Ncert Exercises & Solutions

14. Plant Growth Substances (PGS) have innumerable practical applications, Name the PGS you should use to

(a) increase yield of sugarcane

(b) promote lateral shoot growth

(d) inhibit seed germination

(a) Gibberellic acid increases the yield of sugarcane.

(b) Cytokinin spray on plants promote lateral shoot growth.

(c) The effect of ethylene on potato causes its sprouting.
(d) ABA - Abscissic acid inhibit the seed germination.