2019年中考生物真题专项汇编：考点31无脊椎动物
※题型：单选题※知识点：单选题※试题难度：较易<br>俗话说“靠海吃海”,海洋为我们提供了丰富的食材。以下属于腔肠动物的是( )<br>A.海胆 B.海参 C.海马 D.海葵<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/cb5c31800b0f47a3b0cb55cbe9779278/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/94990e3e871b4f60a8867c8d79deb0a6/DD670C760A8939903E1CCAC72BF5D991.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于腔肠动物主要特征的是( )<br>A.两侧对称 B.背腹扁平<br>C.体表有角质层 D.有口无肛门<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7345b4e7abd743dbbdf49d02d921b816/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/8bb4e8fae336457781e3df5428bd17ab/FF9C8668A9E3EB9D30B6D8A5EE2DAE67.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>珊瑚虫属于腔肠动物,其不具有的特征是( )<br>A.身体呈辐射对称 B.有刺细胞<br>C.有口无肛门 D.身体分节<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b57eab2d8e654e9db89e1af82c265a02/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/8f9edc4caa0a42a892a753ba01f422f0/DC6C419EFDDFD015820CCEA18115F792.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列哪种动物的身体呈圆筒形,由许多形状相似的体节组成,靠刚毛辅助运动( )<br>A.蚯蚓 B.蜗牛 C.水螅 D.蝗虫<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4b36431cb0cc4b30bba2a6ccdb52fab9/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/748bc5a48c6a46a88401e09f6ec00dda/535D48403AA20E3A1DF0223F50A59C25.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列哪种结构与珍珠的形成有关( )<br>A.刺细胞 B.外套膜 C.角质层 D.外骨骼<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/1b026d91a3aa4aa5b554a9e3330763ad/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/00cbb07a0061498bafd6d0343f90e368/8F09B59066CFF3DCC2D792587C6F7799.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于部分无脊椎动物与人类生活关系的叙述,错误的是( )<br>A.海蜇营养丰富,并具有清热解毒的功效<br>B.蛔虫与人共生,危害人的健康<br>C.蚯蚓能疏松土壤,排出的粪便能提高土壤肥力<br>D.扇贝富含蛋白质,可以食用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/8a47be2c1a884880990d4cbe3ea8b160/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fba91a98060243818222c4482bb3a3ba/98B3E71BC8E7F9AC20B29A3721DB6D13.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>昆虫是有三对足、一般有两对翅的节肢动物。如图图示的动物中,属于昆虫的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/27/5FC81869CD676DCD43DCEFE9F54BD6F3.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/27/A495B7209C25A72D7CE4C7176A428454.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/27/BA9C4AFC56CD45A9E29AB74E11C99967.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/27/D65551A4079530FEAF60C0C51784D80B.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/a6d51449c7c14867819d19d4cffb9458/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/efc3a6398974457486b4b9753799624b/CCE2BB39786EE67B757BEDFDAC104892.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>为了给中华人民共和国成立七十周年献礼,某校学生利用生活中的常见物品创作了各种栩栩如生的动物作品,以下四位同学的作品中,不是昆虫的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/35F2FF9938FE9285E6883944216735D3.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/0625664FF0093E87E1E7F07A76148DCE.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/FAEDC81E8DA64733B45C9B5F154F558F.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/70DF9680AC0A5E43A53B44A0705AA3B6.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/d876c6a1f5be4257b16833380cf640c7/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/69d8dfbe5f50455290c2a5954f171260/BA692502B166CCCFB7B98CFEEEE1D49D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>小丽一家人去踏春,她看到了很多漂亮的蝴蝶,发现蝴蝶的身体和足都分节。下列和蝴蝶属于同一类群的生物是( )<br>A.海蜇、蜈蚣、蚯蚓 B.蝎子、蜘蛛、蜻蜓<br>C.蛔虫、蝌蚪、苍蝇 D.蝉、河蚌、蜂鸟<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c51a7d66954042378eecc969b07c4425/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/89a35cfb35c64b159ec7892621e7b5e3/0B11E4CA58A708229A015D0F29D8F86B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>你吃过“麻辣小龙虾”吗?其口感麻辣、口味鲜香,是夏夜街边的经典小吃。小龙虾属于( )<br>A.环节动物 B.节肢动物 C.爬行动物 D.软体动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/787715212c904fe19b206889eb74831c/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/1e3b827d9eb64a47a1dd3a6250eb375e/58B812FF94150803776171E4822C6572.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>同学们在调查学校附近公园以及小溪中的生物种类时,观察到多种生物。以下是他们记录的部分动物,其中属于昆虫的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/16/036315486B7D817479C7E1D3C6AA21C2.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/16/1DED11118F990234DB89FBA6930E116D.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/16/E4B6C9A8E2EDF701820B58586DAF2410.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/16/C275AD55DB5B5E48A90EDEB0D2633237.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/be4681734a254e27b2769f3f460a9cd1/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/48b3571a03134d2c8ebcc11212753882/FBEF8F42E59A2146708AB78A6B8CE7EE.png"><br><br>
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