admins 发表于 2021-8-18 22:50:53

3.3绿色植物与生物圈的水循环第2课时2021-2022学年生物人教版七年级上册随堂小测

※题型:单选题※知识点:单选题※试题难度:较易<br>做“观察叶片气孔”实验时,最好用镊子撕取叶片的(&nbsp;)<br>A.上表皮&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.叶肉&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.下表皮&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.叶脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/7d37c865aa424374b0a767788e651abd/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/48a3569459824ad5badf21a70f214ec5/07C076D28BB27C51D9EB477187A6B005.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>为观察叶片的结构,在制作和观察叶片临时装片时,错误的是(&nbsp;&nbsp;&nbsp;)<br>A.选取绿色的叶片&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.将叶片进行横切<br>C.将叶片进行纵切&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.用低倍镜观察<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/3ebc2af8376c4e06825ed48cf9db699c/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/d45840dd853a4c13a0cab5d25db7f81c/01619C88A4EDEE787FD70FC0A63FFA33.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下图是蚕豆叶不同切面结构示意图。在“制作与观察蚕豆叶片下表皮的临时装片”的实验中,低倍镜视野下观察到细胞数目最多的是(&nbsp;)<img src="https://picture2.zhihuicn.com/testImage/2/2019/1/3/43D33616E1079C687673DCD3173460EB.png"><br>A.②&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.③&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.④&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.⑤<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/45a4f82fb84640ce86ac66e842eb72dd/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/65f6bba5374a4b08adb40511afacb6c3/91D776A6C3AE9ACDD66F66CCE8EAF1E2.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>雨后经常可以看到荷叶上有晶莹剔透的水珠在滚动。荷叶上的水珠没能渗透到叶片内部的原因是(&nbsp;)<br>A.蒸腾作用在“吐水”&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.叶片正面没有气孔<br>C.叶片表皮有角质层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.叶片需要的水来自根部<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/14113e86105b424d8b43890b3aff4110/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/a5d528832786460f90c731007338adcd/55C0A2B84C6AF7E4BB3D8489AC070ECE.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>关于叶的结构和功能的描述,错误的是(&nbsp;&nbsp;&nbsp;)<br>A.叶的表皮细胞是无色透明的<br>B.叶片上只有叶肉细胞含有叶绿体<br>C.叶脉具有输导和支持的作用<br>D.叶表皮上的气孔是气体进出叶的门户<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/89731c81ce4c4ce989942990feafe752/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fef08ceee25a4c76aa9e00b9088453ce/C6678D2B9012D93CB04ECFB3421ADE06.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>在进行“观察叶片的结构”实验时,看到的菠菜叶横切面如图所示,下列说法错误的是(&nbsp;&nbsp;&nbsp;)<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/3/A0E71B4C1107BD6430D7CDB5E211E36D.png"><br>A.图中3的细胞内含有较多的叶绿体<br>B.叶片与外界进行气体交换的“门户”是图中的4气孔<br>C.多数植物的叶片通过上表皮散失的水分比下表皮多<br>D.气孔的开闭由5保卫细胞控制<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/d358f4bb81eb4c0c830447765c3dd022/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/a6355820790a4ae587c6fafd869c766b/1D5BADD9F5DC1C54DBA575DF971A958A.png"><br><br>
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