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Root hairs absorb water when...

Root hairs absorb water when

A

transipration is low

B

soil solution is isotonic

C

salt concentration of cell sap is high

D

salt concentration of soil is high.

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The correct Answer is:
C
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Which is possible for a fully turgid cell ?

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  2. The plants that send their roots upto fringe of the water table due to...

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  3. Root hairs absorb water when

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  4. The root hairs absorb from soil

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  5. In submerged hydrophytes, the absorption of water takes place through

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  6. The water available to the plant for absorption is

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

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

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  9. Cold soils are considered to be

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

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

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

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  13. Mark the correct statement .

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

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

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

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  17. Root pressure occurs due to

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  18. To develop root pressure , energy is used to

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  19. Root pressure is maximum when

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

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