Question

Q. What is rhytodome?​

Answer 1

Complete question:

What is Rhytidome ?

Answer:

Dead phloem tissue in the bark is called rhytidome.

Explanation:

The bark is an outer covering found in developed trees. This tissue is a hard layer which is permeable to exchange of gases and many other substances through tissues called lenticels. The phellogen layer cells inside the bark may extend till the phloem and make it impermeable to exchange. This is called the rhytidome. The major function of this tissue is to protect the tree from microorganisms and insects as a tough outer covering. This layer is made up of suberin, a fatty layer which contributes to its appearance and function.

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Answer 2

Rhytidome is the Dead phloem tissue in the bark.

Explanation:

• The outer bark of the tress which is an outer covering found in developed trees as last produced periderm.
• The outer bark is layered which contains cork and aged dead phloem which make it permeable to exchange.
• The inner layer extends upto phloem.
• The hard layer is able to exchange gases and other substances through the tissues called lenticels.
• The functions of the tissue is to protect the tree with the tough outer covering from microorganisms and insects.
• By remaining a tough cover it protects the tree.
• The layer is made up of suberin, a fatty liver which helps in giving appearance and function to the  tree.

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