NEET Biology question

Vascular bundles in monocotyledons are considered closed because

(A)Xylem is surrounded all around by phloem
(B)There are no vessels with perforations
(C)A bundle sheath surrounds each bundle
(D)There is no secondary growthCorrect

Answer: (D)

Solution

A vascular bundle is termed "closed" when no cambium is present between its xylem and phloem, meaning it cannot undergo secondary growth. In monocotyledons,

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Question ID VK-105286