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Question
Which of the following provide maximum mechanical strength to a tree trunk?
Which of the following provide maximum mechanical strength to a tree trunk?
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Solution
The correct option is A Heart wood
Heartwood, also called as duramen, dead, central wood of trees. Its cells usually contain tannins or other substances that make it dark in colour and sometimes aromatic. Heartwood is mechanically strong, resistant to decay, and less easily penetrated by wood preservative chemicals than other types of wood. One or more layers of living and functional sapwood cells are periodically converted to heartwood. Heart wood provide maximum mechanical strength to a tree trunk than sapwood, cork or late wood (autumn wood).
Heartwood, also called as duramen, dead, central wood of trees. Its cells usually contain tannins or other substances that make it dark in colour and sometimes aromatic. Heartwood is mechanically strong, resistant to decay, and less easily penetrated by wood preservative chemicals than other types of wood. One or more layers of living and functional sapwood cells are periodically converted to heartwood. Heart wood provide maximum mechanical strength to a tree trunk than sapwood, cork or late wood (autumn wood).
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