2021-2022学年八年级上学期生物预习练:5.1.4 鱼
※题型:单选题※知识点:单选题※试题难度:中等<br>下列动物属于鱼类的是( )<br>①章鱼、②鲸、③海马、④甲鱼、⑤墨鱼、⑥鱿鱼、⑦带鱼、⑧娃娃鱼、⑨跳跳鱼、⑩鲍鱼A.③⑦⑨ B.③④⑦⑨ C.①②③⑦⑩ D.⑤⑦⑨<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/51fd523cfcf54a24976483436d535d45/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2da724dc23694e0abf7a7079c83f290c/0DD7D12523951C607BC5E89831DD8C5A.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>鲫鱼的整个身体分为( )A.头、颈、尾 B.头、躯干、尾<br>C.头、躯干、鳍 D.头、颈、躯干<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/489D242BB0964CEE4B4CA77AF02B6D86.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>鱼儿离不开水,它的呼吸器官是( )<br>A.肺 B.鳃 C.气囊 D.皮肤<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/40bdac28fa944219821a7957feec3daf/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/91c2a44bc4124697ba2d71fcd261526a/77382285A227F141C7CFD47611C0F989.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>与鱼类适于水中生活无关的特征是( )<br>A.体表被覆鳞片 B.用鳃呼吸<br>C.用鳍游泳 D.体温不恒定<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/40644da701c74a18bbd842ef704ae650/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/57d178dcbd9e4adbbc1c727ebc8670a8/E4F4C7CE7F9063F7777C914AC8D76876.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>鱼体表黏液的主要作用是( )<br>A.减小运动阻力 B.保持鱼体表湿润<br>C.预防人类捕捉 D.辅助呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/725864b527f1437d9eab25ddda6abc97/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/21e29aed30784f0996c3025275aa3709/0928E060FF7A0E7656E512B48699E0E5.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>鲫鱼在水中向前游泳的动力主要来自( )<br>A.胸鳍和腹鳍的不断摆动 B.尾鳍的不断摆动<br>C.尾部和躯干部的左右摆动 D.各种鳍的不断摆动<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/F3FFF02E67737AECAA5F9376DCA7D618.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/8C4DDEE60674B8917941FE6DE24A2A23.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>面对地球上水域污染现状,龙王决定召开鱼类大会商议将来的生存大计。鱿鱼、海蛰、带鱼、鲸、海龟、海马匆匆赶来。赶来的这些动物中,真正有资格进入会场的鱼类有( )<br>A.鱿鱼、海蛰 B.带鱼、海马 C.鲸、海龟 D.鱿鱼、带鱼<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2de41e97dd4f4773980568dff3a3cc81/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5aee1f1b41e84cf3b7cb72140b85d01c/3D81E22E5B9A6BE8CEF65BF2851EC8C4.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>目前海洋鱼类和淡水鱼类日益减少的主要原因是( )<br>①环境污染严重②人类过度捕捞③鱼的产卵量过低④鱼的食物短缺A.①② B.②④ C.②③ D.③④<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/0CB8BD034BA670B206F1C9EBCE41E2EA.png"><br><br>
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