Name the plant hormones responsible for the following
(a) elongation of cells
(b) growth of stem
(c) promotion of cell division
(d) falling of senescent leaves.
Solution:
(a) Auxin helps in the elongation of cells
(b) Gibberlin help in the growth of stem
(c) Cytokinin help in promotion of cell division
(d) Abscisic acid leads to falling of senescent leaves.