Which of the following statements is NOT true | vedclass

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Question

(A) Heartwood,also known as $duramen$,is the central,non-functional part of the secondary xylem.It is characterized by the deposition of organic compo

Vedclass · Accepted Answer

It is composed of living cells.

Vedclass · Answer

(A) Heartwood,also known as $duramen$,is the central,non-functional part of the secondary xylem.It is characterized by the deposition of organic compounds such as resins,tannins,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.Due to the deposition of these substances,heartwood appears dark in color.Crucially,the cells of the heartwood are dead and do not conduct water; therefore,the statement that it is composed of living cells is incorrect.

Which of the following statements is $NOT$ true about heartwood (duramen)?

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Statement-$1$: Heartwood is more durable and resistant to the attacks of microorganisms and insects compared to sapwood.
Statement-$2$: Heartwood contains organic compounds like oils,aromatic substances,gums,resins,tannins,and phenols.

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