Which of the following are considered as the properties of heartwood?
(I) Region of heartwood comprises of dead cells.
(II) It is involved in conduction of water and minerals.
(III) It provides mechanical support to stem.
(IV) It is lighter in colour.
(V) The region has highly lignified walls.
Choose the correct answer from the options given below.
Text Solution
Verified by ExpertsA
Statements I, III and V represent the properties of heartwood.
The heartwood region comprises dead elements with highly lignified walls. It does not conduct water, but gives mechanical support of the stem. The peripheral region of the secondary xylem, is lighter in colour and is known as the sapwood. It is involved in the conduction of water and minerals from root to leaf.
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