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Walls of sclerenchyma are...

Walls of sclerenchyma are

A

Rigid

B

Lignified

C

Pactinised

D

Suberised

Text Solution

Verified by Experts

The correct Answer is:
B

They posses hard and extremely thick secondary walls. Due to uniform deposition of lignin.
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Cells of sclerenchyma has irregularly thickened cell walls.

What chemical substance is deposited in the secondary wall of sclerenchyma ?

Knowledge Check

  • The walls of sclerenchyma cells are thickened due to "__________"

    A
    Hemi-cellulose
    B
    Lignin
    C
    Cellulose
    D
    Pectin
  • A: Cells of sclerenchyma have thickened secondary walls. R: Cells have deposition of lignin.

    A
    If both Assertion & Reason are true and the reason is the correct expalanation of the assertion. Then mark (1).
    B
    If Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
    C
    If Assertion is true statement but Reason is false, then mark (3).
    D
    If both Assertion and Reason are false statements, then mark (4)
  • The cells of sclerenchyma tissue have their walls thickened due to which chemical substance?

    A
    Cellulose
    B
    Lignin
    C
    Pectin
    D
    Hemicellulose
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    Which chemical is deposited in the cell wall of sclerenchyma ?

    (a) Tarun was asked to draw a diagram of sclerenchyma as seen in longitudinal section and label it . His figure is given below. Point out the mistake in the figure. (b) Are the cells of sclerenchyma live or dead ?

    Which type of sclerenchyma cells are found in the fruit wall of nuts, pulp of fruits like guaava, pear and sapota, seed coats of legumes sand leaves of tea.

    Mechanical properties of sclerenchyma is due to

    Assertion : The rigidity in leaf is due to sclerenchyma. Reason : Sclerenchyma are dead tissue and provide mechanical strength.