NEET 2012 Biology question

Water containing cavities in vascular bundles are found in

(1)Pinus
(2)Sunflower
(3)MaizeCorrect
(4)Cycas

Answer: (3)

Solution

In the vascular bundles of monocot stems such as maize, the protoxylem elements disintegrate to form a water-containing (lysigenous) cavity in the bundle. The bundles are conjoint,

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Question ID VK-091152