内蒙古呼和浩特市2018-2019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：较易<br>请从下面列举的四组中,选出都是生物的一组( )<br>A.太阳、细菌 B.蘑菇、鹅卵石<br>C.病毒、番茄 D.河水、木耳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/764955de53a4449ba189657154a250ce/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/22bf011da7604e8985bf48bfaef57e5a/09B2BFFEF3848DDE565193A4996BC10C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“人间四月芳菲尽,山寺桃花始盛开”,造成这一差异的非生物因素主要是( )<br>A.光 B.水 C.温度 D.湿度<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e8aed5e896fa4dbf99abb30969e62851/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/422ca9be0a9447d6a9d6d06c2e9dee3e/36C0698B63E05C1CDC3E22FD3A77918E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在探究“光对鼠妇生活的影响”这一实验过程中,实验变量是( )<br>A.温度 B.湿度 C.光 D.周围的环境<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f72e5c3d72c2423db93098287b08577f/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b1b86dbf60ad479cb9a15ea47d3e9d27/382B6EA3A307484227051ED73E08F798.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生活在沙漠中的仙人掌,叶退化成刺可以减少水的散失。对此最恰当的解释是( )<br>A.生物影响环境 B.生物适应环境<br>C.生物改变环境 D.生物依赖环境<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8ce594f2c63f470682468c7b17e90c35/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/27c31aec69974fc788a040e58663a378/FB6838C0B15A9C02C9A23AA3063FDC80.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列各项中,属于非生物因素的是( )<br>A.绿色植物 B.阳光 C.肉食性动物 D.微生物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/009d4e84802c4d00ad9e90cbb087f3ff/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/45f23178ab1e404bb4df586b44ada75f/C87A4A76FDC7B58A54C11245D5B11E28.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>2003年10月15日9时,由中国自行研制的“神舟五号”飞船载着中国自己培养的宇航员杨利伟升入太空,并在太空遨游21小时,实现了中国几代人的梦想,请问下列哪项不是宇航员必须携带的维持生命的物质( )<br>A.鲜花 B.淡水 C.营养物质 D.氧气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/024f1bf3107f489caf85b0cd5e46d8de/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/827cf66c583347a7bacd7d556bcbe7f4/F419E6AF87E73DCBE145AB26AFEEDDF7.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/ab29cf5b1d6a4792b26f6c7096dbb2b6/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/cbb831373df446ff827e0d8fa845ca6a/469C2E86C8A4CA485EE488D2130D33FE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于探究得到的结论的叙述中正确的是( )<br>A.结论一定与假设相符<br>B.结论与假设不符时一定是错的<br>C.结论一定与假设不符<br>D.结论与假设不符时可能是对的<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/06aca0798bdc44aaaf71a46864c0c252/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8acd27ec7beb4e52b1110f51df442855/A904BEC83045250EAB574D71555192ED.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/f4a5e49060874894aa8e9192152b35bb/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/92f03cd7bb224880b0f1c1f794fbdf65/FC6034CD65A837E30EA84435916E247C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>制作临时装片时,必须让盖玻片的一边先接触水,然后再轻轻地盖上,其主要目的是( )<br>A.避免盖玻片下面出现气泡 B.防止实验材料移动<br>C.增强透明度 D.防止水溢出<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/64f80f2e8cf244769091af47b53fa1bb/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a18cd2fd04a240d6a4598c83882bf3d1/82FAC04D8C4531F0F83F1A69B212CB96.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>显微镜的使用步骤是( )<br>①取镜②对光③装目镜④降镜筒⑤观察A.①②③④⑤ B.①③②④⑤ C.①⑤④③② D.①③②⑤④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/08f6550d17be4e4c97a2f4652c834433/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/29a0d15f737f40bba771446a63071bfa/2A63252900CC3BF654703FF5C37306F4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列组织中,哪个组织具有支持、营养、连接、保护等功能( )<br>A.上皮组织 B.肌肉组织 C.神经组织 D.结缔组织<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7f97a9322f7544f8ada35ef0a8ce3171/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/06e22c9fa07b44839db62d47c5fd7847/17213E863F3DF20A7DAD1E461433E4D8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>细胞分裂过程的正确顺序是( )<br>①细胞质平均分成两份,每份各含有一个细胞核;②在原来的细胞中央,形成新的细胞膜,植物细胞还形成新的细胞壁;③细胞核由一个分成两个。