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Which contributes most to the transport ...

Which contributes most to the transport of water from the soil to the leaves of a tree ?

A

Root pressure

B

Cohesion of water and transpiration pull

C

Capillary rise of water inside xylem

D

Hydrolysis of ATP

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The correct Answer is:
B
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Root pressure does not take an active part in the ascent of sap becaus...

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  2. Cohension transpiration pull theory operates in

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  3. Which contributes most to the transport of water from the soil to the ...

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

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  5. Water lost by transpiration is

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  6. Cobalt chloride is blue in anhydrous state . In contact with water va...

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  7. Which of the following amphistomatous leaves would dry up last ?

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  8. Sunken stomata are mainly seen in leaves of

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  9. In terrestial habitats , temperature and rain fall conditions are in...

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  10. Main function of lentical is

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  11. Apart from stomata through which other way can oxygen enter the plants...

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  12. Transpiration in plants is

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  13. Transpiration from the plants would be most rapid when

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  14. When stomata open only at night they are called

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  15. Which of the following is not a function of transpiration ?

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  16. The high amount of malate in guard cells of open stomata accumulates b...

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  17. The lowest water potentials in the xylem are in the

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  18. Transpiration rate of a dorsiventral leaf is

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  19. Loss of water by cells without external sign of leaf drooping is calle...

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  20. Permanent wiliting can be over come by

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