Question -
Identify the type of simple permanent tissue. (i) The cells of this tissue are dead. (ii)The cell walls are thickened due to lignin.
Options:
A .  Parenchyma
B .  Collenchyma
C .  Aerenchyma
D .  Sclerenchyma
Answer: Option D : D Sclerenchyma is the tissue which makes the plant hard and stiff. The husk of a coconut is made of sclerenchymatous tissue. The cells of this tissue are dead. They are long and narrow as the walls are thickened due to lignin.
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