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Question
Secondary phloem is formed by :
Secondary phloem is formed by :
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Solution
The correct option is C Vascular cambium
Secondary phloem is a type of phloem that forms from the vascular cambium during the secondary growth. The secondary growth is responsible for growth in girth in plants particularly trees.
Secondary xylem and phloem in dicot stem are produced by vascular cambium. Vascular cambium is present between the primary xylem and phloem. Secondary xylem grows towards inside of the cambium and secondary phloem grows towards outside of the cambium.
Plerome represents the inner region of the apical meristem. It consists of thin-walled cells that serve as precursors for stele including the pith. The stele represents the part of the stem and root present inside the cortex. It includes the pericycle, vascular bundle, and the pith.
Procambium is a meristematic tissue which forms the primary tissues in the vascular system. These are continuously dividing cells (meristematic) which are cylindrical in shape and are responsible for producing the vascular tissues to form the primary xylem and primary phloem in mature stems and root.
The apical meristem is a plant growth area found in the root tips as well as the tips of new shoots and leaves.
Thus, the correct answer is option C.
Secondary phloem is a type of phloem that forms from the vascular cambium during the secondary growth. The secondary growth is responsible for growth in girth in plants particularly trees.
Secondary xylem and phloem in dicot stem are produced by vascular cambium. Vascular cambium is present between the primary xylem and phloem. Secondary xylem grows towards inside of the cambium and secondary phloem grows towards outside of the cambium.
Plerome represents the inner region of the apical meristem. It consists of thin-walled cells that serve as precursors for stele including the pith. The stele represents the part of the stem and root present inside the cortex. It includes the pericycle, vascular bundle, and the pith.
Procambium is a meristematic tissue which forms the primary tissues in the vascular system. These are continuously dividing cells (meristematic) which are cylindrical in shape and are responsible for producing the vascular tissues to form the primary xylem and primary phloem in mature stems and root.
The apical meristem is a plant growth area found in the root tips as well as the tips of new shoots and leaves.
Thus, the correct answer is option C.
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