The characteristic feature of porous wood is | vedclass

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(B) Porous wood is a characteristic feature of angiosperms. It is defined by the presence of vessels (tracheae) in the secondary xylem. Based on the d

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Presence of vessels

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(B) Porous wood is a characteristic feature of angiosperms. It is defined by the presence of vessels (tracheae) in the secondary xylem. Based on the distribution and size of vessels,porous wood is classified into two types: $1$. Diffuse-porous wood: Vessels are distributed uniformly throughout the growth ring. $2$. Ring-porous wood: Large vessels are concentrated in the early wood part of the growth ring. Therefore,the presence of vessels is the defining characteristic of porous wood.

The characteristic feature of porous wood is represented by the presence of .........

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