1. Tardigrade
  2. Question
  3. Biology
  4. Which of the following statements are correct about phloem? (i) Phloem transports food materials, usually from leaves to the other parts of the plant. (ii) It is composed of sieve tube elements, companion cells, phloem parenchyma and phloem fibres. (iii) The companion cells are specialised parenchymatous cells which are closely associated with phloem parenchyma. (iv) The first formed primary phloem consists of narrow sieve tubes and referred to as protophloem and the later formed phloem has bigger sieve tubes and referred to as metaphloem.

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Q. Which of the following statements are correct about phloem?
(i) Phloem transports food materials, usually from leaves to the other parts of the plant.
(ii) It is composed of sieve tube elements, companion cells, phloem parenchyma and phloem fibres.
(iii) The companion cells are specialised parenchymatous cells which are closely associated with phloem parenchyma.
(iv) The first formed primary phloem consists of narrow sieve tubes and referred to as protophloem and the later formed phloem has bigger sieve tubes and referred to as metaphloem.

Anatomy of Flowering Plants

Solution:

Phloem transports food materials, usually from leaves to the other parts of the plant. The companion cells are specialised parenchymatous cells which are closely associated with sieve tube elements.