Question

What are 'pneumatopores' ?? how do they help the plant ? ? give an eg.

Answer 1

Pneumatopores specialized 'breathing' root developed in some plant species that grow in waterlogged or strongly compacted soils, e.g-mangroves. The aerial part of the root contains many pores, enabling gas exchanges with the atmostphere. Internally, a well developed system of incellular spaces allows gases to diffuse throughout the submerged portion of the roots

Answer 2

Neumatophores are erect roots that are some form of upward appendage or extension of  the root system can obtain oxygen in an otherwise anaerobic substrate They also help in aeration. eg red mangrove,swampy plants: