2020-2021学年苏教版七年级上册生物课堂小测 1.2.1探索生命的器具
※题型:单选题※知识点:单选题※试题难度:中等<br>光学显微镜的结构中,能将物像放大的结构是( )<br>A.目镜和物镜 B.准焦螺旋 C.物镜 D.遮光器<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2d9b2cff43ca4b3d884826992a631ea1/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>下列实验中,能实现从视野“甲”到视野“乙”变化的各项操作中,不必要的一项是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/13/FC43A0A29EE2433C9C64B01109370952.png"><br>A.转动遮光器 B.转动反光镜<br>C.调节粗准焦螺旋 D.移动装片<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0c8c39b3106041e7b8e40d69e74d4198/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型:单选题※知识点:单选题※试题难度:较易<br>当显微镜视野很暗,影响观察时,应调节光亮程度,此时应采取的措施是( )<br>A.缩小光圈 B.换高倍目镜<br>C.选用凹面镜反光 D.调节细准焦螺旋<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2012/c940f52dde9b4d8a8d74da4c52f66c88/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型:连线题※知识点:连线题※试题难度:中等<br>请将下列探究<br>器具和它对应的作用连接起来。<br>放大镜 <br>计量<br>解剖剪 <br>观察<br>天平 <br>加热<br>酒精灯 <br>通用<br> <br>烧杯 <br>解剖<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c7430fc3f66a4cefb591207407ece4ae/B135688681EC2AB90A3D02A24CAECCFD.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/01d6fcf7d1084c6d85c50b3b71b63c00/5FC11C25661C31D6A65D79AA8FE2D874.png"><br><br>
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