alleryStart learning →Which tissue has cells that are dead at maturity?
APhloem sieve tubes carrying sugar solution
BTracheids in xylem of vascular plants
CCardiac muscle fibres beating in the heart
DEpithelial lining of the small intestine
Answer & Solution
Correct answer: B. Tracheids in xylem of vascular plants
1. The chapter notes xylem tracheids and vessels are dead at maturity.
2. This leaves empty conduits ideal for water flow.
3. Phloem, muscle and epithelium retain living cytoplasm.
4. So the dead-at-maturity option is xylem tracheids.
_Source: Selina Concise Biology Class 9, Ch 3 Tissues, Plant and Animal Tissues (Mistral OCR'd PDF), section on xylem_
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