Apical dominance is stimulated by auxin,whereas it is inhibited by:

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.

Leaf senescence is inhibited by which of the following?

Several horticultural techniques are followed for the production of 'bonsai' plants. One of them is the drastic pruning of the root system. Which of the following physiological factors is involved in that method?

Which of the following is a kinetin derivative?

What should be added with auxin to hasten cell division in callus?