Xylem Structure and Function Steps:

• Define xylem as plant tissue for water transport, composed of dead, lignified cells like tracheids and vessels.
• Analyze options for matching xylem features: dead cells, no cytoplasm, perforated ends in vessels, location in vascular bundles.
• Eliminate options with phloem traits (sieve plates) or living cell errors (cytoplasm).
• Select option aligning with vessels as elongated, bundled structures in stems.

Why C is correct:

• Xylem contains elongated vessels forming continuous tubes within vascular bundles in stems, per plant anatomy definitions.

Why the others are wrong:

• A: Sieve plates characterize phloem, not xylem.
• B: Xylem cells are dead without cytoplasm.
• D: Describes only vessels; xylem includes tracheids with intact end walls.

Final answer: C