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Bulk of water requirement of plant is me...

Bulk of water requirement of plant is met through the process of

A

1.active absorption

B

2.passive absorption

C

3.root pressure

D

4.imbibition

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The correct Answer is:
B
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. In submerged hydrophytes, the absorption of water takes place through

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  2. The water available to the plant for absorption is

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  3. Bulk of water requirement of plant is met through the process of

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  4. Plasmodesmata connections help in movement of substances between cells...

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  5. Cold soils are considered to be

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  6. A water - logged soil is considered to be physiologically dry because ...

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

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  8. During passive absorption of water , the forces originate in 1. root...

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  9. Mark the correct statement .

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

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

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

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  13. Root pressure occurs due to

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  14. To develop root pressure , energy is used to

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  15. Root pressure is maximum when

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

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

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  18. According to Dixon and Jolly's Cohesion Theory the channel for ascent...

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

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

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