Cytokinin was first synthesized by:

Which one of the following is $NOT$ a function of cytokinins?

Give scientific reasons:
$(1)$ Cytokinin is an evergreen hormone.
$(2)$ Growth is regulated by multiple factors.

Which of the following functions is/are not the function$(s)$ of cytokinin?
$I.$ New leaves formation
$II.$ Chloroplast formation in leaves
$III.$ Lateral shoot formation
$IV.$ Adventitious shoot formation
$V.$ Rooting on stem cuttings
Choose the correct option.

Which chemical must be applied to the roots to keep the leaves of a plant green?

Cytokinin is a hormone whose main function is