河南省新乡市部分初中2019-2020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：中等<br>下列属于生物的是( )<br>A.死亡的鱼 B.石头 C.电脑 D.小草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f5c7b32c7bcc40808ab97d5b938917a0/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/731177bc6985488ba37d64d9cc7b05ab/BEF2FB2D8C6DFC05D782D7E20DC558C2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>受到碰触时,含羞草展开的叶片会合拢,这说明生物具有下列哪一特征?( )<br>A.能对刺激作出反应 B.能进行光合作用<br>C.能产生运动 D.能进行呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2ff86de73014443daa580b25defd0394/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/fa954c59e6d144adbba57a374a62ef4f/3DE99C35F677EB642F61F46E031DAB91.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“种瓜得瓜,种豆得豆”这种现象主要决定于细胞的( )<br>A.细胞壁 B.细胞膜 C.细胞核 D.液泡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4aa2d60fd601451999672db5883b949c/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6ae9d57bf3f14783bb6e75eabd529164/43A7A864F2222C0ECC8BF8EA5C9DCD89.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>美丽的沂源我的家,沂源鲁山风景优美,植物繁多,为了解沂源鲁山上的生物种类,通常用( )<br>A.调查法 B.观察法 C.实验法 D.分类法<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/64350855746c4bf7b87172d8dc1e4edd/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5cafabca48684fc49ca26064f662cc9e/6F7EE0001BA86269460C9E6CD2EA5BB7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在动植物细胞中,遗传物质存在于( )<br>A.液泡 B.细胞膜 C.细胞质 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/dd35dfa1908c4d42a3bca226f3d3b480/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/fc6cec63a0034c1d9cbb428dff59e148/EFC5847BB5EDEAD50EF2EB6FDECA1146.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>地衣能从岩石中获取营养,分泌的地衣酸会腐蚀风化岩石,这说明生物与环境的关系是( )<br>A.相互适应<br>B.相互影响<br>C.生物依赖环境,又影响环境<br>D.生物既适应环境,又影响环境<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ac88d7e89b4740d28c55c8ffeaf9bae6/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7f486a59b31648028c369f76bd52928e/469C2E86C8A4CA485EE488D2130D33FE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用显微镜观察写有“b”字的玻片,则看到的物象是( )<br>A.b B.p C.d D.q<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/77114ea14af447298e584abd96beb0c6/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e575709287ee454499a8e3ff588149b3/FC6034CD65A837E30EA84435916E247C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列各项中,不属于器官的是( )<br>A.番茄的茎 B.蚕豆的花 C.人的胃 D.血液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/51568c6532cb4b0892f417519714be5b/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b02e6719a70a4759bd33770459e1ed32/1B4731FB6243A949E3AFA3444521B122.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>植物的营养器官不包括( )<br>A.根 B.茎 C.叶 D.种子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2057bc9ce1604d1eb353edd87cfed838/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/008b65e92f284b539f07a1f80e95f0fb/0EE6C1FBC65683ED36BA10B77103C7EC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>小明用显微镜观察下列细胞,其中具有细胞壁但无叶绿体的是( )<br>A.菠菜叶肉细胞 B.洋葱鳞片叶内表皮细胞<br>C.人体口腔上皮细胞 D.血涂片中的红细胞<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/582c4db1ae3c4654b45cbd285e3d3f43/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6444236413fc48d3a140cfeb7cc1a86f/6117CE7D7CCAAC8050B6A80703F72F7F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>炒蔬菜时常会产生一些水而形成“菜汤”,水分主要来自细胞的( )<br>A.细胞壁 B.细胞质 C.液泡 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2e6b7c13a98f484d9520750ced36e578/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e3f5898f1fa04cf5a4528b0aacf4ecf5/394B0F89CB7E502531BB9667AC26806F.