生长素调节作为植物生命活动调节的最重要内容,近几年的高考中时有出现,笔者对常见生长素作用问题选析如下,但愿能为工作忙碌中的同仁们以及学习任务繁重的同学们做些参考.例1扦插时,保留有芽和幼叶的插枝比较容易生根成活,这是因为芽和幼叶可以().A.迅速生长B.进行光合作用C.产生生长素D.表明插枝的死活 Auxin regulation as the most important part of the regulation of plant life activities, college entrance examination in recent years have emerged from time to time, the author analyzes the role of common auxin as follows, hoping to work for the busy colleagues and students studying heavy tasks For example, when cuttings are cuttings, shoots that retain buds and young leaves are more likely to survive because buds and young leaves can grow rapidly (A.A.) B. Photosynthesis C. Production of auxin D It shows the life and death of cuttings