2020-2021学年北师大版七年级上册生物课堂小测2.3.1细胞的基本结构和功能
※题型：单选题※知识点：单选题※试题难度：中等<br>下列生物实验所用常规器材中,对观察对象不具有放大作用的是( )<br>A.目镜 B.物镜 C.反光镜 D.放大镜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/84b801cc503b4009b30e9c46ebff0170/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/76d39b6363a64c2cb8ab75d3e89d93fb/FB3C03BCEF68F5DEEE05F5F7A6C1DE6E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>用下列四台显微镜分别观察洋葱鳞片叶内表皮细胞,视野中细胞数量最多和视野最暗的分别是( )<br><tbody><br>显微镜序号<br>目镜<br>物镜<br>甲<br>5×<br>40×<br>乙<br>10×<br>40×<br>丙<br>10×<br>4×<br>丁<br>15×<br>10×<br></tbody><br>A.丙、甲 B.丙、乙 C.乙、甲 D.乙、丙<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0494c08057f6494884cbab477a4675a7/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/d1b90891250c41d68b1f700453fda4c7/E526F3C1C98C6970AC63C1D6B634F766.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>动物细胞的基本结构包括( )<br>A.细胞壁、细胞质、细胞核<br>B.细胞膜、细胞核、细胞质<br>C.细胞膜、细胞质、细胞核、细胞壁<br>D.细胞核、染色体、线粒体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/295156fe96464462ba32145b0289730c/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/86c59cd6b83b4ab1a584a9c05db43853/15DC5E47654AE94D3B2DC5E3523CE948.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>植物细胞的细胞结构由外向里依次是( )<br>A.细胞壁、细胞膜、细胞质、细胞核<br>B.细胞膜、细胞质、细胞壁、细胞核<br>C.细胞壁、细胞质、细胞膜、细胞核<br>D.细胞壁、细胞核、细胞膜、细胞质<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ec08e27b80e84c5e94eb3aac8d5a0b69/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a0ff48facb204e6f916eb4587f78ddbb/073295DE62B0D63D4C9EE45A74BB7211.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>观察人体口腔上皮细胞和洋葱鳞片叶内表皮细胞时,为了识别各部分结构,都会用到的试剂是( )<br>A.碘液 B.生理盐水 C.酒精 D.清水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b02139d36b834fffb802520e4e740820/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>洋葱鳞片叶内表皮细胞具有,而人体口腔上皮细胞不具有的结构是( )<br>A.细胞壁 B.细胞质 C.细胞膜 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6b7b438efe04412688f7f00b1f21735a/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9b48c8a7bc4b403da99b099d6f618f3d/72B3932703237CE6008995B665AA6831.png"><br><br>
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