Biology
How do the following structures help in respiration in plants?
(a) Lenticels
(b) Stomata
(c) Root hairs
Answer
Given below are the ways in which the following structures help in plant respiration:
- Lenticels — Lenticels are openings present on mature stems. They allow oxygen from the air to diffuse into the stem and carbon dioxide produced during respiration to diffuse out.
- Stomata — Stomata are pores present mainly on the leaves. They allow the exchange of respiratory gases, i.e., oxygen diffuses in and carbon dioxide diffuses out.
- Root hairs — Root hairs are in contact with air spaces present between soil particles. Oxygen diffuses through these air spaces into the root hairs and is used for respiration by root cells.