Identify $X$ and $Y$
Identify $X$ and $Y$
- A
$X$ - Medulary ray, $Y$ - Cambium ring
- B
$X$ - Secondary xylem, $Y$ - Cambium ring
- C
$X$ - Secondary phloem, $Y$ - Secondary xylem
- D
$X$ - Cambium ring, $Y$ - Secondary xylem
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Growth rings $(annual\ rings)$ are formed by activity of
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Growth rings determine
Growth rings determine
Bark refers to all tissues exterior to the
Bark refers to all tissues exterior to the
Cork cambium is otherwise called
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.