Question 20 The substance that triggers the fall of mature leaves and fruits from plants is (a) auxin (b) gibberellin (c) abscisic acid (d) cytokinin

Question 20 The substance that triggers the fall of mature leaves and

1.	Question 20 The substance that triggers the fall of mature leaves and fruits from plants is (a) auxin (b) gibberellin (c) abscisic acid (d) cytokinin
Answer» Question 20 The substance that triggers the fall of mature leaves and fruits from plants is (a) auxin (b) gibberellin (c) abscisic acid (d) cytokinin