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某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两�后观察两株幼苗的 Template






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sketch 3390 Beautiful drawing by Jessie Lightwood
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tomski某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两�后观察两株幼苗的 coloring
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某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两后观察两株幼苗的 sketch template
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某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两后观察两株幼苗的 sketch template
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某学习小组的同学对实验室制取二氧化碳及二氧化碳的性质进行如下两个方面的探究。Ⅰ二氧化碳的制取第一小组用如图所示的装置制取二氧化碳并测定生成 sketch template
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某实验小组的同学在探究“绿色植物进行光合作用”时，用银边天竺作为实验材料完成了如图所示的实验步骤，请你根据以下实验步骤，回答下列问题。 1 sketch template
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某学习小组在探究碳酸钠的化学性质时做了下图所示的三个实验．1实验一探究碳酸钠溶液的酸碱性．观察到试管中溶液变为红色可得出的结论是碳酸 sketch template
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为了探究绿色植物的光合作用某同学选择一盆栽植物作为实验材料他的实验装置如图所示请回答1实验中将植物放在暗处一昼夜的目的是让叶片 sketch template
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7．某生物兴趣小组的同学为了探究植物的生活动设计了以下实验装置请据图分析回答下列问题1装置A实验进行一段时间后用手挤压料袋 sketch template
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某化学兴趣小组为探究SO2的性质按如图所示装置进行实验．请回答下列问题1装置A中盛放浓硫酸和亚硫酸钠的仪器名称分别是分液漏斗分液漏斗 sketch template
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某研究性学习小组的同学欲利用下列装置探究绿色植物吸过程中是否有CO2气体设计的探究过程如下请回答其中的有关问题假设绿色植物在吸 sketch template
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题目某生物小组根据如图所示探究种子的萌条件请判断下列说法错误的是 A 每个烧杯放入量种子而不是1粒种子其目的是减小偶然 sketch template
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某生物研究性学习小组的同学为探究植物的光和作用所需要的原料的实验中将甲乙两盆相同的植株分别用玻璃罩罩住在甲装置中一杯放入氢氧化钠溶液乙 sketch template
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某同学为了探究植物的吸作用和蒸腾作用进行了如下实验1该同学使用如图1所示的实验装置来探究植物的吸作用应将该装置放在 环境中．3 sketch template
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刘芳同学要探究某种植物生长是否需要含氮的无机盐设计方案如下请你帮她将探究活动的过程填写完整．1提出问题 ．2作出假设 ．3实验 sketch template
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32．为了探究赤霉素的生理作用两个研究性学习小组利用玉米分别进行如下实验 第1组探究赤霉素对种子萌的影响 材料用具适宜浓度的赤霉素 sketch template
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28．把右图所示的实验装置放在阳光下以探究植物进行 光合作用必需的某种原料请分析回答下列问题 1该实验探究的光合作用的原料是 sketch template
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某同学要探究植物生长期是否需要含磷的无机盐设计方案如下请帮她将探究过程补充完整．1提出问题含磷的无机盐影响植物的生长吗2作出 sketch template
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为了探究叶片是否是植物完成蒸腾作用的主要器官某研究小组的同学设计了如下的实验方案．首先从一株阔叶植物上剪下大体相同的两个枝条．将一个 sketch template
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题目为研究某植物生长育过程中生长素与细胞分裂素之间的相互作用某生物兴趣小组进行了相关实验后绘出了如图所示曲线以下叙述正确的是 A sketch template
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某研究性学习小组为了探究酶的特性，用某种酶进行了以下四组实验，实验结果如图所示，下列相关说法不正确的是 A．做图1所示的探究实验时不宜 sketch template
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某研究小组的同学调查了野外山坡上三个不同地点ABC的植物群落并测量了三个地点的土壤特征等环境因素结果见下表根据所得数据回答问题生物 sketch template
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光合作用实验吸作用实验光合作用和吸作用图 大山谷图库 sketch template
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刘芳同学要探究某种植物生长是否需要含氮的无机盐设计方案如下请你帮她将探究活动的过程填写完整 1提出问题 2作出假设 ——青夏 sketch template
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2．植物的蒸腾量植物靠根系从土壤中吸收来的水分绝大多数要通过蒸腾作用散失到大气中去例如一株玉米从出苗到结实的一生中大约要从土壤中吸收 sketch template
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某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两后观察两株幼苗的 sketch template
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题目某同学设计如图所示实验探究植物的蒸腾作用以下叙述不正确的是A 甲乙形成一组对照实验以探究叶是蒸腾作用的主要器官B 两个装置 sketch template
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右下图是植物的种子萌及生长育过程请据图回答1可以看出这是一种 子叶植物2在种子萌的过程中 最先突破种皮3在从A sketch template
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某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两后观察两株幼苗的 sketch template
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30．为了探究同一植物不同器官对生长素的反应某生物学研究小组利用以下材料用具进行了实验探究得到下表的数据 材料用具 培养皿量筒直尺 sketch template
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植物体生长所需要的无机盐只有溶解在水中才能被植物体吸收并随着水分运送到植物体的各个器官中 ——青夏教育精英家教—— sketch template
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种子萌的过程 ——青夏教育精英家教—— sketch template
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某兴趣小组同学设计探究光合作用需要某种原料的实验实验前将天竺放在暗处一昼夜按下图示装置安放好光照2 3小时分别取下叶片A和B浸入 sketch template
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题目生物小组的同学要探究某种植物生长是否需要含氮的无机盐设计方案如下请你帮他们将探究活动的过程填写完整1提出问题 2作出 sketch template
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某生物实验小组做“探究植物对空气湿度的影响 实验用干湿计在某一天的早晨中午傍晚分别测量裸地草地灌木丛的湿度每地测3个地点并求出 sketch template
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某学习小组要探究某种植物生长是否需要含氮的无机盐该小组在甲乙两只试管内放入适量营养液各培养一株大小相同的健壮幼苗两后观察两株幼苗的 sketch template
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12．将下列各类植物组织与其主要功能用线连接起来——青夏教育精英家教—— sketch template