《高中生物必修植物的激素调节》由会员分享，可在线阅读，更多相关《高中生物必修植物的激素调节（32页珍藏版）》请在金锄头文库上搜索。
1、第一章 植物生命活动的调节第一节 生长素的发现及其作用Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.植物的向光性Evaluation only.Evaluation only. Crea
2、ted with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.水植物根的向水性Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Cre
3、ated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.植物根的向肥性肥料Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
4、Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.向重力性Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty
5、Ltd.植物体受到单一方向单一方向的外界刺激外界刺激而引起的定向运动定向运动。1、向性运动概念:2、向性运动意义:接受有利刺激，适应外界环境Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.
6、Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.活动：探究植物的向光性实验材料： 胚芽鞘:单子叶禾本科 植物在种子萌发时，包 在胚芽外面的锥形套， 有保护胚芽中更幼小的 叶和生长点的功能。
7、 尖端尖 端 下 段Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.对照组观察现象， 提出问题： 1.向光性可 能与哪种外 因有关？ 假设与单 侧光有关对照、单一 变量原则分析问题， 提出
8、假说：分析结果， 得出结论：设计实验， 验证假说：单侧光引起 向光性弯曲活动：探究植物的向光性一段时间后一段时间后实验组实验一Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.观察现象， 提
9、出问题：对照、单一 变量原则分析问题， 提出假说：分析结果， 得出结论：设计实验， 验证假说：感受单侧光刺 激的部位在哪 里？ 假设感光 部位在尖 端活动：探究植物的向光性Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011
10、 Aspose Pty Ltd.实验组结论：胚芽鞘的向光性弯曲与尖端有关 （实验二）一段时间后一段时间后对照组Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.结论：尖端是感受光刺激的部位
11、一段时间后实验组对照组一段时间后实验三Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.观察现象， 提出问题：分析问题， 提出假说：分析结果， 得出结论：设计实验， 验证假说：尖端感受单 侧
12、光刺激后 ，如何引起 尖端下部的 弯曲生长？ 假设尖端 可产生某 种化学物 质，可以 运输到下 部，促进 尖端下部 生长。活动：探究植物的向光性Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Lt
13、d.结论：尖端可产生某种化学物质，可以运输到 下部，促进尖端下部生长。实验四Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.实验五-拜耳的实验结论：尖端产生的影响物在其下部分布不均匀 造成
14、下部弯曲生长ABEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.思考：本实验有没有缺陷？如何补充实验？结论：胚芽鞘顶端确实可以产生某种向下运输 的并能引起胚芽鞘下面部分生长的物质 实验六温
15、特对照组Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.实验七-郭葛结论： 胚芽鞘尖端产生的能促进生长的物质是吲哚 乙酸 Evaluation only.Evaluation only.
16、Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.产生向光性的原因单侧光刺激 生长素分布不均匀 （背光一侧多，向光一侧少 ） 生长快慢不同（背光一侧生长快，向光一侧生长慢） 向光弯曲 尖端产生生长素 尖端感光产生生长素生长素横向运输尖端下部： 生长弯曲的部位Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty L
