3.1.3芽的发育—2021-2022学年生物冀少版八年级上册同步课时作业
※题型：单选题※知识点：单选题※试题难度：中等<br>叶芽的各部分结构中,芽轴和芽原基将分别发育为( )<br>A.茎和根 B.茎和叶 C.侧芽和叶 D.茎和侧芽<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/c221d2c3445b41fb9660e1c07282f9db/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/371ab525751c439d89c8829f26a16323/2BA4F65BF5F945D44BA738F00D5491A1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>紫荆花作为香港的区徽标志而闻名于世,紫荆花是由哪一部分发育而成的( )<br>A.花芽 B.花蕊 C.枝芽 D.叶芽<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/c7d03a1698734061b42acce19f8427cc/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/f036fbdb90954ede828e7ccf2fb02c3e/813DEE16C66C5EC4CAF406845E2323F0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>叶芽的结构中,能发育成叶的结构是( )<br>A.幼叶 B.芽轴 C.芽原基 D.生长点<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/bf6b4a3457f847aa909dadcfd6eb4bd8/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/304bcba8832d4a4da4093637475fd157/FC0006C6C11E88324971130A8CDED00A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>关于如图所示枝芽和枝条结构的叙述,错误的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/12/01A3E1B43D8874729278E444E350A73D.png"><br>A.a是由发育来的<br>B.c是由发育来的<br>C.枝芽能发育成叶和花<br>D.摘除a后,d很快会发育成枝条<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/f833ed1b60a14a19a21a8dd67e4bf2ba/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/47c025c572e0496daa77791b4ceec7c3/B41B9546F9C02603FF27E20BDCC72697.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>对如图所示结构的叙述,错误的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/2/25BCEA55AD29F82A265897637290311A.png"><br>A.按芽的着生位置划分,a为顶芽,b、c为侧芽<br>B.枝条d的不断伸长,依赖于2细胞的不断分裂<br>C.着生在叶腋处的结构有b、c<br>D.芽c的长势弱于芽a的长势,这种现象叫顶端<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/1bbc3dd5324046419e6544392a31a944/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/11f958a38bb246418a1fac128d617d37/60A818854AB1705579D7A2AD054507DA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图所示为我们经常见到的植物株形,图甲为树木自然生长的形状,但植物经人工处理后会长成如图乙所示的形状。这主要是因为( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/7/2/4A0DB235A86252BDF3B86F130343BFC3.png"><br>A.浇大量的水 B.施大量的化肥<br>C.摘去了顶芽 D.摘去了侧芽<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/b1ae18a126da4c24bb185053f0ef15a5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/0ced833ec49041119d43b54258353851/F66069F84F5EBF16F4CF8EF01AF2D1DD.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>芽中也有组织,它可发育为、和,它们构成枝条,新芽又不断形成新的枝条,使植株的地上部分不断繁茂,形成“万千枝条”。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/570FFB7587F5E322FBD624C6C3157617.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/CD84F9DF349425C7E78D4CFC0A33B0CD.png"><br><br>
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