Resin ducts of a gymnosperm stem is an example of

Big vacuole

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Lysigenous cavity

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Schizogenous cavity

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None of the above

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Solution

The correct option is D Schizogenous cavity
Resin canals are elongated, tube-shaped intercellular spaces surrounded by epithelial cells that secrete resin into the canal.
The resin ducts arise as schizogenous intercellular spaces due to the disjointing of parenchyma cells. Resin ducts are formed due to wounding.
Resin ducts appear as traumatic structures that develop schizogenously.
Therefore, the correct answer is option C.

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