11.auxins & gibberellins stimulates stem elongation
15.Auxins,cytokinins, & gibberellins promote root growth
19.abscisic acid inhibits growth
16.gibberellins & cytokinins promote germination
6.abscisic acid closes stomata during water stress absicisic acid promotes dormancy
20.jasmonate mediate plant defences againt insect herbivores regulate a wide range of physiological process
21.strigolactones regulate apical dominance, seed germination, and mycorri hizal association