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6.Anatomy of Flowering Plants
medium
What is/are true about heartwood?
$I.$ It does not help in water conduction.
$II.$ It is also called alburnum.
$III.$ It is dark in colour but very soft.
$IV.$ It has tracheary elements, which are filled with tannin, resin, etc.
A
$II, III$ and $IV$
B
$I$ and $IV$
C
$II$ and $IV$
D
$I, II$ and $III$
Solution
Heartwood is also called duramen. It represents the central wood of the plant. It is dark in colour and heavier in weight. Living cells are absent. It represents non-functional part of the secondary xylem (wood).
Standard 11
Biology
