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Question
When phloem and cambium are present on both sides of xylem, the vascular bundle is called as
When phloem and cambium are present on both sides of xylem, the vascular bundle is called as
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Solution
The correct option is E Bicollateral
When phloem and cambium are present on both sides of xylem, the vascular bundle is called as bicollateral. It is confined to certain dicot stem only. When xylem and phloem elements are found in the same line in which phloem is external to xylem, the arrangement is called collateral and conjoint. In a concentric vascular bundle, one type of vascular tissue encircles the other. This type of arrangement is not present in root. Within a vascular bundle, when xylem and phloem are arranged in an alternate manner on different radii, the arrangement is called as radial. Such arrangement is present in root.
Thus, the correct answer is option C.
When phloem and cambium are present on both sides of xylem, the vascular bundle is called as bicollateral. It is confined to certain dicot stem only. When xylem and phloem elements are found in the same line in which phloem is external to xylem, the arrangement is called collateral and conjoint. In a concentric vascular bundle, one type of vascular tissue encircles the other. This type of arrangement is not present in root. Within a vascular bundle, when xylem and phloem are arranged in an alternate manner on different radii, the arrangement is called as radial. Such arrangement is present in root.
Thus, the correct answer is option C.
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