贵州省毕节市2019-2020学年八年级上学期期中生物试卷
※题型：单选题※知识点：单选题※试题难度：中等<br>关于腔肠动物,下列哪一项是错的( )<br>A.珊瑚虫、海葵、海蜇是腔肠动物<br>B.腔肠动物一般是脊椎动物<br>C.腔肠动物有口无肛门,食物和食物残渣都由口进出<br>D.都是生活在水中<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8efa5ee355784ea7aa73cbe265d903e0/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/015596e9109b45699385ab348517b002/6E992EDB07B8603F4B49D0ABCFCEDD5C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列不属于扁形动物的是( )<br>A.涡虫 B.血吸虫 C.蛔虫 D.绦虫<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2222508f90da41d78e5f699375b3ac9e/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/13fa1d46e35440399280467b6d37b17a/E318CB97B86E52F050CAEBB420468AE4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>取两只活蝗虫,将甲的头部浸入水中,乙的胸腹部浸入水中,结果是( )<br>A.甲先死 B.乙先死 C.同时死 D.不能确定<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b317bf0fdd7b4d2d9f077e198751de4f/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/0f7d09008fde48718441f1c5b241e57a/1344684EFF0F2B334064FDEB6A952DE1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>自然界中动物各类繁多,形态千差万别,请分辨出下列哪种描述是错误的( )<br>A.鸟类的身体大都呈流线型,有与肺相通的气囊<br>B.哺乳动物都是体表被毛,胎生<br>C.鱼属于脊椎动物,体温会随温度的变化而改变<br>D.蚯蚓身体分节,因此蚯蚓属于节肢动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d77cdae5e28646fc9f6868bd65b7bb1c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/728106a94da04884b4755e1431c1f34f/D78343A3A3D70ACBF77D716DB3ED3702.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>观察关节模式图(如图),标注①﹣③的结构名称分别是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/FB789756CBB2A663173C3E570906CCC4.png"><br>A.关节头、关节囊、关节窝<br>B.关节面、关节腔、关节囊<br>C.关节头、关节囊、关节腔<br>D.关节面、韧带、关节囊<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2e0b218be98c4365a4e5fd931ddb70dc/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/48bd7d29d6174fef8396a0619ce882d7/FC635CC6322ED4A2EFD0F064AD03D930.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>最早真正成为陆生脊椎动物的是( )<br>A.鱼类 B.两栖类 C.爬行类 D.鸟类<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0b611e0c76dd47d7a7fda5840c27b401/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a19d1af637df42b8b5a648aab0d04358/BA297550A92DAC6E9B23BC4DD1AEBBCE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>牛耕田,马拉犁,狗拉雪橇,对这些动物行为的解释是( )<br>A.本能 B.先天性行为 C.学习行为 D.聪明才智<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f3cab36cdc944f78b796b40d2e62d531/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/28413c3fa6e346be9312150d490b3b1b/76DCAD296BC5208A079801AE8353C0E6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在鸟类频繁出没的地方,人们常常发现鸟类随时随地将粪便排出体外,其原因是( )<br>A.直肠很短 B.肛门很大 C.没有膀胱 D.小肠很短<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/843e8ad153154fb69f1da6aadf8c3941/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/771f046bb4bb442ea21df9fb8bd80a98/3236F0C88A6538E30E97C5B579207E60.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列不属于家鸽适应飞行的特点的是( )<br>A.食量大,消化能力强 B.直肠很短,不存粪便<br>C.无膀胱,不存尿液 D.体温恒定,适应能力强<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5b65d56612ef49c49eedb4706de7419f/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6eca5a7a654646f5b38c09bcd3bbd98f/C9D5CC976119BD8B15E18A41271166D3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于动物先天性行为的是( )<br>A.飞蛾扑火 B.老马识途 C.鹦鹉学舌 D.狐假虎威<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1acba2f827334182889cded181842183/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/cd7f362ea8f14b8ea254fdcd6a009c37/89A7434D93336A46B365EE3ED65D4362.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于社群行为的是( )<br>A.一群鼠妇躲藏在花盆<br>B.海葵和寄居蟹一起共生<br>C.一群牛在吃草<br>D.蜂群中有蜂王、雄蜂、工蜂,群体成员分工合作<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8bf603316d9446e4947c49758ab32ee3/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/99b199a10235431d974aaa63580d9cc4/1BECEC486E69A13A87FF9E0D12BC44CD.