Give differences : Heartwood and Sapwood
Give differences : Heartwood and Sapwood
| Heartwood | Sapwood |
| $(1)$ In old trees where secondary growth takes place in sufficient amount, that region is called Heartwood. | $(1)$ The outer region of secondary wood that possesses young xylem cells, such region is called sapwood. |
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$(2)$ Its cells are filled with Tanin, Resin and other substances. |
$(2)$ It has living cells, tubes and fibres. |
| $(3)$It is durable and has black colour | $(3)$ It is soft and of yellow colour. |
| $(4)$ It gives mechanical strength. | $(4)$ It does physiological processes of plant. |
| $(5)$ It loses the property of water transport. | $(5)$ It transports water and nutrients and stores food. |
Similar Questions
After two or three years of the secondary growth, the cortex in dicot root
In the primary tissues of the stem, the cambium separating xylem and phloem is called
In the primary tissues of the stem, the cambium separating xylem and phloem is called
Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.
$I.$ Secondary cortex
$II.$ Autumn wood
$III.$ Secondary phloem
$IV.$ Phellem
Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.
$I.$ Secondary cortex
$II.$ Autumn wood
$III.$ Secondary phloem
$IV.$ Phellem
Identify the correct statements:
$A$. Lenticels are the lens-shaped openings permitting the exchange of gases.
$B$. Bark formed early in the season is called hard bark.
$C$. Bark is a technical term that refers to all tissues exterior to vascular cambium.
$D$. Bark refers to periderm and secondary phloem.
$E$. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below:
Identify the correct statements:
$A$. Lenticels are the lens-shaped openings permitting the exchange of gases.
$B$. Bark formed early in the season is called hard bark.
$C$. Bark is a technical term that refers to all tissues exterior to vascular cambium.
$D$. Bark refers to periderm and secondary phloem.
$E$. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below:
- [NEET 2023]
Select the wrong statements
$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact
Select the wrong statements
$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact