Answer:
(c) Cellulose is the basic of the cell wall present
in plants. The cell wall of almost all the organism are made up of cellulose
whereas lipids along with some proteins forms the basic building blocks of
plasma membrane. Plasma membrane is semi permeable and it is not impervious to
water.
Lignin is a complex polymer which acts as a cement and
hardens the cell wall. It provides flexibility, great tensile and compression
strength to the cell wall and makes the eel; wail impermeable. It is present in
scierenchyma cells and not in cork cells. The walls of cork cells are heavily
thickened with an organic substance, suberin, Suberin makes these cells
impervious to water and gases.
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