海南省乐东县2018-2019学年七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：中等<br>“离离原上草,一岁一枯荣”这种生命现象说明( )<br>A.生物能生长和繁殖 B.生物能适应环境<br>C.生物的生活需要营养 D.生物能对刺激作出反应<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d37ae06dd18a424da965ec363108ff6b/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f20f5c82fbe042348a6b60701119faf3/823E7BACA2179D8B76AE2CF28CFC0874.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>含羞草的叶片受到触动时会自然下垂,说明它( )<br>A.害羞 B.具有应激性 C.怕碰撞 D.在进行呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/052ebaabb0d94534b2af24165607e19f/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7172eddc29354fabadee1543d4b691c2/F77CEEB00EB97F20CADD268FCE56DF55.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于生物共同特征的是( )<br>A.都能运动 B.都能在空气中生活<br>C.除病毒外都由细胞构成 D.以上都具有<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c4ca0d1a2bf24c7f817b62b8efa57818/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/fde69dda201e41eaa7968f0fc1aab054/5B855B9545EEC776AB7FB84D62205792.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生物多样性不包括( )<br>A.物种多样性 B.遗传多样性<br>C.生物数量多样性 D.生态系统多样性<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/77cc0cf20769471b906466adc4e2534a/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a92d78df34f14570ae1e85934666c976/6541DCE8462CF99C246DCD69BB295941.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列哪组选项全部属于生物( )<br>A.落叶、豌豆、杨树、鲨鱼<br>B.金鱼、机器狗、水杉、人<br>C.鹦鹉、蜂巢、牛肝菌、狮子<br>D.皂荚树、仙人掌、海豹、乳酸菌<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2011/09c13e9fcc304059ad4a782a305a3d6f/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2011/38b84deec64b42d497a6b384ed1ee783/7426942E869C31BC781DF590651B09ED.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>枯叶蝶的体色与周围落叶的颜色基本一致,很难被天敌发现。这种现象属于( )<br>A.环境影响生物 B.生物适应环境<br>C.生物影响环境 D.生物破坏环境<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2017/4587bd51534247e7bc34a62a7498e47b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2017/cd57e981d2e04d7485a0c249c77e72bb/35330CBE61B0B5CEDFC94804BBFBA5A7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>对一只生活在草原上的野兔而言,环境就是( )<br>A.草原上的植物、狼等<br>B.阳光、水、温度、土壤<br>C.草原上的细菌、真菌等<br>D.除这只野兔处的其他野兔及其它生物和非生物因素<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c358835702e740a1804f88640006d6e1/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/00e4314736ce49c4802213f40bd82dec/78F478BE562BCD24BE8A21437971A684.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>19世纪提出人类和类人猿的祖先是一类古猿的科学家是( )<br>A.道尔顿 B.爱因斯坦 C.达尔文 D.列文·虎克<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e2cc6942862f442481bd423a96cce1af/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3b871fd5e6274581bdfacc52bdabad8c/099A250F9AA848F4D5D7245D71A816DE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>2016年1月1日我国“全面二孩”政策正式实施,为了了解各年龄段市民对生“二胎”的看法,通常采用的方法是( )<br>A.调查法 B.实验法 C.资料分析法 D.观察法<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f39b0aecdc404a09a873ab13ab6445cc/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3a5854e5ca0d4b34bdd0d7eef50da4aa/7163A31FB700490451A4A733BDB76CCA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>在探究光照对鼠妇分布的影响时,下面哪一个条件是变量( )<br>A.温度 B.光照 C.湿度 D.空气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/25a4cd8e13c14a7faa8d3afc551e3727/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/717be937c4d74bb1a1f87ec6e8d5e8c9/78A1874B9CDE00C800FE993147097B8D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>蚯蚓生活在沃土里,它是用什么结构来呼吸?这是科学探究过程中的( )<br>A.提出问题 B.作出假设 C.表达、交流 D.实验<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7e7500865dd64f81a9f0b4823e0eb36c/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6c6b9d4c6c5449f18ca037e51a0a8b25/1AFA05F9414C3C0B64DEE915FF866CA1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在设计探究实验时,下列不能作为一组对照实验的是( )<br>A.有光、无光 B.有光、无水<br>C.干燥、湿润 D.