Anatomy of Flowering PlantsHard

Question

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

Options

A.aerenchyma
B.trichomes
C.pneumatophores
D.lenticels

Solution

During secondary growth, where epidermis is replaced by though and hard periderm, the cracked/ruptured epidermis from the small holes called lenticels which help in gaseous exchange.

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