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During passive absorption of water , th...

During passive absorption of water , the forces originate in

A

root itself

B

shoot

C

both root and shoot

D

apical bud

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The correct Answer is:
B
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. A water - logged soil is considered to be physiologically dry because ...

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  2. Which is influenced by opening and closing of stomata ?

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  3. During passive absorption of water , the forces originate in

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  4. Mark the correct statement .

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  5. The influence of metabolic inhibitors on the process of passive absor...

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  6. The rate of water absorption is considered to be approximately equal t...

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  7. When soils are deficient in oxygen and have high proportion of salts o...

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  8. Root pressure occurs due to

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  9. To develop root pressure , energy is used to

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  10. Root pressure is maximum when

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  11. When aerial parts of a plant are cut the sap exudes from the root with...

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  12. The energy source that mainly drives the upward flow of water is

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  13. According to Dixon and Joly's Cohesion Theory the channel for ascent ...

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  14. In a branch cut from a rapidly transpiring plant , water snaps away fr...

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  15. The osmotic pressure of the leaf cells is maximum in the afternoon, th...

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  16. Root pressure does not take an active part in the ascent of sap becaus...

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  17. Cohension transpiration pull theory operates in

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

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

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  20. Water lost by transpiration is

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