Which of the following provides maximum mecha | vedclass

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(A) The $Heartwood$ (duramen) is the central,non-functional part of the secondary xylem in older trees.It is dark in color due to the deposition of or

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Heartwood

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(A) The $Heartwood$ (duramen) is the central,non-functional part of the secondary xylem in older trees.It is dark in color due to the deposition of organic compounds like tannins,resins,oils,gums,aromatic substances,and essential oils in the vessels and tracheids.These substances make the wood hard,durable,and resistant to the attacks of microorganisms and insects.Therefore,the $Heartwood$ provides the maximum mechanical support to the tree,whereas the $Sapwood$ (alburnum) is the peripheral,functional part involved in water conduction.

Which of the following provides maximum mechanical support to the Banyan tree?

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