admins 发表于 2021-8-18 22:34:51

2020-2021学年生物苏教版七年级上册同步实验室（十三）观察：植物根尖的结构

※题型：单选题※知识点：单选题※试题难度：较易<br>植物根尖中细胞分裂最旺盛的部位是(&nbsp;)<br>A.根冠&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.分生区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.伸长区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1abb3b9870124c978060067628d27771/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/40a05e464f354bb693b4617c503d349e/87C5611FDBDB6222FE330AB509B922D2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>植物根吸收水分和无机盐的主要部位是(&nbsp;&nbsp;)<br>A.伸长区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.根冠&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.分生区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2012/4908ff956c2343af989f3cfda84bd7d6/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2012/47468539fbfd4361a99950d12839d3c6/3089D5B8246923B600E4C155FBF4E824.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>根尖中与根的伸长相关的部位是(&nbsp;&nbsp;&nbsp;)<br>A.根冠和分生区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.伸长区和成熟区<br>C.分生区和成熟区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.分生区和伸长区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f00c2c13b1134515ae4c51c0140d0017/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/88f418e1695f4af687ed0bcf3d193272/074BB5B17209167E76D1707F6D1A8ECE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>植物的根尖结构中,具有保护作用的部位是(&nbsp;)<br>A.分生区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.根冠&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.伸长区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7c09abbab6884fde9cc2e705b8d151e3/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br>略<br>
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