固安县彭村乡中学2020-2021学年七年级第一学期期末监测（二）生物试卷
※题型：单选题※知识点：单选题※试题难度：较易<br>生物学的研究对象是( )<br>A.生命现象 B.生命活动规律<br>C.一切生物的组成 D.生命现象和生命活动规律<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/14d8b914c6144c0b96e7d3471610d1e6/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/84c7d52b4dbd49a8b2546571accde78c/4AA860AC51605ACD38004111754C38FF.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>从洋葱表皮上撕下一小块透明薄膜制成玻片标本用来临时观察,这种玻片标本称作( )<br>A.切片 B.永久装片 C.涂片 D.临时装片<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/ee247b71007047d98a5b231dd1065876/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/f579d61ca65d458e873625abf44ea5c8/D37A7D236DBF24F512C6D99970B5CDE9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生物能够表现出非生物所不具有的生命现象。下列古诗描述的现象中,不包含生命现象的是( )<br>A.种豆南山下,草盛豆苗稀<br>B.离离原上草,一岁一枯荣<br>C.夜来风雨声,花落知多少<br>D.床前明月光,疑是地上霜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/c4ca1d9e082c4b1d8158253a77fcf9d4/01A39E48B8A67989A23F6887F26FCC64.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>下面是明明制作洋葱鳞片叶表皮细胞临时装片的操作步骤,操作顺序正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2014/8/28/040ED43CE26784CA277ADA318720B6C0.png"><br>A.①②③④ B.①③②④ C.②①③④ D.②①④③<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/878ab5088d70488284e6a6e135245b4c/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/39d52fbe5d5b4102b66e675576c19a28/36A196B979957967A797D70FE99D93E6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>要将显微镜视野中左侧的物象移到视野中央,应轻轻地将玻片标本移向( )<br>A.左侧 B.上侧 C.下侧 D.右侧<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4af14ccd3187456b9ee7d0cf4b9c1c34/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d0f85f255dce4c5d93364ceee538948f/8B8CF7F9019D53159750C2FAEF590C36.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>如果在显微镜中看到的物象是“pq”,在装片上写的字母是( )<br>A.pq B.bq C.bd D.pd<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/ef1b01adcaa2483d8a5b930550df6e55/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/48d3b043f3fa4a6a8439dc6f88e549e8/4421104016F39694530AFEAC103A65F6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>一般卧室里不能摆放过多的植物过夜,这是因为( )<br>A.植物生长需要营养<br>B.植物要生长<br>C.植物要呼吸,会产生二氧化碳<br>D.植物会释放氧气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/831b92ecd84443eca907efb00c56b612/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/240e336f08094f929a9e40ca1af3a349/3AB9AD2D541E7F78D3C0394C4B9403D1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>植物种子内,能发育成幼苗的是( )<br>A.胚 B.子叶 C.种皮 D.胚乳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/925abcd4bf124b01bb96477c9c52e7e0/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/b8e04ec8e7974af6944bcbe532465cf2/7B4E8E0B2B4EC0BAD0DB7FFFAD6081B2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>早餐的油条用到的面粉和大豆油,分别来自( )<br>A.小麦的子叶,大豆的子叶<br>B.小麦的胚乳,大豆的子叶<br>C.小麦的子叶,大豆的胚乳<br>D.小麦的胚乳,大豆的胚乳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/19eacb81cf964bfc8e4effbb8a4b34bb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/6580339dae6143ec9e266fe36caf9967/2BE993EB27A5B641AB9A040432FF0046.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>根的长度不断增加的原因是( )<br>A.根冠和生长点 B.根冠和伸长区<br>C.分生区和伸长区 D.伸长区和成熟区<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ce3bf9c535674f06b13c2b8a06334d28/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/79c18c1a0b8a4b9f99b1de7b1efa6e2d/447466FBBC29EC535CCF164143518EC3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>小明进行了一项课外实践一发豆芽,黄豆种子萌发时,首先突破种皮的部位是( )<br>A.胚芽 B.胚根 C.胚轴 D.胚乳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/cade13ced46141909ffb9e489865abb1/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c640755f38d147bfad8bc60c68572b7f/5D0887E9B19C66B587476F6C7B3ECB97.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>长时间储存的苹果,表面发生皱缩,原因是( )<br>A.有机物被分解,细胞数目减少 B.无机盐减少<br>C.有机物被分解,水分散失 D.蒸腾失水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/97fb8f071d6a4e348424c9783e22a213/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/bfcf6c8bb72d48f4be92a3ee55d13c79/14D9BC340273DC598DBF52B96B8E0F29.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列有关植物芽的叙述,不正确的是( )<br>A.芽中有分生组织<br>B.芽可以发育成枝条<br>C.芽都长在植物茎的顶端<br>D.叶芽、花芽将来的发育不同<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0b52587114f84610b21995cf0cdc725a/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/abfddbbca8a047669807ca5676171138/09A5311116C8C158374A4613DB854171.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：较易<br>如图中,甲、乙是不同生物细胞的结构示意图。根据图冋答下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/8/21/0D0592CE679D54A57FE79453C62A9EC9.png"><br>1.图中(填“甲”或“乙”)是植物细胞,对比甲、乙两图可以看出,植物细胞和动物细胞共有的结构是细胞膜、细胞核、(填细胞结构的名称)。<br>2.细胞结构中和生物遗传有关的细胞结构是[]。<br>3.细胞的许多生命活动都是在中完成的。<br>4.把菠菜放人水中煮几分钟,水变成绿色,而把它放入冷水中并不加热,则不会出现这种现象,可见高温会破坏植物细胞的,使其失去了控制物质进出的能力。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/039b1280bba548259e11df640136540d/69A8A100321FBA32CFF2BA36832F791D.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/740882c519644ada8845bb1ed6a9d338/B2E8F31278D6D655FE7A1F684F23B893.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：较易<br>下图是显微镜结构图,请根据使用情况回答:<img <br>1.用来调节光线强弱的结构是[ ]_____和[ ]______。<br>2.试着逆时针方向转动粗准焦螺旋,使镜筒缓缓(上升或下降)。<br>3.当视野内出现污点,分别旋转目镜和移动玻片污点不动,则污点在[ ]_______上。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ac5a47cb53224e088ca1dd79e01f1c6a/8A062315A398F0FF85D33B6EC0428D9F.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：较易<br>如图是菜豆种子基本结构模式图,<br>请据图<br>回答问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/8/17/0384F2AA30E5D33351858C0518718C29.png"><br>1.请写出下面序号所代表的结构名称[①]、[②]、[③]。<br>2.是新植物的幼体,由[①][②][③][④]组成。<br>3.菜豆种子的营养物质储存在[④]里。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/33117ee3800445fa8f5435086cce4388/D9EDBA98771AF7F16AC6D9AF1F36DC81.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9f86ed7ef7a9472da9755addcd1d2beb/2B0916CC169A3DF4B4084CF6A466AC95.png"><br><br>
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