The structures for gaseous exchange in breathing roots are

A.

stomata

B.

lenticels

C.

cuticle

D.

mitochondria

Correct answer is B

Breathing roots, also known as pneumatophores, have portions of the root which grow upward until they project some centimetres above the low-tide level. They have small openings called lenticels in their bark so that air can reach the rest of the plant’s root system.