Closed vascular bundles lack

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6.Anatomy of Flowering Plants

normal

Closed vascular bundles lack

ground tissue

conjunctive tissue

cambium

pith.

(AIPMT-2012)

Solution

(c) : Vascular bundle consists of complex tissues, the phloem and xylem. In dicots, between xylem and phloem, cambium is present which helps in secondary growth. This type of vascular bundle is called open. While in monocots cambium is absent, so these are called closed vascular bundles.

Standard 11

Biology