2020-2021学年苏教版七年级上册生物课堂小测 3.5.2植物根的生长
※题型：单选题※知识点：单选题※试题难度：中等<br>下列哪项不是根尖成熟区的特点( )<br>A.细胞分裂最快<br>B.表皮细胞向外突出形成根毛<br>C.是吸收水分和无机盐的主要部位<br>D.中央有输导组织<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/358b633c00cd4830b85b5803d044d762/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/92d137b283a948319633b2f58b4f2acf/B5EE59CE26D490770E77B79CDBBC1BDE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下图为根尖结构模式图,与根不断生长有关的部位是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/24/E8CB7701DC5601521AEE3034E84B4E39.jpeg"><br>A.②③ B.①② C.③④ D.①④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/9275dcf0a9424e65a882de11aee866a5/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/1c751e4aba3f47b8a0cca1767822488b/AC6FAE15E8D4F18AB7F719DF88FBEC0F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在植物根尖的结构中,终生保持分裂能力的是( )<br>A.根冠 B.分生区 C.伸长区 D.成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e01bfa2f10174a7dbde375522dc3c192/76900E09FAB5EBA344B8EA84E844FF07.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>蚕豆幼苗的根尖吸收水分和无机盐的主要部位是( )<br>A.根冠 B.分生区 C.伸长区 D.成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ac9195452c854d62a12727f3c9db059c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>
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