Good evening guys!!
Pls answer 2nd and 4th.
*No irrelevant answers pls*

​​​​​​Dear student,
2) Cytokinin suppresses the apical dominance and promotes growth of lateral buds
4) The natural phytohormone is responsible for all physiological processes in plants.There are five main phytohormones 
AUXIN ,GIBBERELLIN,CYTOKININ,ETYLENE,ABSCISIC ACID. It acts as a signal messenger that coordinates to perform the cellular activities of a plant. 

Regards