2021-2022学年生物人教版七年级上学期预习练：2.1.3动物细胞
※题型：单选题※知识点：单选题※试题难度：较易<br>下列关于标本的制作,说法不正确的是( )<br>A.洋葱内表皮细胞的玻片标本属于装片<br>B.玻片标本可以做成临时的或永久的<br>C.被观察的材料一定要薄而透明<br>D.制作口腔上皮细胞装片时滴加的是清水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4c95dff1b0ec42f1814b68bf231c50ef/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5db9ff63bae1494eacac59eb124c70cf/01F40D2BC9C2EC73EB11605BE9B2DCFA.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、洋葱鳞片叶表皮细胞临时装片时,在载玻片上分别滴加的液体和它们染色共用的液体依次是( )<br>A.碘液、清水、清水<br>B.生理盐水、清水、碘液<br>C.清水、生理盐水、碘液<br>D.碘液、生理盐水、碘液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/333f599d08ee41818ddc9b3ebdefb64e/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/938fbe147d9a49e39a1e66813be2337f/FE027C15AB711CB151AB1E53B081E2FE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>给口腔上皮细胞临时装片染色这一步骤,用到的仪器有( )<br>A.量筒 B.棕色滴瓶 C.酒精灯 D.解剖针<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/554d2108a47c4acd9b76579b460fd542/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f0c520b5f72b4322a1af3e61e3032c7c/0A7E614410A337A2577BD3FEED8BC8E4.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装片时,在载玻片的中央滴一滴0.9%的生理盐水的目的是( )<br>A.防止细胞变形 B.起消毒作用<br>C.避免出现气泡 D.便于观察<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/39a7740a01a8448d8445ac0aa791f53b/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/7d1fc94ee00741eab8bd42d99dd15229/5AEBAF90B061ADC5F7BE6C9486EDC24A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>制作人口腔上皮细胞装片的正确顺序是( )<br>①先将口漱净;<br>②用牙签在口腔侧壁上轻轻刮几下,均匀涂抹到生理盐水中;<br>③在载玻片中央加一滴生理盐水;<br>④染色;<br>⑤加盖玻片。A.①②③④⑤ B.③①②④⑤ C.①③②④⑤ D.③①②⑤④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7afd3c833544442991e81e84fdbeb163/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/66ab4ba9afde4abeb850b8b9f3828b67/8E0622149F2F3CBA8A3431C4008B0120.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图是用显微镜观察口腔上皮细胞临时装片看到的视野,导致这一结果的操作可能是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/5/13/7EB24DD46F502F9D83F4E2DE7EC0ECC3.png"><br>A.涂抹不均 B.盖盖玻片不当<br>C.染色不均 D.放大倍数过大<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e814ad70d8c94e10972625b4dfc8e8e1/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9f588bb96c374c729682d89d5b497fa9/34FFD7479F41A2DD023E5C4289B1446B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>小明观察口腔上皮细胞临时装片,并进行绘图,下列不符合生物绘图要求的是( )<br>A.画图时保证图形真实<br>B.图中各结构的名称尽量标注在图的右侧<br>C.图中比较暗的地方用铅笔涂上黑色<br>D.图的下方写上所画图形的名称<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b100dd9dfa7b44088c0b3f73b9b9d195/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c5d5928311954144b83efdc5db74c0c8/DF82A0D4A14BFCC2630E4278880FCDE8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>观察洋葱鳞片叶内表皮细胞和人的口腔上皮细胞时,显微镜下都能看到的结构是( )<br>A.叶绿体 B.细胞核 C.液泡 D.细胞壁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d377cc511a7244c3924505734235a454/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/052e58cfd4844ba6bd4686809504e58d/2D9B8B82164792AFCE04907DBF20547B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>观察人的口腔上皮细胞时,观察不到的结构是( )<br>A.细胞核 B.细胞膜 C.细胞质 D.细胞壁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/27fd556af9954946a957658f6a722a28/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c1636af5911d465c94a07d3df955d630/495F57CFFB27FAB6EF1CDBB8DB576D77.png"><br><br>※题型：实验题※知识点：实验题※试题难度：中等<br>小晴在做<br>“<br>观察人体口腔上皮细胞<br>”<br>实验时。<br>1.取人体口腔上皮细胞的方法是用消毒牙签在自己口腔内壁上沿轻刮几下;<br>2.使用显微镜观察“人体口腔上皮细胞”临时装片时,小晴观察到视野中有许多黑色的圆圈,其原因是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9fb84b35b6214f70a40079ef2a920199/071C530B16945C967CD3BAE3FC464FA2.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/0ece5aafc3ae4b70b1e1901b9e66b13d/E141192FB0E4703957B3B385A7E90F3D.png"><br><br>
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