admins 发表于 2021-8-18 22:34:00

江西省赣州市第一中学2019-2020学年七年级下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>依据生物简易“进化树”,你认为下列各组动物中亲缘关系最近的是(&nbsp;)<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/15/1545FB9AE5A06A7CD2881FAE303BD404.png"><br>A.大猩猩和猩猩&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.人和黑猩猩<br>C.黑猩猩和长臂猿&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.大猩猩和长臂猿<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7688faeca1284c8088e640d54b64d8c7/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/1b93f482c95d4e079053e11d59d4ebe8/CFD878B15E46D28630CE2857777E1B8B.png"><br><br>※题型:单选题※知识点:单选题※试题难度:容易<br>精子与卵细胞结合的部位是(&nbsp;&nbsp;&nbsp;)<br>A.输卵管&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.子宫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.卵巢&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.输精管<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/db071c19dd2c47ceac7a88ec8dc82164/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/92647a0ff15341b980d0371281f3d74c/05CDC4FC375752EA60037DE972D3BE4E.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>淀粉在人体消化道内的最终分解产物是(&nbsp;&nbsp;&nbsp;)<br>A.二氧化碳&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.葡萄糖<br>C.氨基酸&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.甘油和脂肪酸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9dbb103184f14cb6878a7cce2e7bea00/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br>略<br>※题型:单选题※知识点:单选题※试题难度:中等<br>在血细胞中,呈两面凹的圆饼状的是(&nbsp;&nbsp;&nbsp;)<br>A.白细胞&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.血小板&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.红细胞&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.血清<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a1ca10bad50b4989bedc60f564eb7e64/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/75f833b05beb48a0993df9ef5640da38/506B2B21CC2C4C6488CB312E380A80AD.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>与对应的静脉相比,动脉的主要特征是(&nbsp;&nbsp;&nbsp;)<br>A.管壁较厚、弹性大&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.管壁较厚、弹性小<br>C.管壁较薄、弹性大&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.管壁较薄、弹性小<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c48f0b4a7c1e4dd9b4cf5d5027641ffa/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/da2b9cef2f184c79aa3105eab63b72e0/1E08DFCAD122BCEAB0A921CC4FA8F463.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下图是人体心脏示意图,①②③④分别代表心脏的四个腔,其中与肺动脉和肺静脉相连的分别是(&nbsp;&nbsp;)<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/17/1E543A026D518E1AA30CD4CC8B19B318.png"><br>A.①④&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.②③&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.②④&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.③④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/645128f9a69c4feead2640bb085ecd21/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3138ef49268147e8a49ab8b02a0d8e9c/328590E2A2FA2959706920A440A20FD7.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下列哪一项属于复杂反射(&nbsp;&nbsp;)<br>A.缩手反射&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.膝跳反射&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.眨眼反射&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.望梅止渴<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/e50dc9d804e641929ec7ea37eff2f15b/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/fd3178a732c7438b92fde96c5852d753/0DD14975E177A532FA66BF565F07D7F9.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列腺体中,不属于内分泌腺的是(&nbsp;&nbsp;&nbsp;)。A.肠腺&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.胰岛&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.垂体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.睾丸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ff64f1a9e8ac41c0ba1a99a68774211f/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5011ff80d65b4dc496fa53e3ec371573/0621275B7330EA55C83BDE8F9719DFFC.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列关于酸雨的叙述,不正确的是(&nbsp;&nbsp;)<br>A.酸雨不仅影响植物的生长,还腐蚀建筑物<br>B.酸雨主要发生在工厂林立的城市及近郊<br>C.酸雨可以使河流和湖泊酸化,威胁人们的健康<br>D.酸雨是工厂排放的烟雾造成的,与机动车排放尾气无关<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/5a0ad3633b5d440ea90fd80c696e367d/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/2435d392761f48e58eb928c8686ea193/B55B1206D0E03511318FA35A60DCA0AB.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>在肾脏内能将原尿中对人体有用的物质重新吸收回血液的结构(&nbsp;&nbsp;)<br>A.肾小体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.肾小管&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.肾小球&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.肾单位<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/378fb3823dee487f92454d928972c541/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/502c43db306d4c4d9b5f1aae6ed901a1/37F4E0330A4DB1FE3163202EFB2416E4.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>如图是人体血液循环过程示意图,请据图回答以下问题:<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/15/74C5DEB628B6E136DBE8A6F977C4077B.png"><br>style="VERTICAL-ALIGN:middle"><br>1.血液由心脏的结构D流出,经身体多处组织器官后,又流回心脏的结构A,我们把这个循环过程称为________循环。<br>2.C是心脏的________。在处完成气体交换后,血液由________变成了________。<br>3.组织内的气体交换发生在图中的5和8之间,氧最后是在细胞中的________被利用的。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5bcf1873e3f34eb2823efe76d9f9474c/C7B14D53389058AE2C899D87A4216F15.png"><br>解析<br>略<br>※题型:读图填空题※知识点:读图填空题※试题难度:中等<br>如果你是一位足球迷,在看一场精彩的足球比赛,有时会因为异常兴奋或紧张而使你面红耳赤、心跳加快、血压升高.如图是整个反射过程示意图,请你结合所学知识,回答问题:<img <br>1.当精彩的画面一进入眼球,会在______上形成清晰的物像,而视觉则是在______产生的。<br>2.不管足球离你远或近,你都能看清楚,是因为结构[&nbsp;&nbsp;]_______的曲度可以调节。<br>3.有些观众近视,可以佩戴______镜进行矫正。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2c808299e2db4f7496f34cd95f6a41c3/C4A13155FEC7E1BEACC4E1B63F095D0C.png"><br>解析<br>略<br>※题型:填空题※知识点:填空题※试题难度:中等<br>读<br>表<br>完成下<br><tbody><br>装置<br>A<br>B<br>C<br>步骤<br>在<br>A<br>、<br>B<br>、<br>C<br>三个花盆中各播下<br>20<br>粒大豆种子(均满足萌发的自身和外界条件)<br>步骤<br>操作<br>定期喷洒清水,一周后观察<br>电器喷洒等量酸雨,一周后观察<br>现象<br>A<br>、<br>B<br>装置中的种子全部萌发,且长势良好<br>只有<br>14<br>粒种子萌发,且长势弱小<br>步骤<br>操作<br>继续定期喷洒清水<br>定期喷洒等量酸雨<br>现象<br>长势良好,且越来越旺盛<br>长势缓慢,且有部分幼苗逐渐枯萎致死<br></tbody><br>1.雨水酸性强弱可以用酸碱度(pH)表示,酸雨是指pH低于_____的雨水,引起酸雨的主要气体是_____。<br>2.该实验中,每个装置内都放有20粒种子而不是1粒种子,理由是__________________。<br>3.若以A、B为一组对照实验,则探究的变量是_______。<br>4.若以_______为一组对照实验,可以得出的结论是:酸雨影响幼苗的生长。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3cdeb085aa454553a713a682d4e9015d/22751E99D37ED5B067382882DE38070D.png"><br>解析<br>略<br>
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