What is the primary structural difference between plant tracheids and xylem vessels?

Type: MCQ • Marks: 1

A. Tracheids are single tapered cells with pitted walls; vessels are multicellular tubes with perforated ends

B. Vessels transport food; tracheids transport water

C. Tracheids are living; vessels are dead

D. Tracheids lack lignin

Explanation

Tracheids are single elongated cells, whereas vessels are stacked tubular multicellular structures.

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Class 9th Science (MCQ)

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