Secondary growth or increase in diameter is due to
Secondary growth or increase in diameter is due to
- A
Ground meristem
- B
Procambium
- C
Cork and phelloderm
- D
Vascular cambium
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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.
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.
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Identify $X$ and $Y$ in figure
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$X-Y$