問題詳情

17.Which of the following hormones would be most useful in promoting the rooting of plant cuttings?
(A) auxins
(B) gibberellins
(C) abscisic acid
(D) oligosaccharins

參考答案

答案：A
難度：適中0.666667
統計：A(42),B(5),C(13),D(3),E(0)