In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through :

Question

In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through : (A) aerenchyma (B) crichomes (C) pneumatophores (D) lenticels

Tardigrade Admin · Accepted Answer

Mature stems of woody plants have a peripheral water proof tissue called cork (Phellum). A number of scars found on the surface of cork known as lenticels. Lenticels allow the gaseous exchange between the atmosphere and living cells below the cork.

Q. In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through :

aerenchyma

crichomes

pneumatophores

lenticels

Mature stems of woody plants have a peripheral water proof tissue called cork (Phellum). A number of scars found on the surface of cork known as lenticels. Lenticels allow the gaseous exchange between the atmosphere and living cells below the cork.