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Question

A cavity present in vascular bundles of Maize is formed by


A
Degeneration of xylem parenchyma
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B
Replacement of phloem parenchyma
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C
Disruption of protoxylem
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D
Dissolution of cells between metaxylem vessels
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Solution

The correct option is C Disruption of protoxylem

In the vascular bundles of monocot stem, disruption of some of the protoxylem cells leads to the formation of a lysigenous cavity called protoxylem lacuna. It acts as a water cavity.

So, the correct option is ‘Disruption of protoxylem’.


Biology

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