2020-2021学年北师大版七年级上册生物课堂小测3.6.2营养器官的生长
※题型：单选题※知识点：单选题※试题难度：较易<br>在根尖结构中,具有旺盛分裂能力的部位是( )<br>A.伸长区 B.成熟区 C.分生区 D.根冠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7af34a50cb6145bbbbaea96cc9bc149e/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/edc110e97c3147938b82a3b4d7693a6a/45315A3C5E8F90FC1C350E085629BCBB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在显微镜下观察根尖的结构,由顶端依次向上是( )<br>A.根冠、分生区、成熟区、伸长区<br>B.分生区、根冠、成熟区、伸长区<br>C.根冠、分生区、伸长区、成熟区<br>D.分生区、根冠、伸长区、成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f951bac7e9c74f8591298d9c50ac1ed5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2dcaa7dce977449b85e0dfc4e2c8b242/DF7DECE4C738B4A05685310ED6B2D584.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>"碧玉妆成一树高,万条垂下绿丝绦"中"绿丝绦"是由什么发育来的( )<br>A.叶原基 B.芽原基 C.芽 D.幼叶<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ae0ecc7dcc504039af1b23597d5b9894/D7C9A679F3C72D4F1064B7D0A0FD4AD8.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>如图是枝芽的结构,下列关于枝芽的叙述,正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/26/948138A44716DFEFA19080C02758E80C.png"><br>A.1会发育成侧芽<br>B.2会发育成茎<br>C.3会发育成幼叶<br>D.枝条的形成要依靠枝芽营养组织的细胞分裂和分化<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ee256e2ba7144eb6a328bb7c1d4250fa/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/821c4d655d47412096bad2f61d245d71/BB927F31AA533DE7E4CBF4BEB14F03BE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>叶芽中芽原基将发育成( )<br>A.顶芽 B.叶 C.茎 D.侧芽<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/39236afad8184d2c8c026045898e88e7/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>
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