甘肃省武威市2018-2019学年七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：较易<br>下列属于生物的是( )<br>A.弹琴的机器人 B.睡眠中的白兔<br>C.流动的空气 D.飘浮的云<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2011/6dcb64f5fc4344eb8ab9b1aab1240128/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2011/7313e3d1ab9f45a98f9454679f76d345/B048D06CEDB0B73D219401FBBF5895F5.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列不属于生命现象的是( )<br>A.牛吃草 B.雨后春笋 C.铁生锈 D.母鸡下蛋<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/798c5b8e31164b8c933a3b257ff5d398/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/39f69f3e279540609822479acd543838/18EDA4CC1FCC19EA2E23ABA48B341B8E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>仙人掌的叶退化成针状,主要是为了适应下列环境中的( )<br>A.缺日光 B.缺养分 C.缺水 D.温度太低<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a5c42ee39bcc4c9d92a529e722f389b5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/62be5667748145279497fa11e8c0d27c/5939BD8D690735A1EA61BC7923714FF1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>鱼必须生活在水里,离开水一段时间就会死亡。对此最恰当的解释是( )<br>A.生物影响环境 B.生物适应环境<br>C.生物改变环境 D.环境影响生物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/be39beb18ecf4c198e0e8470e47363fd/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2e101fa123e140aa808db1be11606dc6/9AC7AB7D19F06CCA0E32D1ED2B007BFF.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列生物中属于分解者的是( )<br>A.蝗虫 B.蘑菇 C.草 D.蓝藻<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ec4f6eb7f1134859a56ec4165eafecec/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/aad3d69f746d43f384c86f9b262b5812/6CF7D276F638109381D6BC7BA1BBF029.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>泉州湾红树林是许多鸟类的栖息地,如果大量捕杀鸟类,将破坏红树林的生态平衡。这说明该生态系统的自动调节能力是( )<br>A.有限的 B.稳定的 C.不变的 D.增强的<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/30431dec7dec4ee8b7ae898881da2011/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b353cccf691f449e8c35faa49ca6a5bc/BFD9464F1514A90354A80CD3B7B12854.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生物圈层的厚度大约有( )<br>A.10千米 B.20千米 C.25千米 D.30千米<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/bd14b7c94cbf497ba7c5836f9d1ee404/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/71ec7b023c3b4ce1992db78958ff1aba/9847ABD59B5129E0AC3CACFA67407E73.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列生态系统中,人起控制作用的是( )<br>A.湿地生态系统 B.农田生态系统<br>C.淡水生态系统 D.森林生态系统<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e2d0f28969dd40ee9f09513448207e6f/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a8fa475c87454087ba3e4f9a172c4939/FE5889FFCF7BDF03332F0A678E6450F9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列哪一项不能说明生物圈是一个统一的整体( )<br>A.水和水蒸气在全球范围内运动<br>B.黄河源自高原,流经森林、农田,进入大海<br>C.鸟类的迁徙经过不同的生态系统<br>D.鲨鱼生活在海洋中<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/40e1abd77a194b60937b384b3beb2b67/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/147f32e434854c0db0ae3411d922472f/743A8E3EAA988A3E87D8F903F8DA8A03.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>对于食物链的表达,正确的是( )<br>A.草→蚱蜢→食虫鸟→蛇→鹰<br>B.狐→鹰→食虫鸟→蚱蜢→草<br>C.蚱蜢→草→食草子的鸟→鹰→蛇<br>D.草→蚱蜢→食虫鸟→鹰→蛇<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fd01bb98dedc487d86e8aa7f926f7bee/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/52291e1294cd4b7ca3f8046828b9cda3/F8DCC4BFCA47E84ECB4685BAE91D4C5D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列部件中对物体起放大作用的一组是( )<br>A.反光镜、目镜、转换器 B.物镜、目镜<br>C.遮光器、物镜 D.光圈、物镜、目镜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e7ae09555a8446dca00e9911c9b556c1/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e0d140f3f0534836bdd83ab2b67d6ace/F4FE23A57C6E35D2253386FEF0459233.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在用显微镜观察细胞时,要使视野变得白亮,关键的操作应该是( )<br>A.制作临时装片 B.对光<br>C.取镜 D.安放<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/18bc5769f0fc45598849dd37beb1fce6/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/51701e75255a46df88a2979da0923976/87D7CF9FDABEBE428D40182DC84B5BF8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图是制作人口腔上皮细胞临时装片的部分步骤,其中染色的步骤是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/D0C63203DAD7EAA295575707E011A36B.