NEET Biology question

A bicollateral vascular bundle has the following arrangement of tissues.

(A)Outer phloem → outer cambium → middle xylem → inner xylem → inner phloem
(B)Outer cambium → outer phloem → middle xylem → inner phloem → inner cambium
(C)Outer phloem → outer cambium → middle xylem → inner cambium → inner phloemCorrect
(D)Outer xylem → outer cambium → middle phloem → inner cambium → inner xylem

Answer: (C)

Solution

In a bicollateral vascular bundle (e.g., Cucurbita), proceeding from the outside inward, the sequence of tissues is: outer phloem → outer (strip of) cambium → xylem (in the middle) → inner

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Question ID VK-105295