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>能够正确表示肌肉、骨骼与关节之间关系的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/D88D14F8598530E3F569B4A68A474778.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/F2C3C538F87162E3C76355A77CEDC1B0.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/2CEC9C8D95FB52F9BDEC83650E562034.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/0C0B7CBD64A581C02FA0D6D11DF05B39.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/12c1f175d2434b45814c78a0864ed12d/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5d26763ab0b947d4b47ffb2fdfc6d29a/EC545A53AFC0871F29A0BA5DD6CF63B8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>高等动物的运动不仅依靠运动系统,还需要神经系统的调节。完成一个动作的正常生理活动顺序是( )<br>①骨骼肌收缩②肌肉附着的骨受到牵拉产生动作③骨骼肌接受神经传来的兴奋A.③①② B.②③① C.①②③ D.②①③<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/416f5fc2fab54dc0b4317f32fe7d048f/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/29a61699272a4012a1857dbf8b0afe5d/ACA6BCCFCE62C78DA3C782940844EBB1.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>哺乳动物的生殖和发育特点是<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/14b585baea56421c9f892a9ad5c256e4/57FBF91B233375A543C4D69A670D8EAE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/bea9cc72f99d4fa8a2f06457f8f0f98e/8F26E745953EF3441040345A12C6BCCD.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>社会行为的特征是:<br>群内部<br>往往形成一定的<br>,成员之间有明确的<br>,有的群体中还形成<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a9edc5be81d34676addfcce004a7a4ea/2A0CDB22120D974D48B6E4B96A2873BB.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a031c9418eaf49e997e7d75e9cdbe127/AA1FE3293F935C0D5BE05765B2086BA0.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>哺乳动物的运动系统是由<br>、<br>和肌肉组成的。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b0447bb2001e4b429da45c27cba35d65/05CE0B0453F937F20A8169B8A09AD667.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/94fa0217e2e64caeb7fbd477b9f2c786/19A6AE04D39244AA0116ED81CAD444ED.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>两栖动物的特征:幼体生活在<br>中,用<br>呼吸;成体大多生活在陆地上,也可在水中游泳,用<br>呼吸,<br>可辅助呼吸。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/498f91f568324a39a08320951408424a/E56DBC602E58A1B397FE6C8ACFE51902.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/cf335b6c81054a19a47c2e836843380c/1B43E0D3E37FC5027FCDCAFF1DE87A23.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>如图是蝗虫的外部形态图。据图回答:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/3639F3D0FB9D0C63567569DDAAAE9B76.png"><br>1.它的身体分为[]、[]、[]。<br>2.体表的外骨骼的作用有。<br>3.蝗虫共有对足,其中适于跳跃的是发达的[]。<br>4.蝗虫的翅共对,是它的器官。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b61f05781d6046a7ae70ac4e62c53ba4/A98074FFB0F79C7683423AC8706DBE6F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d20b35cc68204bb19bde6d0632f87799/BAB605B47283BAA374307FAF29E6CF75.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>小<br>明喜欢<br>用哑铃锻炼上肢。<br>请据如图<br>分析回答问题。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/10/19/93B50D85E5BBCBB956B68AF589553C06.png"><br>1.图A表示动作,图B表示动作。<br>2.①表示,在图A中处于状态,②表示,在图A中处于状态;图B中①和②的状态分别是和。<br>3.某举重运动员抓起杠铃时,其上臂的肌肉中,处于收缩状态的是[],处于舒张状态的是[];当该运动员将杠铃成功举过头顶稳定的那一刻,处于收缩状态是[],处于舒张状态的是[]。<br>4.当你双手自然下垂时,感觉到比较轻松,是因为①②均处于状态。<br>5.以上实例说明任何动作都反映出各种肌群之间的关系。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fd74fe0d0f2e4fb59041f8a9725e4642/AE6C475B26B929B4E063639CC4A8F0CC.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2d4acc45060c43ed833d0a5a3344ce9b/63D20DA87F910BDDB15F2E962DAC3610.png"><br><br>
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