressure

D

Dissolved sugars in water

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The correct Answer is:
A
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ERRORLESS -TRANSPORT IN PLANTS-Transport In Plants
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  2. Most widely accepted explanation for the ascent of sap in tree is

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

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  4. Which of the following is not true for active transport

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  5. Upward movement of water in plants is called

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  6. Water will be absorbed by root hairs when

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  7. The factor or process which best explains the rise of water from roots...

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  8. The path of water from soil upto secondary xylem is

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  9. Physical force theory explains

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  10. The rupture and fractionation do not usualy occur in the water column ...

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  11. Which of the following would be in insignificant amount in xylem sap

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  12. Bordered pits relating with water uptake located in

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  13. Most of the water flow in the root takes place via the apoplast becaus...

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  14. The given diagram shows the appearance of plant cell immersed in a sol...

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  15. Which of the following helps in the absorption of water and minerals s...

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  16. The given diagram indicates routes of transport of water and minerals ...

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  17. The movement of water from one cell of the cortex to the adjacent one ...

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  18. Given figure represents demonstration of osmosis by egg membrane osmos...

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  19. Passage cells are thin walled cells found in

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  20. Movement of H(2)O through cell wall is called

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