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某同学在做探究茎对水分和无机盐的运输的实验时进行了如下操作取一新鲜带叶的丁香枝条将其下端插入装有红色溶液的锥形瓶中然后放在温暖�阳的 Template






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sketch 5270 Fresh prince by Fatér Szilvia
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tomski某同学在做探究茎对水分和无机盐的运输的实验时进行了如下操作取一新鲜带叶的丁香枝条将其下端插入装有红色溶液的锥形瓶中然后放在温暖�阳的 coloring
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某同学在做探究茎对水分和无机盐的运输的实验时进行了如下操作取一新鲜带叶的丁香枝条将其下端插入装有红色溶液的锥形瓶中然后放在温暖阳的 sketch template
view template
下图是某同学对“水分和无机盐是通过茎的哪部分运输的 这个问题实施的探究方案以及对茎的观察请回答有关问题1该实验他选择了带叶枝条并放在 sketch template
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水分和无机盐是通过茎的哪部分运输的某同学就这个问题进行了如下探究作出假设水分和无机盐是通过茎的木质部运输的．制定和实施探究方案取一段 sketch template
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在“探究茎对水分和无机盐的运输 实验中 1选择带有叶片的枝条实验装置最好放在阳光直射处目的是 2烧杯中的红墨水在实验中的作用是 sketch template
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小明在探究叶片上下表面气孔数目多的实验时不小心将叶片的上下表面都涂上了凡士林请问他这样做会影响植物的哪些生理活动 A．根对水和无机盐 sketch template
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在“探究茎对水分和无机盐的运输 实验中 1选择带有叶片的枝条实验装置最好放在阳光直射处目的是 2烧杯中的红墨水在实验中的作用是 sketch template
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为研究植物体内有机物的运输某同学做了如下实验选取两枝带有较多不定根和叶的枝条．用刀片对其中一枝进行皮环割处理．环割部位离不定根的距离 sketch template
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“水往低处流 但是植物体内的水却往高处流动力从何而来某同学为此做了两个实验 实验一将一枝条插入充满水的玻璃管中玻璃管的另一端插入盛 sketch template
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进行压条时要预先把枝条埋进土里的部分划破皮这样有利 从而促进生根 A．吸收水分 B．吸收无机盐 C．吸收营养 D．积蓄有机养料 sketch template
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某同学在探究“溶液浓度大小对植物吸水的影响 时做了以下实验请根据题意回答问题．根据如图的办法取2个大小相同的萝卜各从顶端下挖一个大小 sketch template
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下图是番茄不同生长育时期的示意图请据图回答1A萌所必需的外界条件是 2B中运输水分和无机盐的结构是根茎叶中的 3C sketch template
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如图是某同学对“水分和无机盐是通过茎的哪部分运输的 这个问题实施的探究方案以及对茎的观察请回答有关问题1该实验选择了带叶枝条并放在了 sketch template
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将下列结构与其相对应的主要功能用直线连接起来 根 运输有机物无机盐和水 茎 吸收水分和无机盐毛细血管 气体交换 鳃 物质交换．——青夏教育 sketch template
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在“探究水对种子萌的影响 时AB两组同学分别进行了实验设计主要实验设计如图所示1本实验的变量是 ．2你认为AB两组同学的 sketch template
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植物是怎样吸收和运输水分的？ sketch template
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题目某同学想要验证“植物的生活是否需要无机盐 于是将两株同样大小的玉米苗分别放在盛有等量蒸馏水和土壤浸出液的试管中培养．实验结果如下图 sketch template
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题目下图为鲫鱼的形态图据图回答下列各问1鱼类终生生活在水中身体 形利于减阻力2鲫鱼游泳时能够产生前进动力和能保持前进的 sketch template
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木质部中的导管是水分在茎中的运输途径 第三步导管是水分在体内的运输途径“从茎各部分的作用可以看出茎的结构中只有导管是与水分在植物体内的 sketch template
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某生物小组的同学在探究“水分进入植物体内的途径 后得出了如下结论你认为不正确的是 A．根尖吸水的主要部位是成熟区B．根茎叶的导管是 sketch template
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为探究植物体内水分的运输速率与叶面积大小的关系某同学设计了如下实验取两组龄相同生长状况相似的同种植物枝条分别留下6片和3片叶．把 sketch template
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下列哪种因素与根运输无机盐的速度有关 A．土壤中无机盐的含量 B．叶的蒸腾作用C．土壤中空气的量 D．土壤的温度——青夏教育精英家教—— sketch template
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下图是番茄的生长育过程示意图请据图回答 1图中从1→2表示的生理过程是 图中3表示的生理过程是 2图中5是由受精后的 sketch template
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在“探究茎对水分和无机盐的运输 实验中 1选择带有叶片的枝条实验装置最好放在阳光直射处目的是 2烧杯中的红墨水在实验中的作用是 sketch template
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参考教材中探究“种子萌的环境条件 的实验方法设计一个探究“光对种子萌的影响 实验 提出假设 制定计划 1确定实验材料和用具 sketch template
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无土栽培是植物能够从培养液里获得足够的 A．水分和氧气B．水分和有机物C．水分和无机盐D．无机盐和氧气 题目和参考答案——青夏教育精英家教—— sketch template
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某同学在做探究茎对水分和无机盐的运输的实验时进行了如下操作取一新鲜带叶的丁香枝条将其下端插入装有红色溶液的锥形瓶中然后放在温暖阳的 sketch template
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几位同学在探究“水分进入植物体内的途径 时得出如下结论．你认为不正确的是 A．根和茎的导管是连接贯通的B．植物的茎中存在形成层所以任何 sketch template
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某生物小组的同学在探究“水分进入植物体内的途径 后得出了如下结论你认为不正确的是 A．根尖吸水的主要部位是成熟区 B．根茎叶的 sketch template
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如图是根尖的立体和平面结构图识图并填写有关根尖结构和功能的内容．1植物的根能不断地在土壤中延伸的原因是 使细胞数目增多和 使 sketch template
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某同学做了如图中的实验1十几小时后植物的茎变红部位是木质部．2从实验中可知根茎叶中的导管和筛管在植物体内形成了两个相对独立的 sketch template
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某同学在做探究茎对水分和无机盐的运输的实验时进行了如下操作取一新鲜带叶的丁香枝条将其下端插入装有红色溶液的锥形瓶中然后放在温暖阳的 sketch template
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在植物根尖的结构中吸收水分和无机盐的主要部位是 A．分生区B．伸长区C．成熟区D．根冠——青夏教育精英家教—— sketch template
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题目某同学设计了这样的实验他将小麦种子分为等量的两组给予适量的水适宜的温度一组放在阳光下另一组放在暗透气的纸盒里他想要探究的 sketch template
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植物体内运输水分和无机盐的是 部中的 管运输的方是 题目和参考答案——青夏教育精英家教—— sketch template
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5．含氮的无机盐对植物生活的作用 A．促进细胞的分裂和生长使枝叶长得繁茂 B促进幼苗的育和花的开放 C使果实及种子的成熟提早 sketch template