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/8C14BBE3B0704F42A7579BAC48FB9F3A.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/77686B6AA318B64C097CB0AE49A9A96D.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/480F96B0A9F72D2B2A9A27D410158FE3.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/29cfb4f87f1243b1a9a49d39b79fa037/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/bb67ca17980649e0ab9af00ad3bf397c/02D0A6EE0615B8CEFC522F2D2A99872A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在细胞中,控制物质进出的细胞结构是( )<br>A.细胞核 B.细胞质 C.细胞壁 D.细胞膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d793f1c3035d49198377de4cefe17bfd/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/db8aad7b297c4673af427e1663b7ef4e/1B9495F0742B7D3E54C19B45EC5121CF.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>制作洋葱鳞片叶内表皮细胞临时装片时,首先要在洁净的载坡片中央滴一滴( )<br>A.清水 B.生理盐水 C.碘液 D.酒精<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c4b9e140e8cd43caae180bc28898366d/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7fa235356fa24e1c9f791a864e7e3ba1/4165E91AD508F3DFC02C56D9014CDA34.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>植物细胞分裂时,最先发生变化的细胞结构是( )<br>A.细胞核 B.细胞膜 C.细胞质 D.细胞壁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/faa367d2b0364732951d5c0726990d70/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/786dce540d114bc5995f60792100e0f8/0806E32B741A5A17A1E0B11CA04B47CC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>细胞分裂过程中产生的新细胞与原细胞所含有的遗传物质( )<br>A.少数一样 B.不一样 C.多数一样 D.一样<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fccd1d19ad504d4fba339ac1b7570e64/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3edb9869d9364aa695d1577468564cfb/AD874A9E9E9966FA9525DB2EA4674E93.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>恶性肿瘤的形成是因为细胞( )<br>A.不断分裂而不分化 B.不断分裂而不生长<br>C.不断分化而不分裂 D.不断生长而不分裂<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/dd39b14da98f4b4c80a5429da0b54227/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a36ec11296dd42d6811722562b2444c7/31AA5B0F6EB10B6CD98CEED0AA625065.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>识图,指出下图中的神经组织( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/766CD5301105F2E598113B28627688B8.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/63E5CADE6EC66980179B2AFCE15EDBA6.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/04E70E56F92EB85449B4ECDC41CA7799.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/829539899340FBDE127C8FE7B3BC172C.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b0e8c95d92d84252b395537e174b5a22/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f56c72b6d8414c92a7575b27e32179e2/C742687B49A22E8BAA07A38A4752F5C9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>我们吃香蕉时剥掉的香蕉皮属于( )<br>A.保护组织 B.分生组织 C.输导组织 D.营养组织<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/59bcb307a541479597edb58b3d45dc68/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3fd9cccc9de6459cac2357024f14a52a/08B519070F6E2584360DE29CC13C844D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>绿色开花植物的生殖器官是( )<br>①根②茎③叶④花⑤果实⑥种子A.①②③ B.④⑤⑥ C.①③⑤ D.②④⑥<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fb0a174517644aba861f8be5cbb14334/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/356211b1dc41466985678dfc1dec200a/390B2407589A6E357202D7AE3568705F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>草履虫用来摄食的结构是( )<br>A.食物泡 B.伸缩泡 C.胞肛 D.口沟<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7431c2b620db48c6a5e8635fa5c888b9/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/58da9973aa6e4a55824241fb7d80a11c/66AD5318610B8AAFE74C44F7E6A9081A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>草履虫的生殖方式是( )<br>A.出芽生殖 B.孢子生殖 C.分裂生殖 D.有性生殖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a143b27069b14fc8a1a4f1eb706b8ab2/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/bbbe7e916ae24d23923aec3fea7901b6/DA340FB08CEDBF4511BFED224B4BF71A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列各项属于同一个结构层次的是( )<br>A.