admins 发表于 2021-8-18 22:23:51

陕西省安康市汉滨区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>唐代边塞诗人岑参有诗赞颂雪莲花:“异香升腾,秀色媚景。耻与众草之为伍,何亭亭而独芳?何不为人之所尝兮,深山穹谷秀严霜。”雪莲花生活的环境是(&nbsp;&nbsp;&nbsp;)<br>A.冰冻的极地&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.3000米左右的高山雪线&nbsp;&nbsp;<br>C.潮湿的草丛&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.浩瀚的海洋<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/1be51b6772e74bbaa760cd589a7ff9ad/76900E09FAB5EBA344B8EA84E844FF07.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>不可以构成一个生态系统的是(&nbsp;&nbsp;&nbsp;)<br>A.一片小池塘&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.一条河流<br>C.地球&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.一群羊和一群马<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/326ef69b2c5c44cb8dd7787584b80f64/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型:单选题※知识点:单选题※试题难度:较易<br>影响沙漠中植物生活的最主要非生物因素是(&nbsp;&nbsp;&nbsp;)<br>A.阳光&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.空气&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.水&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.温度<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/55475cbb903d4afdac4a4568b95553f1/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型:单选题※知识点:单选题※试题难度:较易<br>在显微镜下观察,在视野内所见的图像是“b”,那么载玻片上的图形是(&nbsp;&nbsp;&nbsp;)<br>A.p&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.q&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.b&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.都不对<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ac22318367f847759ba24ae3eb6e6903/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型:单选题※知识点:单选题※试题难度:较易<br>在一个池塘中,属于生产者的是(&nbsp;&nbsp;&nbsp;)<br>A.虾&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.水草&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.小鱼&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.青蛙<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/146d03c2880e45e1b3a1ea33c2b7c630/76900E09FAB5EBA344B8EA84E844FF07.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>人们研究雷达的回声定位系统,是模仿了下列哪种动物而研制的(&nbsp;&nbsp;&nbsp;)<br>A.蝉&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.蝙蝠<br>C.鸟类&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.鱼类<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/d56d722c3df14efdbf7ecf8e4f86753e/76900E09FAB5EBA344B8EA84E844FF07.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>属于生产者与消费者关系的是(&nbsp;&nbsp;&nbsp;)<br>A.青蛙捕食昆虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.松鼠吃蘑菇<br>C.蛇捕食青蛙&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.兔吃草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/8cbbf49b2aba45429ea066e0580a8b70/01A39E48B8A67989A23F6887F26FCC64.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>下列生物之间属于捕食关系的是(&nbsp;&nbsp;&nbsp;)<br>A.草原上的狼和兔<br>B.群蜂采蜜<br>C.生活在豆科植物上的菟丝子<br>D.稻田中的水稻和稗草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/2e757f61227e495b81f6de8ede80e329/E7F0EDF83F40244C8F0C84B97471AED6.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>下列可以称为生态系统的是(&nbsp;)<br>A.一个鱼缸中所有鱼、水草、虫<br>B.池塘及池塘里的所有生物<br>C.一个池塘的全部鱼类和浮游生物<br>D.垫江牡丹湖中的全部微生物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/829e4e0762064d55a9fece94e70410d2/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/baeca874041c4346956455ee18208b77/52BA950B3228867AA71CD302D271B7E1.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>取显微镜的正确方法是(&nbsp;&nbsp;&nbsp;)<br>A.用两手握住镜臂<br>B.用左手提着镜臂<br>C.右手握住镜臂、左手托住镜座<br>D.用两手托住镜座<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/8e295be3c0ff49508535578fc14a4f52/06CA09E70C17EF8BA2D3B8C70D693953.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>下列不属于生物圈范围的是(&nbsp;&nbsp;&nbsp;)<br>A.大气圈下层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.水圈上层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.岩石圈上层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.太空<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/abab78fc0e074a3183d7903e313606d3/01A39E48B8A67989A23F6887F26FCC64.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>俗话说一山不容二虎,这种现象在生物学上称为(&nbsp;&nbsp;&nbsp;)<br>A.共生&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.竞争&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.捕食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.寄生<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7d390ed1fbe9418196f68a2df610fe0c/76900E09FAB5EBA344B8EA84E844FF07.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>被誉为世界杂交水稻之父的生物学家是<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c8a78878018441bba7c6c11e8bc4957c/FFCB1728F818834E6D879973D40A9DF8.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>光合作用的原料是和产物是和<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/18c102baa2f44f1896de7183530add9d/D5517A14AE1728F81506B88EA68396DB.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>影响生物生存的因素分和<br>两部分<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/fcc4aa8d218c46498626d6cea56e963e/5A8041BFC4DC0FEE4E644A64BF334E38.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>生物圈是地球上的和的总称。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0602f1045a8140b7ac5c5fc41d798463/3167D4E81649EFE032D891DD580A4226.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>科学探究的正确顺序是提出问题、、、得出结论、表达和交流。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/af0e0e5628c042c9985d60f9c75c52e6/79AA45109324843BFFAC7836D06DAC66.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>生态系统是指在一定地域内与所形成的统一的整体。在生态系统中是生产者,是消费者是分解者,最大的生态系统是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b610af3614714584b080c9dfa8bd5c10/0E2D9AFC80C30FD6814AAA317D97F616.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>生物只有适应环境才能生存下来,如果不适应环境就会被。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4e17b89c7d744b30bc69126658bed654/D00A53FF57A61CD79B85B9AFF81DFCEA.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>生物学常用的方法有观察法和。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f61c114f04804f93b2fb782f037c528f/9D0280482F16330BC6A3B963820DEFF2.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>下图为光学显微镜结构示意图,根据提出的问题进行回答。<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/31/064B089CB7B47A7F89589C9FBC07F84C.png"><br>1.<br>写出显微镜的结构名称:<br>①<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>④<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>⑩<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>⑨<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>2.一台显微镜的目镜为放大10倍,物镜放大为40倍,这台显微镜的放大倍数为<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/e34c7584ccce423dbdda31c47360e67e/17AD07F2E0D398BC9E7232BCBC1322B1.png"><br>解析<br>略<br>
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