2021-2022学年七年级上册生物人教版每节一练：2.1.3动物细胞（基础题）
※题型：单选题※知识点：单选题※试题难度：中等<br>使用显微镜观察人的口腔上皮细胞临时装片时,若光线很强,应选用的光圈和反光镜依次是( )<br>A.较大的光圈,平面镜 B.较大的光圈,凹面镜<br>C.较小的光圈,平面镜 D.较小的光圈,凹面镜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/160202ff5f3d46f08c5c6a24830a03ce/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/90804b75183c48a8bebb0e2ea33eaffd/F49A3ADD7CBCFE7A7A5355F5E7B8550B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在制作人口腔上皮细胞临时装片时,为了避免视野中出现气泡,下面的操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/60F0B87069071862A4277C3C99E7DF71.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/1936CE038FCE63FC13B030F3D8475956.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/8A6A0BADCEC9E5EA8C6F957C439B209A.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/21/E4EE39B80E3FBD52A86CCB8B2854561F.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/9502f79c95eb452486f2078bbae6c0e7/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/e71a103f0a924d699146685abd77a867/B29FEA006725C95BCB355AFFE28FC352.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>小张在制作人的口腔上皮细胞临时装片时,需要用稀碘液对细胞染色,为了让稀碘液浸润标本的全部,下列操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/3/11DA824E661A23AE99DF927C602BCD6C.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/3/2B381EDF6A2F6476B2AC49EE1C4E3B18.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/3/BFB4925D427D1D8FC50D08F09670D661.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/3/81C124F359DD84CE62FBC6BA1BD9E0D8.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ebcd367645884fefa96dacffbd2f47a1/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/748161ad94a448b595e281c93b641959/583BD083FC056A06581589A17C8E63B4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在制作人口腔上皮细胞临时装片时,将标本放于0.9%的生理盐水中,目的是( )<br>A.保持标本透明度 B.防止标本干燥<br>C.容易染色 D.保持细胞原有形态<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/1a1d6e4744024e17849467341095f724/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/fc9e4f7db28f46388b96fcc9b79a200a/52C2D2C81CD8C8F48707855795C665EE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在制作人的口腔上皮细胞临时装片时,为了更清楚地观察细胞的结构,可以对细胞进行染色。染料用的是( )<br>A.蒸馏水 B.清水 C.稀碘液 D.生理盐水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/2e65fa6e03ce4bbfaa54f00affc533f9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/db43a6e747ac479e90d27ddb7f5508f5/1032C0B8909B79B0979FB7D69F0A7937.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>如图是制作人口腔上皮细胞临时装片的操作顺序图,下列操作顺序正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/8/4/C9FECA83F4A72BAD397B0A4EDB05EB60.png"><br>A.①②③④⑤ B.②①③④⑤ C.①②③⑤④ D.①③②④⑤<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/d1243583c32f43849691dfa89f52a211/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/2c89efffb063404da2057fbb7eecc68e/21E506577ACF2F80B7CB3B9B75AC0C9E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>与人的口腔上皮细胞相比,洋葱鳞片叶内表皮细胞中特有的结构是( )<br>A.细胞核 B.细胞质 C.细胞膜 D.细胞壁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4cd71961099d44b7bcd9dd22187d6f82/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/80c79fbf340640cd95931f13afdc9f67/E078756505EEC9EFA636FA13FCFD902A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>人体口腔上皮细胞和洋葱鳞片叶内表皮细胞都具有的结构是( )<br>①细胞壁 ②细胞膜 ③细胞质 ④细胞核 ⑤线粒体 ⑥叶绿体 ⑦液泡A.①②③④ B.②③④⑤ C.①④⑤⑥ D.②③④⑥<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/fb9bbcbd97e946a2beea42189ae1cbbb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/9948b5a44aef4120851f540e7b8df870/7F20B67399F3D7DBB2580F6F9E1B91FD.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>小名同学在显微镜下观察一种细胞,这种细胞具有细胞壁,细胞膜,细胞质,细胞核和液泡,那么这种细胞肯定不是( )<br>A.洋葱鳞片叶表皮细胞 B.苹果的果肉细胞<br>C.菠菜的叶片细胞 D.人的口腔上皮细胞<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/8364ce2c41b248aaa6558a2eaec7a2a2/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/3457b12b116c4350809efa5b518637f4/DF8FE483006EC5E26C4A1F1E1477B9AA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下面是某同学对如图所示动物细胞结构所做的标注。其中错误的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/9/FFD039F647D17C51D30145E4783ED7C1.png"><br>A.①是细胞核 B.②是细胞壁 C.③是细胞质 D.④是线粒体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e3099e74182d4fb1be862084578b39ca/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/cfb793f80dd941e0bb029685d1fc7eb6/3BA8AD86F72DD023C7FAD0C8F7046557.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>我们的身体都是由细胞组成的,下列细胞中,不参与组成我们身体的是( ) A.<img <br>B.<img <br>C.<img <br>D.<img <br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/2BB966A0E0D0EF1A330D14E3ADEDA5C5.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/292433949D7E3A33AE989E634FE33C1D.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>某同学在使用显微镜观察人的口腔上皮细胞时,有以下操作过程:<br>取<br>一<br>洁净的载玻片,在载玻片的中央滴一滴<br>0.7%<br>的生理盐水,用凉开水把口<br>漱<br>干净,取一根消过毒的牙签在口腔内侧壁上轻轻刮几下,再把牙签放在载玻片的<br>液滴中涂几下<br>,然后直接把载玻片标本放在显微镜下观察。请回答:<br>1.使用生理盐水的目的是:。<br>2.制作前,用凉开水将口漱干净的目的是:。<br>3.此同学操作过程中有一处明显的错误,请改正:。<br>4.此同学操作过程中缺少一个重要的步骤,请你补充出来:。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fba068636c4b419b911fab90c0ef3103/CA85DF0D479B93A43960688BC7FF47E8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/df6625c0433d4ac38d5a43846ca3e433/229069FC9EACAA9C426BC6E4E70C5E14.png"><br><br>
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