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In dicot stems, the cells of cambium presentbetween primary xylem and primary phloem is
- a)Intrafascicular cambium
- b)Interfascicular cambium
- c)Vascular cambium
- d)Medullary cells
Correct answer is option 'A'. Can you explain this answer?
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In dicot stems, the cells of cambium presentbetween primary xylem and ...
Intra means within. Intrafascicular cambium is present in the vascular bundles of dicot stems. It is present in between primary xylem and primary phloem. It is a primary meristem as it is derived from embryonic meristems. It is present in the plant from the very beginning only so it is primary in origin . It produces primary xylem on inner side and primary phloem on outer side.
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In dicot stems, the cells of cambium presentbetween primary xylem and ...
Intrafascicular Cambium in Dicot Stems
The stem of a dicotyledonous plant is characterized by the presence of a ring of vascular bundles. These vascular bundles are arranged in a circular manner around the pith of the stem. Each vascular bundle consists of xylem and phloem tissues, which are separated by a layer of cambium.
The cambium is a thin layer of meristematic tissue that is responsible for the growth in thickness of the stem. The cambium produces new cells on both its inner and outer sides. The cells produced on the inner side of the cambium differentiate into xylem tissue, while those produced on the outer side differentiate into phloem tissue.
In dicot stems, there are two types of cambium - intrafascicular cambium and interfascicular cambium. Let's discuss the intrafascicular cambium first.
Intrafascicular Cambium
The intrafascicular cambium is located within the vascular bundle, between the primary xylem and primary phloem. It is derived from the procambium of the embryonic stem. The intrafascicular cambium is responsible for the formation of secondary xylem and secondary phloem within the vascular bundle.
The cells of the intrafascicular cambium divide actively, producing new cells on both sides. The cells produced on the inner side differentiate into secondary xylem, while those produced on the outer side differentiate into secondary phloem. As a result, the vascular bundle increases in thickness, and the stem becomes thicker.
Interfascicular Cambium
The interfascicular cambium, on the other hand, is located between the vascular bundles, in the ground tissue of the stem. It is derived from the parenchyma cells of the stem. The interfascicular cambium is responsible for the formation of secondary xylem and secondary phloem in the regions between the vascular bundles.
The cells of the interfascicular cambium divide actively, producing new cells on both sides. The cells produced on the inner side differentiate into secondary xylem, while those produced on the outer side differentiate into secondary phloem. As a result, the ground tissue of the stem between the vascular bundles becomes thicker, and the stem becomes wider.
Conclusion
In summary, the cells of cambium present between primary xylem and primary phloem in dicot stems is the intrafascicular cambium. It is responsible for the formation of secondary xylem and secondary phloem within the vascular bundle, and it is derived from the procambium of the embryonic stem.
The stem of a dicotyledonous plant is characterized by the presence of a ring of vascular bundles. These vascular bundles are arranged in a circular manner around the pith of the stem. Each vascular bundle consists of xylem and phloem tissues, which are separated by a layer of cambium.
The cambium is a thin layer of meristematic tissue that is responsible for the growth in thickness of the stem. The cambium produces new cells on both its inner and outer sides. The cells produced on the inner side of the cambium differentiate into xylem tissue, while those produced on the outer side differentiate into phloem tissue.
In dicot stems, there are two types of cambium - intrafascicular cambium and interfascicular cambium. Let's discuss the intrafascicular cambium first.
Intrafascicular Cambium
The intrafascicular cambium is located within the vascular bundle, between the primary xylem and primary phloem. It is derived from the procambium of the embryonic stem. The intrafascicular cambium is responsible for the formation of secondary xylem and secondary phloem within the vascular bundle.
The cells of the intrafascicular cambium divide actively, producing new cells on both sides. The cells produced on the inner side differentiate into secondary xylem, while those produced on the outer side differentiate into secondary phloem. As a result, the vascular bundle increases in thickness, and the stem becomes thicker.
Interfascicular Cambium
The interfascicular cambium, on the other hand, is located between the vascular bundles, in the ground tissue of the stem. It is derived from the parenchyma cells of the stem. The interfascicular cambium is responsible for the formation of secondary xylem and secondary phloem in the regions between the vascular bundles.
The cells of the interfascicular cambium divide actively, producing new cells on both sides. The cells produced on the inner side differentiate into secondary xylem, while those produced on the outer side differentiate into secondary phloem. As a result, the ground tissue of the stem between the vascular bundles becomes thicker, and the stem becomes wider.
Conclusion
In summary, the cells of cambium present between primary xylem and primary phloem in dicot stems is the intrafascicular cambium. It is responsible for the formation of secondary xylem and secondary phloem within the vascular bundle, and it is derived from the procambium of the embryonic stem.
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Community Answer
In dicot stems, the cells of cambium presentbetween primary xylem and ...
Intra fascicular cambium only
If the cells of medullary rays adjoining intrafascicular cambium become meristematic.. It forms the interfascicular cambium....
If the cells of medullary rays adjoining intrafascicular cambium become meristematic.. It forms the interfascicular cambium....
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In dicot stems, the cells of cambium presentbetween primary xylem and primary phloem isa)Intrafascicular cambiumb)Interfascicular cambiumc)Vascular cambiumd)Medullary cellsCorrect answer is option 'A'. Can you explain this answer?
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