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The distinct cavities (lacunae) found in...

The distinct cavities (lacunae) found in a mature vascular bundle of maize stem are formed due to

A

Disruption of protoxylem as well as lysis of adjacent xylem parenchyma

B

Disruption of protoxylem alone

C

Lysis of xylem parenchyma

D

Dissolution of common wall between a few metaxylem elements and their consequent coalition

Text Solution

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The correct Answer is:
A
The lowermost protoxylem and xylem parenchymal cells dissolve forming a cavity called protoxylem cavity.
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