Multiple choice

Which of the following elements of phloem consist(s) of dead cells?

  1. Sieve tubes

  2. Companion cells

  3. Phloem parenchyma

  4. Phloem fibres

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as phloem fibres are dead cells which possess narrow lumen. They provide mechanical strength to the tissue.