Q.

Read the following statements w.r.t cell wall and select the correct option:
(A) A non- living rigid structure which forms an outer covering for the plasma membrane.
(B) It gives shape to the cell and protect the cell from mechanical damage and infection.
(C) It helps in cell-to-cell interaction.
(D)It provides barrier to undesirable macromolecules.

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a

Only (A) is correct

b

Only (A) and (B) are correct.

c

(D) is incorrect.

d

(A),(B),(C),(D) are correct.

answer is D.

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Detailed Solution

Cell wall is rigid and nonliving, determines the shape of cell, protects the cell, involved in cell to cell interaction and acts as barrier to undesirable macromolecules.

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