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Root pressure is maximum at the time of...

Root pressure is maximum at the time of

A

Water absorption as well as transpiration are low

B

Both water absorption and transpiration are high

C

Absorption is low and transpiration is high

D

Absorption is high and transpiration is low

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The correct Answer is:
D
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DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Roots hairs occur in the zone of

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  2. Root cap has no role in water absorption because

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  3. Root pressure is maximum at the time of

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  4. Path of water movement from soil to xylem is

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  5. In soli, the water available for root absorption

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  6. Rate of Water absorption can be increased through

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  7. Water in plants is transported by or ascent of sap take place through

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  8. The most widely accepted theory for ascent of sap in trees is

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  9. Water rises in the stem due to

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  10. According to one vital force theory, ascent of sap is due to acitve pu...

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  11. At what time, the stomatal transpiration is completely stopped

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  12. Upward movement of water through xylem is best explained by

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  13. The principal pathway of water translocation in angiosperms is

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  14. Cohesive force of water is due to

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  15. Ringing/girdling experiment was first performed by

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  16. During osmosis, water passes through a semipermeable membrane

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  17. Diffusion of water through selectively permeable membrane is

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  18. A higher plant cell covered with cutin and suberin is placed in water....

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  19. Water is absorbed from outside solution only when it is

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  20. Supply of excess fertilizer and watering of a grass lawn causes brown...

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