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Cork is impervious to water due to the p...

Cork is impervious to water due to the presence of _______in its cell wall.

A

silica

B

`CaCO_(3)`

C

suberin

D

cuticle

Text Solution

Verified by Experts

The correct Answer is:
C
The phellem or cork cells are dead these are impervious tow water due to suberin deposition in the cell wall. Cork prevents the loss of water by evaporation. It also protects the interior against entry of harmful microorganisms, mechanical injury and extermes of temperature. cork is light compressible, nonreactive and sufficiently resistant to fire. it is used as stopper for bottles, shock absorption and insulation.
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Knowledge Check

  • The cork is impervious to water -

    A
    Due to hemicellulose deposition in the cell wall
    B
    Due to cellulose deposition in the cell wall.
    C
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    D
    Due to pectin deposition in the cell wall.

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    A
    `CaCl_(2)`
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    `Mg" "SO_(4)`
    C
    `Ca(HCO_(3))_(2)`
    D
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    `CaCl_(2)`
    B
    `MgSO_(2)`
    C
    `Ca(HCO_(3))_(2)`
    D
    All of these

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