1、C、鱼D、草履虫【答案】：【解析】： 第2题【单选题】我市几年前种下的许多绿化树苗已逐渐长高，植株内有机物大量增多，这些有机物来自植物的（ ）A、呼吸作用B、光合作用C、蒸腾作用D、根的吸收作用 第3题【单选题】家庭中养鱼可以增加生活情趣、陶冶情操，养鱼时，人们喜欢在鱼缸中放一些新鲜绿色水草，主要目的是（ ）A、增加水中氧的含量B、能美化环境C、清洁鱼缸里的水D、起到杀菌作用 第4题【单选题】“万物生长靠太阳”，阳光和植物之间到底存在什么利益关系呢？探究“绿叶在光下制造有机物”的实验，你还记得吗？原来植物在光下完成了光合作用，制造了上题说明绿叶在光下制造的有机物主要是（ ）A、维生素B、淀粉C
2、、蛋白质D、脂肪 第5题【单选题】马铃薯、玉米中含有丰富的淀粉，植物体内的有机物是植物通过什么过程获得的（ ）C、吸收作用D、蒸腾作用 第6题【单选题】如图所示的实验装置探究的是（ ）A、叶片进行呼吸作用释放二氧化碳B、叶片进行光合作用释放氧气C、叶片正面和背面的气孔是否一样多D、绿叶在光下制造有机物 第7题【填空题】俄罗斯著名植物生理学家曾这样说：“它所获取的光和热，不仅养育了地球上的其他生物，而且使巨大的涡轮机旋转，使诗人笔挥舞”请你猜猜它是_。 第8题【实验探究题】为探究绿色植物进行光合作用的有关问题，小明选择一株盆栽的银边天竺葵作为实验材料。实验装置如下图所示，请分析回答：请你设计一个
3、简单方案，以排除叶片中原有的淀粉对实验结果的影响：_。你的方案利用了天竺葵的哪项生理活动？将实验装置放到阳光下照射46小时后，同时摘下叶片A、B，利用_进行脱色处理，然后滴加碘液，观察实验结果。叶片A绿色部分和非绿色部分的结果比较，可以证明_；叶片A绿色部分和叶片B绿色部分的结果比较，可以证明_。若将装置中的透明塑料袋改为黑色塑料袋，同时取走固体氢氧化钠，则叶片A，B绿色部分的实验结果比较，可以证明_。天竺葵进行光合作用所需要的水分是通过其体内的_运输的，运输水分所需要的动力来自于叶片进行_所产生的拉力。 第9题【实验探究题】春天到了，随着气温的升高又到了播种的季节，农民伯伯在雨后或浇地后，先
4、给地松土，然后进行播种某生物学习小组针对这一生活常识设计了“探究影响种子萌发的环境条件”的实验（以大豆种子为材料），实验设计见如图装置：当他们选择2、5两个编号的种子作为一组对照实验时，他们探究的问题是_几天后，2号种子萌发了，5号种子没有萌发，根据这一现象，他们得出的结论是_大豆种子能萌发成幼苗的结构部分是_如果探究种子萌发需要适宜的水分，应选择哪两个编号的种子做对照实验？_假如2号种子没有萌发，请写出一条不萌发的原因_%2D%2D%5Bif%20gte%20mso%209%5D%3E%3Cxml%3E%0A%20%3Cw%3ALatentStyles%20DefLockedState%3D
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