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easyMCQNEET (UG) 20172026Biology
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Which of the following is made up of dead cells?

  1. A
    Collenchyma
  2. B
    Phellem
  3. C
    Phloem
  4. D
    Xylem parenchyma

Solution & Step-by-step Explanation

Phellem (cork) is produced by the cork cambium (phellogen) and is composed of dead cells with suberized walls. Collenchyma, Xylem parenchyma, and Phloem (sieve tubes/companion cells) contain living cells.

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Try it yourself before checking the explanation above.

Which of the following is made up of dead cells?
A
Collenchyma
B
Phellem
C
Phloem
D
Xylem parenchyma

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Anatomy of Flowering PlantsTissuesPhellem

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