In which group of plants are xylem vessels typically absent?
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Correct answer: Gymnosperms
Most gymnosperms lack vessels and rely solely on tracheids for water conduction. Vessels are a hallmark evolutionary feature found predominantly in angiosperms.
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More Permanent Tissue questions
- The 'starch sheath' in dicot stems refers to which specific layer of tissue?
- Which of the following is a function of the bulliform cells found in grass leaves?
- The complex permanent tissue phloem differs from xylem primarily because:
- What defines a 'complex' permanent tissue compared to a 'simple' permanent tissue?
- Casparian strips, made of suberin, are found in the walls of cells in which tissue?
- The phloem of gymnosperms differs from that of angiosperms because it lacks: