Ascent of sap is

  • A
    Active and requires energy expenditure by the soil
  • B
    Passive,and no requirement of energy by the plants
  • C
    Active and requires energy expenditure by the plants
  • D
    Passive unless soil is dry

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Similar Questions

The most widely accepted explanation for the ascent of sap in trees is:

$A$ : Root pressure is dynamic and is always a positive hydrostatic pressure.
$R$ : It is a universal phenomenon and develops under absorption lag.

Most water absorption in plants takes place through

Assertion : Upward movement of water is called ascent of sap.
Reason : Upward movement of water occurs through xylem and phloem.

If a horizontal cut is made on the part of a plant/tree near the ground and it is placed in an eosin solution,then...

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