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>有<br>的物体叫生物。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c92ce987f7c84929abe6645f3a9587e3/7BF1144D5C4BFDD047490D12E00E9F29.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/333e81ddaedf463190c52fdc80e12f04/0450B0227798ED9F8439AF6E799A8C65.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>除病毒外,生物都是由<br>构成的,它是生物体结构和功能的基本单位。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8718f70e20924f959118e6f263891ba9/839B59D223BE64D9911C45E0A0875D8E.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6f5b3d2db5e0476ba348ac440e46b43b/4258B174BAB36A1E98371211DC24B82E.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>组织是经过<br>形成的。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8afe571a22ba4c94bd8ce4a0b261d638/50DB7ACA3D09F9395E306599FF63C33A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/462a97f040d14efcb9c042fbc9945b18/862A65CFB0379C7AD56F032B24AB2822.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>遗传物质主要存在于<br>,主要的遗传物质是<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/df6c4e6a6ef8481a90d5c2908f2815a3/CF8177CFF1C4418B79B2F762EADE1BC5.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/25d75cba9fad472ca181a0db26b0a220/1FC6EA6D052FC593DD54CE7202707EF2.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>一株绿色开花植物由六种器官组成,属于生殖器官的是 、、。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ca153d0a90c6444fa50adecbdfa3c3c9/923CB604243E5DC275A408523045B206.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/4e01e8a9d9f345efb56f4ccf93e29370/DE3C243E5BAADEDC9EAE289C77B0FD88.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>观察如图,并回答相关问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/10/24/C01B5B73000D469E4D1129906F0AD3EE.png"><br>1.图中属于植物细胞的是图,属于动物细胞的是。<br>2.写出图中所示细胞各部分结构的名称:A.;B.;C.;D.;E.;F.。3.切开番茄时,流出的红色汁液是,它来自。(填字母)<br>4.对细胞起支持和保护作用的结构是。(填字母)控制生物的遗传的结构的是。(填字母)<br>5.植物细胞和动物细胞相比,动物细胞没有、、。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/63caa33395a7402c8ea55b8c6f7b4e38/D3EBA18895E22240905261A1802CF33E.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f57ce23bf700445996d44fdb1e799c08/60FCDE78BECD3D035F4F9A8A1D06E856.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>如图是草履虫的结构图,请读图并完成后面的填空。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/10/24/51D4815229C4AEA4A1E8FB8AC98EFEC8.png"><br>1.草履虫是动物,靠进行运动。<br>2.具有消化食物和吸收营养的作用。<br>3.草履虫通过从水中获得氧气。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6352bd17f3c84d13906d52904f4e4842/C6A861DCFBB509E23BD1FA343E7A625B.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/30c73c3f134141c684bce1a3055ff686/132B22FC56D2561E8EE70715D59D5E2B.png"><br><br>※题型：探究题※知识点：探究题※试题难度：中等<br>某同学在探究“光对鼠妇生活的影响”时,设计了如下实验:<br>1.该实验的变量是。<br>2.作出假设:。<br>3.【实验步骤】:①在一个铁盘内放上一层潮湿土壤,以横轴中线为界,盘上左侧(甲组)盖不透光纸板,右侧(乙组)盖玻璃板(如图)。在盘内形成两种环境。<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/24/CC554D33BA5FAEA46DE995E3FE097D45.png"><br>②将10只鼠妇放入铁盘左侧中央,右侧中央处放鼠妇,静置2分钟。③观察统计:每隔一分钟统计一次甲组和乙组的鼠妇的数目,统计10次。分别计算出甲组和乙组统计数据的,对数据进行比较分析。【预测结果】:黑暗处鼠妇的数量,明亮处的。(填“多”或“少”)【实验结论】:鼠妇(填“喜欢”或“不喜欢”)黑暗的环境。由此可知鼠妇适宜生存的环境条件是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e13721dea8e74fa8b829be83d90f0de5/89831DAE0D384880762FAF062D51FFA6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/eba573db2ff84bfaa0ac0be891428f86/F7D07881046F05C37ED503D3399CAC42.png"><br><br>
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