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Question

Which one of the following plant tissue lacks protoplasm at maturity?

A
Sclerenchyma
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B
Collenchyama
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C
Parenchyma
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D
Epidermis
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Solution

The correct option is C Sclerenchyma
  • Collenchyma contains living, elongated cells with protoplasm at maturity.
  • Parenchyma cells are thin-walled, flexible and loosely packed cells. They are alive at maturity and contain protoplasm.
  • Sclerenchyma cells are dead, long, thin, narrow with thickened walls without any internal space. They do not possess any protoplasm at maturity.
Hence, option A is correct.

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