Study the following statements and choose the correct option$(s)$ from the codes below:
$I$. Root pressure provides a light push in the overall process of water transport.
$II$. Root pressure causes the flow of water faster through xylem than it can be lost by transpiration.
$III$. In symplast pathway,water moves exclusively through the cell wall and intercellular spaces.
$IV$. Guttation is a cause of transpiration pull.
$V$. Most plants fulfill their water requirement by transpiration pull.

  • A
    $I, II$ and $III$ are correct while $IV$ and $V$ are incorrect.
  • B
    $IV$ and $V$ are correct while $I, II$ and $III$ are incorrect.
  • C
    $I$ and $V$ are correct.
  • D
    $II$ and $III$ are correct while $I, IV$ and $V$ are incorrect.

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Similar Questions

The process of water exudation through hydathodes is called:

Select the correct option from the following.

Which of the following statements are correct regarding the factors affecting absorption by plants?
$i$. In dicots,the guard cells are dumbbell shaped.
$ii$. The transport of food through phloem is bidirectional.
$iii$. Capillary water is available to plants.
$iv$. Lenticels are small,raised structures composed of compactly arranged complementary cells.
$v$. Stomatal transpiration occurs during day time only.
Choose the correct option:

$A-$ Diffusion is a very slow process and is responsible for the short-distance movement of molecules.
$R-$ Water,minerals,and food are generally moved by a mass or bulk flow system.

Assertion: When the ambient temperature is high and soil contains excess of water,the plants tend to lose water in the form of droplets from lenticels.
Reason: Root pressure regulates the rate of loss of water from lenticels.

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