导管、血管、肾小管<br>B.甲状腺、肾脏、西瓜<br>C.神经元、血液、洋葱鳞片叶<br>D.叶表皮、皮肤、肾皮质<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6afa00c891ea45d18ed0479c6d6e91c4/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/0c3134f2c5514d89973afa3efc8b5843/F921B17450AED824BBC5B8AC1908FE1F.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>能够共同完成一种或几种生理功能的多个器官按照一定次序组合在一起,就构成了<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/aaaedfca10d04c5cbec827888ea2824d/BEF2764725813AC603BE6BC8577736A6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/71dcbe11fb1c4fbeb3e8ba486e6dc41d/3BAA628BFE3986F78EE3E1E512E49E69.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>上皮组织由<br>构成,具有<br>、<br>等功能。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/21c23ce9da594a0494f28b40680df1ae/B7074DF4BD39DDC977168BF8863F5624.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7eb2f35937e94ca3ba337b9a0aba18ad/911766A40190D65A003CE09FC9994B28.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>染色体是由<br>和<br>两种物质组成的。<br>是遗传物质,因此可以说染色体就是遗传物质的载体。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7c27d9e5db4249208a32b59f7d0bc584/EB2DBE8E21CF5FB37285FB81721C6989.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/95f0f40f7acc4803b541b921754439a0/B842856C4746F51F6B54711FA336F798.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>在一定的空间范围内,<br>与<br>所形成的统一的整体叫生态系统。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c0aa3eb4e4c745a6bdf424f6630b6dc9/627287BC87CA26C24E6FCE227AB3048B.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/40ba0b7b2a3e468099bb10c00c54a2e1/159E7720043080E57BE00A4D1C5D7718.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>同种生物的个体之间只有竞争关系。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/491dd5d4cc1348088812d3fd0f0d4b8d/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6fd2f4c9dccb435e92365c5360c153fe/3F9EF9E5FE59B44DA861F715A4791DE1.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>生物圈的范围包括大气圈的底部、水圈的大部和岩石圈的表面。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0203d0cc87c94b148faac2e1054eb31e/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/39a1b608941c46638058d2d25ec39c28/11FC5DD2596303EEE23906F080FBB18A.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>有机物中一般都含有碳元素。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3d38aa13990b49aeb00325e8aea2b8ea/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ebe47eedb17d4013a78fd04279e262c1/7C9DA0D05455F48C25C28BB4AB5E40DF.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>生物体由小长大只与细胞的生长和分裂有关。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/73daa43a852f4181a0cecea91e67fa45/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/00bb400696054970b18427c45a84965b/5C5F3F5C938FD000819412CEF9C04741.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>人体内的各系统既有分工又协调配合,使人体内各种复杂的生命活动能够正常进行。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8d896980aa97436e8af3790d77227f15/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c25962d22a2d4260bdb17c80f133c800/0022A0470B280DD2B770205A4C561AF4.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>草履虫利用伪足进行运动和呼吸。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1e6b100f64184b9da189c7e8d0e39a55/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/57604bffc82645ee833736b676af88ec/CCDADBF50DDBE3B68D6E52352EDFCBFA.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>如图是植物从受精卵开始到组织形成过程示意图,根据<br>图完成<br>下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/10/27/DFF255B05AC5420337B5D7235A678B2F.png"><br>1.上图中的A所代表的细胞是。<br>2.B为细胞的过程,该过程会导致细胞增加。<br>3.C为过程,经过该过程会形成不同的细胞群,我们把形态相似,、相同的细胞构成的细胞群叫做组织。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/201d8fbb0a894fe1abd6ea982c52d746/7A7CD9A5662B7E908966E3D255820F05.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/66e2e3fdf5c04d0e93504a8e9ef29fe7/C8CE748B9F739C90E9D5C840776EE2B3.png"><br><br>
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