江西省上饶市第二中学2019-2020学年八年级上学期期中考试生物试卷
※题型：单选题※知识点：单选题※试题难度：较易<br>关于腔肠动物,下列说法错误的是( )<br>A.都是生活在水中 B.腔肠动物一般是脊椎动物<br>C.食物由口进入 D.海葵、水螅、水母是腔肠动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/36baa9ec01a64882bb320a7f27ee0b9a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5be4796130504f82ba443091f59412b6/85718AC1CC086FA619DF18B75E95FD56.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列各项中,属于腔肠动物和扁形动物共同特征的是( )<br>A.营寄生生活 B.左右对称<br>C.有疣足辅助运动 D.有口无肛门<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/dade6fe1a5994f49ad2fe7aa03ced18c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/14db7a8f534340569a5bfdc2d4f42160/7A2B2A638094CCDF8D8369646004F25B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>涡虫的消化器官包括( )<br>A.口、咽和肠 B.口、肠和肛门<br>C.口、消化腔 D.口、小肠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fde496efaefa487a8c0c83a04533f606/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/4e7244aedca243b9ba390a39167fe99f/F5877417490AFD0D542F5AA0680F4BA6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列动物中属于我国特有的一级保护的爬行动物是( )<br>A.乌龟 B.蜥蜴 C.中华鲟 D.扬子鳄<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0d5611e07b1942f89661a9e45497a8de/01A39E48B8A67989A23F6887F26FCC64.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>下列说法不正确的是( )<br>A.蚯蚓的环带在蚯蚓的前端<br>B.河蚌的呼吸器官是鳃<br>C.雷雨过后,蚯蚓经常钻出地面,该现象与蚯蚓的呼吸过程受到妨碍有关<br>D.蛔虫具有发达的消化器官,适于寄生生活<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/bc9cf2c05c064b36a386a5a5b055811b/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/4820131f4bb74936a681bd34ba6633f1/0A1AE2F8F50BD584D268940875B23CA1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>爬行动物体表覆盖鳞片或甲,其作用是( )<br>A.减少体内水分的蒸发 B.辅助呼吸<br>C.有利于爬行 D.保持体温<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1a6c169e47c4442bbc1fdfbe5d0a418e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/898fb1dc994745f084418062b6c61767/A17BCD86516663DBD402BE14EE15495A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如下图是动物保护者在偷猎者的营地发现了动物的头骨,则被捕杀的动物最可能是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/7/7D40818D28BA9EC599F4C860BB206E20.png"><br>A.野狼 B.羚羊 C.野驴 D.麝牛<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9c337da996be4d39867b320e9819c96d/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d37178b7475247e7a43c1e3b9ac2dc30/46EAB1F1CCC612AB04DEF6C21F00714A.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>如图是<br>某小组<br>同学对“水中生活的动物”相关问题进行讨论,一人一个观点。请你在正确的观点后的括号内画“√”,错的打“×”。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/8/7/8E2E8565EF6C52A4B543E9E0DF717B73.png"><br>1.同学①的观点( )2.同学②的观点( )3.同学③的观点( )4.同学④的观点( )<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/35fe1f459d3f4aae98d396cc95818e1f/62974101BEBAD6288EC7897E3B61DBFC.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/399284b7863a4ee7a507a0ab4789772f/A0259F10C476B79794CC8FE3A934F595.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>如<br>图为人的关节模式图,请根据图回答相关问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/8/7/2DE82CF6FE14A5A1818E4066A40A01D5.png"><br>1.图中③称为。<br>2.①、④组成,如果因为用力过猛或不慎摔倒,有可能造成脱臼,脱臼是指[]从[]里面滑脱出来。<br>3.关节具有牢固性,与之相关的结构是[],它使两骨紧密地联系起来,经常体育锻炼时它还能增厚,使关节更加牢固。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/99e1704c4719432398e66cba8a8f6d93/2F75139855C1ACC262048D0A9C5D5BED.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/305cea34c1a1496dbe4370ceeadc2752/FF632910F4D3B85B109596DF555F0D05.png"><br><br>
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