有空气、无空气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/caa807be1a5d4f95bf2911f482b7c1a5/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2da55380778149cd959c295a86ee81cf/22CC428ED2590B696962C159B10ACF40.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>为探究温度对玉米发芽的影响,王华同学设计了一组对照实验,在甲和乙两个花盆中种了玉米,并对光、温度和水加以控制,如表中①、②两处分别是( )<br><tbody><br>花盆<br>阳光<br>温度<br>水<br>甲<br>向阳处<br>20℃<br>充足<br>乙<br>①<br>30℃<br>②<br></tbody><br>A.向阳处、不充足 B.向阳处、充足<br>C.黑暗、不充足 D.黑暗、充足<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/db3b32bd086f49bc83f4ea81824745ed/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/fd11a206ab3942488625d0a2a80b924a/EAE524955918A124A931C20BFBF99F6C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在探究“响尾蛇是如何追寻它放走的猎物”实验中,为什么要多设计一只没有被袭击过的死老鼠?( )<br>A.重复实验以减小误差<br>B.起对照作用<br>C.要研究蛇是喜欢袭击死老鼠还是活老鼠<br>D.增加实验的趣味性<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7f63c0edbc314cc0b486082057194955/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5db611df880347faafce25b5fb8e72ac/FC71C66C9212F621B724C3BB7236D902.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>将写有字母“b”的透明纸片移到低倍镜下观察,在视野中看到的物象是( )<br>A.b B.p C.d D.q<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a4fa53964dfd4d269e8309ebdff82ab2/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6184f7a7ac87402d89a5ff68cc8fffe4/3F11A628D1D3B624DABA0DCB55483D7C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>洋葱鳞片叶内表皮细胞与人的口腔上皮细胞都有的结构是( )<br>①细胞壁②细胞膜③细胞质④细胞核⑤线粒体⑥叶绿体A.②③④⑤ B.①②③④⑤ C.①②③④ D.②③④⑤⑥<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/88320c62fed44ff1bcd36bfea2d0fb69/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/88cadc4a3af04da9b0631f64a13accfa/C0B1B225B6D5B27209A6CEA0AD12CB8F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>能决定“种瓜得瓜,种豆得豆”这种遗传现象的主要结构是( )<br>A.细胞膜 B.细胞质 C.细胞核 D.细胞壁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/b42207d1413d4175966870c16c5c5e08/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/9a1f0ef5d37c4233a8341ef1861669fd/43A7A864F2222C0ECC8BF8EA5C9DCD89.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>吃梨时,我们会尝到酸或甜的味道,这种酸或甜的物质存在于( )<br>A.细胞壁 B.液泡 C.细胞膜 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f07bfc861e4945d39752c09058a85a23/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/23bac764fdf84746bf8069477a789b24/D82E19214C91B1ADDEA7CA97875F0376.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某生物体细胞中含有12对染色体,在细胞分裂后形成的子细胞中,染色体的数目是( )<br>A.12条 B.24对 C.12对 D.6对<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/f87cb7ab482948f4be45ce79e0b647cb/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/d8962c135a004054838030b6d3a2cc49/904E3928AEFF85E32DCAA326A3DA9E7A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>比较大熊猫与竹子的生物体结构层次,大熊猫特有的结构层次是( )<br>A.细胞 B.组织 C.器官 D.系统<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b2a8de00955644d8ad6fc316a13013a5/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/01516c9033d64a1da339df221dcf4cdc/501DC90FD01D4015675C5A2CCB62CD36.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>从生物体的结构层次分析,下图中与其它三者不同的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/13/D43767E90F15E0B02940998A4E7B0FBB.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/13/46E3672353078E9F66ABC18E2188843D.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/13/8B7C1069FD642657978BA79DA480F5CD.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/13/7CD1CC65887C2F753BFFCFAF215D594F.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c6cd8d65d9624fdea589e41e90e65c99/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3efc3d4e6ead40478c908c0f0f63121d/14265CEA77A244A563C4D59E2BECD83A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图所示,按照构成人体的结构层次排序,正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/9/0AEBCD17AB48C013DF45692086658FA6.jpeg"><br>A.