問題詳情

38. When a nursery worker pinches off the terminal buds on a young plant to make it grow bushy, whichplant hormone, when produced, is mainly responsible for growth of side branches?
(A) an auxin
(B) a gibberellin
(C) a cytokinin
(D) abscisic acid (ABA)

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增