The function of cork cambium $(phellogen)$ is to produce
The function of cork cambium $(phellogen)$ is to produce
- A
Cork and secondary cortex
- B
Secondary xylem and secondary phloem
- C
Cork
- D
Secondary cortex and phloem
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In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through
In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through
- [AIIMS 2004]
Annual rings are distinct in plants growing in
Annual rings are distinct in plants growing in
Youngest layer of secondary xylem in wood of dicot stem is located just
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.