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Question

Tracheids differ from vessels in their
Origin
Function
Non-lignified walls
Being non-perforated

A

Non-lignified walls

B

Function

C

Being non-perforated

D

Origin

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Solution

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Vessels have perforations in their cross walls. Water and minerals are efficiently conducted through these perforations. Vessels are present in most of the angiosperms and also in certain lower plants like Gnetum, Marsilea and Selaginella. Whereas tracheids are non-perforated. Conduction of water and minerals is not as efficient as in vessels. Tracheids are found in pteridophytes, most of the gymnosperms and few angiosperms.
Therefore, the correct answer is option D.

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