④→②→①→③→⑤ B.①→②→③→④→⑤<br>C.⑤→①→③→④→② D.②→①→④→③→⑤<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f8e7a30377c74d4680c3346718e1e856/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/727c7cb82c0d42e3874053ce51015996/58F84D34C113191B0ABBB60C783C3FB6.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>所有的生物都能够进行新陈代谢。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/535ab2efddf243b984c39750a52c9ae0/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5755a1bf6f0144c1ae37cfa97d295529/A1B0579B9667983ECCCE8C576BDDB530.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>植物体的六大器官是:根、茎、叶、花、果实、种子。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8bdd8093c0ee498eb65c184fde05ebb6/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/172f4e8316aa44ea843d7b9a3bef990a/C9350089ABF04641F825BAF33992D7EE.png"><br><br>※题型：判断题※知识点：判断题※试题难度：较易<br>用鼠妇做完实验后,一定要将鼠妇消灭掉。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2012/6b7fd24a9aa5490ea4bebbe34a80886e/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2012/d16a5038207845718ac6b044b49e0897/FFF98AB53EBC6A1A6585E6674CB4C99C.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>生物都是由细胞构成的。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/20a654d312f84eedbfaa455e0b6ca936/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/33c442bfa704414fb0e279e49322e5e4/97F7758FD62EC2E7BA0CE458B89511E5.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>生物只能适应所处的环境,对外界的环境无能为力。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/16eb7a7540e94c85a4f6c1e36cd546dd/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3aaba4b5410d4cfcb0fd7298df1cf53a/37658B2C4814819A85EA3B40DB27C561.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>动物能对外界的刺激<br>作出<br>反应,植物也能。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/55a56b14791e4a4a81fb6fa607525c8b/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/1e16996adcb643c8b9fae412b7eecd39/2A86C455D3648DF8352F39EED218A803.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>生物学研究的基本方法有观察、调查、分类、实验等方法。<br>_<br>____<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c936eb72195b404298b37806b75ed1f5/1571767E7D00EDF0367E5DB18F5CF334.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/77fa5d48e4144a279972c7924e80876b/A57796441DD2CA39B9F8D5C2BD6E2105.png"><br><br>※题型：判断题※知识点：判断题※试题难度：中等<br>人体有八大系统,这些系统是各自工作,互不相干的。<br>_<br>______<br>(判断对错)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/de9f5aebbbc6422bb5606ded9c6b8cb8/1BF6542C45D8F9CAF60E902F8E776A20.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/617e8bd6387245fea5ec95a1cafdfc0b/48A6214FD04174E4BE92C519524B133F.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>根据光学显微镜结构图,回答有关问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/11/9/9084BF4B39CB8C2515CED7BA125C5E4F.jpeg"><br>1.写出图中下列结构的名称。①,②,⑦。<br>2.要使显微镜的镜筒大幅度上升或下降,应转动[]。<br>3.使用的显微镜目镜是5×,物镜是10×,则被观察物体被放大了倍。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/038699fc6dcd45e3b864c5ff086cede2/E4F051E2BF9746E73D4635773716605A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/549e5fc314c747e2b9097b7a20155341/23B4868AE7762107EFBFBED7173081AA.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>如图是植物细胞和动物细胞的结构示意图,据图回答下列问题:(注意:括号内填字母,横线上填文字)<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/11/9/14804717E13AD4F66DAB4D882868052F.jpeg"><br>1.甲、乙两图比较,甲图特有的结构分别是:[]对细胞起保护和支持作用;由此看出甲图代表的是一个细胞。<br>2.[]对细胞也起保护作用,它还能进行物质交换。<br>3.[]是,控制细胞生命活动,里面含有遗传物质。<br>4.细胞的许多生命活动是在[]中进行的,甲中有许多绿色的小颗粒它是植物进行光合作用的场所。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2998c20052cd404aaf15a965791ae7cc/534B010E2D46011669D0874C7A53A219.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3a2d93d5d7464f219e0c4bc3ff7c1be8/0299FA10D9EFE21798BEC1F2EA9C1A26.png"><br><br>
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