Question

Why are there holes in the end of the phloem tubes ? (Short answer)

Answer 1

Answer:

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Explanation:

Phloem consists of sieve tube cells and companion cells for conduction of food These sieve elements are placed end to end . At the the junction of two sieve elements there is a plate called sieve plates having circular pores. Through these perforation the transportation takes place

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Answer 2

There holes in the end of the phloem tubes for conduction.

• The phloem's conducting system is composed of sieve tubes. The movement of organic molecules across the various plant sections is accomplished by phloem. As a result, the molecules from the phloem are able to flow both ways.
• Between the walls of the sieve plate or tube, there are perforations. It facilitates the passage of organic molecules through the sieve tube's cells.
• Since the procedure differs from the movement of water through xylem, the cells require these perforations to facilitate the movement of these molecules.
• Because phloem is made up of companion cells and sieve tube cells for food conduction, the ends of the phloem tubes have holes in them. They are arranged end to end in the sieve. A plate known as a sieve plate with round holes sits at the intersection of two sieve components.

Hence, there are holes in the end of the phloem tubes for conduction.

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