2020-2021学年生物冀少版八年级下册随堂检测（1）被子植物的生殖
※题型：单选题※知识点：单选题※试题难度：较易<br>桃花娇艳,桃味美,如图为桃花结构示意图,在花的结构中,含有胚珠的结构是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/17/A2278FA950D54221691EBA9F23F883E1.png"><br>A.花柱 B.柱头 C.子房 D.花药<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9aa30e623a094507b6812f75d7039103/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b3a5b3a38fa44826bb18665f0a888c04/C8645CD6422509E233019FFE22E4A19A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>花是绿色开花植物的主要生殖器官,如图是桃花的结构示意图,其中可以发育成果实和种子的结构分别是( )<imgA.1和5 B.2和6 C.5和6 D.3和4<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/d62ca98e43a34663a3fba46f05a109a2/B01B9AD1709CC523F9D63862305777A8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/f3567b37202b4ab8b6e962769f4d312f/368879BC8157FC2E01D700AE9E39F9A3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图表示果实形成的简略过程,图中①②③④分别表示( )<img src="https://picture2.zhihuicn.com/testImage/2/2016/8/15/A040175EF899BD7A49E399B2B82B6D32.png"><br>A.子房、受精卵、果皮、胚<br>B.子房、胚珠、果皮、种子<br>C.胚珠、受精卵、种子、胚<br>D.子房、受精卵、果皮、种子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2016/f834d36b141246b4b23fba8a8875500e/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2016/4fa6e373a5984fdcaa12c418babb703c/CF20AADE125BB4D828555EAC28E7F702.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>一棵茂盛的柑橘树要结出好吃的果实,经历的过程依次是( )<br>A.受精-传粉-开花-实 B.受精-开花-传粉-果实<br>C.开花-受精-传粉-果实 D.开花-传粉-受精-果实<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ed0e1c29f0304642bc9e124c80c8b59e/B4A95E0049EF7D88C3ABD6FDD51A35AE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/384df3ed26cf456ba571343965c24ce8/CB43C7865B7E9A5C8ED5DC95613A18C7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>剪取绿萝的一段枝条,插入盛水的花瓶,能长成一个新个体,采用的繁殖方式是( )<br>A.芽接 B.枝接 C.扦插 D.杂交<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e4a00956fef34bf9924cccbc286c4c08/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/18cc3e848f964a738e3b9d35adce7767/63931C319E998CCC0C38103D4363C246.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在嫁接中,取自优良品种植物体上的芽和接受芽的枝干依次叫做( )<br>A.接穗和砧木 B.砧木和接穗 C.接穗和接穗 D.砧木和砧木<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/df302d9f51db4b9a8ed41d8d579bc316/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a52382447f404d31a7ed576d2d858a0b/4126B0B72A2D062950F9C0B3655E55DC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在短时间内生产出大批植株的方式是( )<br>A.扦插 B.嫁接 C.种子繁殖 D.组织培养<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/998433c860d247fd8ef6affd19855ebb/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/63845d95267d4320bd9e0f9a0ef72ceb/1ADB4BBCA61E587810E502CC5E999A17.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>请观察从桃花到桃子的发育过程示意图,据图回答问题:<img 1.从构成生物体的结构层次上看,图一和图二都属于。<br>2.在一朵桃花中,和是最重要的部分,它们与果实和种子的形成有直接关系。<br>3.受精后,整个将发育成图二。其中图二的B是种子,由桃花的(填名称)发育而来。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/33cb7ed65b1a449084ced3d3e5256459/9D905CD5695B8288D530A9A5E14336A7.png"><br>解析<br>略<br>
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