2.3.1细胞的基本结构和功能第2课时—2021-2022学年生物北师大版七年级上册同步作业
※题型：单选题※知识点：单选题※试题难度：较易<br>制作人的口腔上皮细胞临时装片时,首先要在载玻片中央滴一滴( )<br>A.生理盐水 B.清水 C.碘液 D.酒精<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/bee8e196ae2949c18bec7de59bf846b0/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/da91369402db4a9292e46680b71303c1/B747383E70A0CFC76B74FE2926B836F7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>观察口腔上皮细胞临时装片时,我们看到细胞中染色最深的是( )<br>A.细胞壁 B.细胞膜 C.细胞质 D.细胞核<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/BB2EC7DF2BB09E2E1797E1D60F8099BF.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用显微镜观察人口腔上皮细胞临时装片时,观察不到的结构是( )<br>A.细胞核 B.细胞质 C.细胞膜 D.细胞壁<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/2BB966A0E0D0EF1A330D14E3ADEDA5C5.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/AC5261605DB8A2B34D1DEE49D94E1438.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>制作人的口腔上皮细胞临时装片时,下图所示操作滴加的液体是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/24/F1EC34BB956BA17D0B23F52ED7DC94AF.png"><br>A.清水 B.生理盐水 C.碘液 D.红墨水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c6073f1772e24147867034b062e5b26e/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fbdbacb485a6441d974e7acb79f935b5/60EA82DB7A77A930DD3123017EFCE789.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下图是在显微镜下看到的不同形状的细胞,其中为口腔上皮细胞的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/21/C3DE1777681E2B2E76BBF1E4BFC461E8.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/21/31360D4551A6F4DF9FBFB01708E8BBE7.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/21/6199557892237BE509BBC490AEB44896.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/21/05F29200469EF4EA966F0FC00CFBD879.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f8f7f54374d04fcf9f740a5320c1d279/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8bc3799dd2854bafa0790b566935018a/627F47B00C7401BE37DDA1CAC779E78F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下图为制作人的口腔上皮细胞临时装片的步骤,正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/24/B225B555700B570E6FDCC72A3743ED53.png"><br>A.cadb B.acbd C.cdab D.abdc<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0be8765f43924c079ec69333f3d41ec5/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/d03af3aa0f7a4adf9cb238e7237a8cb4/183C8BCC6ACC24188F2AF65D08935BCB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“人体的200多种细胞,其基本结构和内部组成都很相似”,这是指这些细胞都具有基本的构造( )<br>①细胞壁 ②细胞质 ③细胞膜 ④细胞核A.①②③ B.②③④ C.①③④ D.①②④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/4380df31085f48d89ee303801e375e6d/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/b1a969ceba9b4c1881dd4ad441073008/27184009C868CB5F4BE916DFFF2F4AF5.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>制作人的口腔上皮细胞临时玻片标本的正确顺序是( )<br>①滴一滴生理盐水<br>②染色<br>③盖盖玻片<br>④用凉开水漱口<br>⑤取口腔上皮细胞并涂抹A.①②③④⑤ B.⑤④③②① C.①④⑤③② D.④⑤①③②<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/F3FFF02E67737AECAA5F9376DCA7D618.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/9C1122ED8FC76503BCB5FC3D4E6A2826.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>某同学在观察口腔上皮细胞临时装片时,发现视野中的细胞有重叠现象,不宜观察.此时,他可采取的方法是( )<br>A.换用高倍目镜或物镜重新观察<br>B.移动装片,寻找合适的观察视野<br>C.选用较小的光圈和平面反光镜<br>D.换凹面镜并稍微调节细准焦螺旋<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/922738D55BC4E552C08AAE1E0B93259C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列制作口腔上皮细胞临时装片的方法,错误的是( )<br>A.在洁净的载玻片中央滴一滴清水<br>B.先漱口,再用消毒的牙签的一端轻刮口腔侧壁<br>C.在盖玻片的一侧滴加染液,用吸水纸在另一侧吸引<br>D.盖盖玻片时,让一边先接触水滴,然后轻轻盖下<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/C4C5CB3161DA6E48464AE96ECE0875FC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在制作人的口腔上皮细胞的临时装片时,要将刮取的口腔上皮细胞涂抹到0.9%的生理盐水中,而不能涂抹在清水中的原因是( )<br>A.防止细菌在装片中繁殖<br>B.防止细胞吸水过多而胀破<br>C.迅速杀死细胞便于观察<br>D.生理盐水的黏性较强,可将细胞粘住<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7c90852f943b44acb32c217a64724873/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/6a320e698d5740539958b1ac766ca5b1/58578F28967510F01118ECD43A87C284.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>李明同学用显微镜观察“人体口腔上皮细胞”的临时装片,先使用低倍镜后换成高倍镜,操作过程中看到了如图所示的四幅视野。下列描述你认为正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/16/B96B4ED565BAD01AD3D65FDEFD504734.png"><br>A.按正常操作的顺序,四个视野出现的顺序为甲<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/16/464231769519C31BD596A755B8860D5A.png"><br>乙<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/16/464231769519C31BD596A755B8860D5A.png"><br>丁<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/16/464231769519C31BD596A755B8860D5A.png"><br>丙<br>B.要想使图乙的视野亮度与图丁相同,只能调节遮光器<br>C.图丙的视野观察范围比图丁的大<br>D.将图甲的视野转换到图丁的视野,需将装片向左下方移动<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0e11dbda069143c1af4a3ac54f7afef1/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/415e362708794e80a2224f2889aeb8dc/CE5790FB5AEE6981D25E5F8367CA751A.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>下图是人口腔上皮细胞临时<br>玻<br>片的制作过程图,据图回答下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2018/1/3/4538FC76F638FB8643526E7018A17CFE.png"><br>1.将上述实验步骤排序:。<br>2.在A步骤中,取得口腔上皮细胞的部位在。B步骤中,滴的液体是。D步骤中,滴的液体是,经过D步骤后,细胞的哪一结构染色最深?。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/7789e1cdf66d4fb1bba1e6ec952269dc/1BF58B1C6D39D9A6C950253B75511EB6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/65f8cd9e5d1e4355af2c72e8d3312f65/00285103014A7C06493B96F73988E0E1.png"><br><br>
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