七年级生物上册2.1.3《动物细胞》同步练习1(新版)新人教版.doc

上传人:ideacase155 文档编号:1141649 上传时间:2019-05-08 格式:DOC 页数:2 大小:25.50KB
下载 相关 举报
七年级生物上册2.1.3《动物细胞》同步练习1(新版)新人教版.doc_第1页
第1页 / 共2页
七年级生物上册2.1.3《动物细胞》同步练习1(新版)新人教版.doc_第2页
第2页 / 共2页
亲,该文档总共2页,全部预览完了,如果喜欢就下载吧!
资源描述

1、1第三节 动物细胞一、选择题1.在使用显微镜观察人的口腔上皮细胞装片时,要将视野调得暗一些,进行以下操作( )A小光圈,平面镜 B大光圈,平面镜C小光圈,凹面镜 D大光圈,凹面镜2.当显微镜的目镜为 1O、物镜为 1O时,在视野直径范围内看到一行相连的 8 个细胞。若目镜不变,物镜变成 40时,则在视野中可看到这行细胞中的 ( )A2 个 B4 个 C16 个 D32 个3.鉴别一个细胞是动物细胞还是植物细胞,应检查它有无 ( )A叶绿体 B液泡 C线粒体 D细胞壁二、填空4.用消毒牙签在口腔侧壁上刮取口腔上皮细胞前,必须用清水将口漱净,其目的是_。5.右图分别是植物细胞、人的口腔上皮细胞的结

2、构示意图,请据图回答下列问题:(1)右图中人的口腔上皮细胞与植物细胞结构相同的是 , , 。(2)与植物细胞相比,动物细胞没有左图中的 , , 。6某学生在使用显微镜观察人的口腔上皮细胞时,操作如下:(1)用一块洁净的纱布擦去镜头上的脏物; (2)用消毒牙签在漱净的口腔侧壁上轻轻地刮几下,然后涂在滴有一滴清水的载玻片上的水滴中;(3)放在显微镜载物台正中央,并用弹簧夹片压住;(4)双眼注视物镜,将物镜降至距玻片标本 12 cm 处停止;(5)用左眼向目镜里观察,同时转动粗准焦螺旋使镜筒缓缓上升。请指出该生在以上操作中不正确的地方。2参考答案一、1A 2A 3D二、4去除口腔中的杂质5(1)l 细胞膜 2 细胞核 3 细胞质 (2)1 细胞壁 3 叶绿体 5 液泡6(1)纱布擦镜头(应使用擦镜纸);(2)滴清水(应为生理盐水);(3)未盖盖玻片;(4)物镜降至距玻片标本 12 厘米处停止(应接近玻片标本)

展开阅读全文
相关资源
猜你喜欢
  • DIN EN 60191-6-10-2004 Mechanical standardization of semiconductor devices - Part 6-10 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf DIN EN 60191-6-10-2004 Mechanical standardization of semiconductor devices - Part 6-10 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf
  • DIN EN 60191-6-12-2011 Mechanical standardization of semiconductor devices - Part 6-12 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf DIN EN 60191-6-12-2011 Mechanical standardization of semiconductor devices - Part 6-12 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf
  • DIN EN 60191-6-13-2017 Mechanical standardization of semiconductor devices - Part 6-13 Design guideline of open-top-type sockets for Fine-pitch Ball Grid Array (FBGA) and Fine-pitc.pdf DIN EN 60191-6-13-2017 Mechanical standardization of semiconductor devices - Part 6-13 Design guideline of open-top-type sockets for Fine-pitch Ball Grid Array (FBGA) and Fine-pitc.pdf
  • DIN EN 60191-6-16-2007 Mechanical standardization of semiconductor devices - Part 6-16 Glossary of semiconductor tests and burn-in sockets for BGA LGA FBGA and FLGA (IEC 60191-6-16.pdf DIN EN 60191-6-16-2007 Mechanical standardization of semiconductor devices - Part 6-16 Glossary of semiconductor tests and burn-in sockets for BGA LGA FBGA and FLGA (IEC 60191-6-16.pdf
  • DIN EN 60191-6-17-2011 Mechanical standardization of semiconductor devices - Part 6-17 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf DIN EN 60191-6-17-2011 Mechanical standardization of semiconductor devices - Part 6-17 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf
  • DIN EN 60191-6-18-2010 Mechanical standardization of semiconductor devices - Part 6-18 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf DIN EN 60191-6-18-2010 Mechanical standardization of semiconductor devices - Part 6-18 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf
  • DIN EN 60191-6-19-2010 Mechanical standardization of semiconductor devices - Part 6-19 Measurement methods of the package warpage at elevated temperature and the maximum permissibl.pdf DIN EN 60191-6-19-2010 Mechanical standardization of semiconductor devices - Part 6-19 Measurement methods of the package warpage at elevated temperature and the maximum permissibl.pdf
  • DIN EN 60191-6-2-2002 Mechanical standardization of semiconductor devices - Part 6-2 General rules for the preparation of outline drawings of surface mounted semiconductor device p.pdf DIN EN 60191-6-2-2002 Mechanical standardization of semiconductor devices - Part 6-2 General rules for the preparation of outline drawings of surface mounted semiconductor device p.pdf
  • DIN EN 60191-6-20-2011 Mechanical standardization of semiconductor devices - Part 6-20 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf DIN EN 60191-6-20-2011 Mechanical standardization of semiconductor devices - Part 6-20 General rules for the preparation of outline drawings of surface mounted semiconductor device.pdf
  • 相关搜索

    当前位置:首页 > 考试资料 > 中学考试

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1