广东东莞寮步宏伟初级中学八年级下期中考试生物试卷（解析版）
题型：选择题※难度：容易
<div><div><p>【题目】某同学在白纸上写了一个“F”放在显微镜下观察，他会看到 </p><p><img src="https://picture.zhihuicn.com/2017/12/30/23/22989fd0/SYS201712302308183293169931_ST/SYS201712302308183293169931_ST.001.jpeg" width="48" height="30" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:page; -aw-rel-vpos:page; -aw-top-pos:0pt; -aw-wrap-type:inline" /> <img src="https://picture.zhihuicn.com/2017/12/30/23/22989fd0/SYS201712302308183293169931_ST/SYS201712302308183293169931_ST.002.jpeg" width="73" height="30" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:page; -aw-rel-vpos:page; -aw-top-pos:0pt; -aw-wrap-type:inline" /><img src="https://picture.zhihuicn.com/2017/12/30/23/22989fd0/SYS201712302308183293169931_ST/SYS201712302308183293169931_ST.003.jpeg" width="132" height="27" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:page; -aw-rel-vpos:page; -aw-top-pos:0pt; -aw-wrap-type:inline" /> <img src="https://picture.zhihuicn.com/2017/12/30/23/22989fd0/SYS201712302308183293169931_ST/SYS201712302308183293169931_ST.004.jpeg" width="73" height="27" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:page; -aw-rel-vpos:page; -aw-top-pos:0pt; -aw-wrap-type:inline" /></p><p> </p><p> </p></div></div>
<div><p>【答案】C</p><p>【解析】</p><p>试题分析：用显微镜观察的标本材料必须是薄而透明的．白纸不是薄而透明的，因此某同学在白纸上写了一个“F”放在显微镜下观察，他会什么也看不到。</p></div>
题型：选择题
※难度：容易
<div><div><p>【题目】在芽的结构中，能发育成茎的结构是 </p><p>A、幼叶 B、芽轴 C、叶原基 D、芽原基</p><p> </p></div></div>
<div><p>【答案】B</p><p>【解析】</p><p>试题分析：幼叶将来发育成叶；芽轴将来发育成茎；叶原基将来发育成幼叶；芽原基将来发育成侧芽。</p></div>
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