Which of the following is made up of dead cells ?

1. Collenchyma

2. Phellem

3. Phloem

4. Xylem parenchyma

Doubtly Asked 30 Oct 2026 NEET UG 2017 Practice test neet Save WhatsApp Report

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Answer: 2. Phellem

Phellem (cork) is made of dead cells with suberin deposits in the walls and no protoplasm.

Collenchyma, phloem (sieve elements and companion cells) and xylem parenchyma are living tissues.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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