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Anatomy of Flowering Plants
Xylem: Tracheids and Vessels
1 question from 1 paper, each with its answer.
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Concepts tested
- Structure of vessels and tracheids
All Questions
2002 AIPMT 1 question
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Which of the following statement is true : -A vessel is a long tube formed by many cells (vessel members) joined end to end, with their end walls dissolved (perforated). So vessels are multicellular and have a wide lumen.
A tracheid is a single elongated cell with tapering ends and lignified walls. So tracheids are unicellular and have a narrow lumen.
So the true statement is: vessels are multicellular and with wide lumen.