Q23Multiple choice
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
- a.Increase yield of sugar cane
- b.Promote lateral shoot growth
- c.Cause sprouting of potato tuber
- d.Inhibit seed germination Ans. a. GA3/gibberellin/gibberellic acid. b. Cytokinin zeatin/kinetin/Kn. MODEL ANSWERS TO DESCRIPTIVE QUESTIONS 137 c. C2H4/Ethylene. d. ABA/Abscissc acid.