How do the following structures help in respiration in plants?
(a) Lenticels ..................... (b) Stomata ............................ (c) Root hairs.............................
Which pair performs a common function?
(a) Stomata and veins
(b) Stomata and lenticels
(c) Lenticels and sepals
(d) Lenticels and hydathodes
(a) Lenticels
(b) Stomata
(c) Root hairs