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Which of the following forces pushes wat...

Which of the following forces pushes water into the xylem as osmosis moves water into the root ?
(a) Water stress
(b) Atmospheric pressure
(c) Root pressure
(d) Transpiration

A

Water stress

B

Atmospheric pressure

C

Root pressure

D

Transpiration

Text Solution

Verified by Experts

The correct Answer is:
C
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ICSE-TRANSPORT IN PLANTS -TEST YOUR PROGRESS (OBJECTIVE TYPE QUESTIONS )
  1. Which of the following terms describes forcing of water out of the pla...

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  2. Which of the following forces is responsible for moving water up to th...

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  3. Which of the following forces pushes water into the xylem as osmosis ...

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  4. Which of the following statements is not true about stomata

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  5. Root hairs do not play a role in

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  6. Water flows from the

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  7. Stomata are usually open

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  8. Water evaporation from plant parts is called : (a) translocation (b)...

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  9. Water transport from roots to leaves is explained by (a) the pressure ...

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  10. The strip in endodermal cell walls forces water and solutes that enter...

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  11. During the day, most plants lose .... and take up....

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  12. Water and minerals that cross the cortex through the Symplast move:

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  13. In order to enter the stele, water and minerals must pass through:

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  14. Stomata open when guard cells:

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  15. Which of the following is not part of the transpiration cohesion-adhes...

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  16. Guttation in plants results from

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  17. Water potentialis generally most negative in

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  18. The productivity of a crop begins to decline when the leaves begin to ...

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  19. Cut a twig from a tree and examine the cut surface with a magnifying g...

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  20. Which of the following structures or compartments is not part of the p...

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