A.①②③ B.②①③ C.③①② D.①③②<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/07b88dfc3f0a440994d793fdb5a129f7/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6d5adcb31c324bbe9168d15116708503/D0198780BA8E349F41A31E488C78ABA3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>草履虫运动的特点是( )<br>A.在水中均匀运动 B.旋转前进<br>C.运动缓慢 D.不能自由运动<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3e7841d659cb4aa9aef7a31cacb866b2/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c1d56df57d0a4a13a6d8e8e4ee53a2b6/7557E5EC5FCE6AEF856AA592EB0128DB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用热水烫番茄,很容易从番茄表面撕下一层“皮”,这层“皮”属于( )<br>A.表皮组织 B.输导组织 C.保护组织 D.分生组织<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/17c8bbffa7ff474e96c86658f533ae92/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5c7a14fcdd3b430abb508af3d164f60e/BDC0E3A8B1C67BEE7904401F8C5EAABB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>骨组织、血液等都属于( )<br>A.上皮组织 B.结缔组织 C.肌肉组织 D.营养组织<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/932f6ae2ea9547a58e43ba06f1f693a5/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/cc548208b8674a909f384097c9472ada/EE6590057D81669FADEAF274466A3FAC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某同学使用显微镜时,在低倍镜视野中看到的图象在左上方,他想将物像移到视野正中,则应将玻片()<br>A.向左上移动 B.向右上移动 C.向左下移动 D.向右下移动<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4e2f21897ebf49ba93ec8c39b34b26b4/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/02a4926418d54d3984e9557d789e3dd3/B18A3BCA71E03848665F6606BD4C4C71.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列结构属于器官的是( )<br>A.柑橘果肉 B.一只香蕉 C.洋葱表皮 D.苹果果皮<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/89ebdcb4aa174147b20ca81f6514a398/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/252900312f0943bfb6762dc54d406efe/70D001DD2E1BC6DE3519D2110F751D7C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>细胞分化是指( )<br>A.细胞体积增大的过程<br>B.细胞之间相互连接的过程<br>C.细胞恢复分裂能力<br>D.细胞形态、结构和功能产生差异的过程<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1ba8cbd426954ff49986fcafce1b772c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/890c403d9c7b49159c62065b4c9b708c/C215A3820653FD6FD513470F3AE4F2D0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>切西瓜时会流出许多汁液,主要来自于( )<br>A.细胞膜 B.细胞质 C.细胞核 D.液泡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ef593549126d4ecd990b0a1a2c86e265/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/afbb7942008d475b82b4e244cc29eecd/A32EB864EB86E3148EB9DE4ACDDECB81.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>动物和植物都有的能量转换器是( )<br>A.线粒体 B.叶绿体和线粒体<br>C.叶绿体 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/63ac51e8a0fa4f13a9624861c3d6f32b/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8e51e153eb3446de8e1990718312f958/02E335B5FCB2BB21379D977E08707E0C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列材料可以直接放在显微镜下观察的是( )<br>A.一片树叶 B.一根头发<br>C.洋葱鳞片叶 D.涂抹人血液的玻片标本<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5c7750a3b3d14ab6bcbb309439a0a346/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/64ba16250e5e40bcb6876413d17b6558/CC4E5741EE2D9E377C38D9F914DD6AEE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>克隆羊“多莉”是将白脸绵羊的乳腺细胞核移植到黑脸绵羊的去核卵细胞中形成的重组细胞,后经一系列培养而成,请分析:“多莉”的面部毛色应是( )<br>A.白色 B.黑色 C.黑白相间 D.不能确定<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4e5fccfc6ce94a9181400c18895f6d05/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c2abc2cf90a6461f8b28be0502dd1c9e/D01D8D2F040D49D4FB62572ED746F3FB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>植物细胞中可以将太阳能转换为化学能的结构是( )<br>A.细胞质 B.线粒体 C.叶绿体 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d814e98a625a4d729186f54e7e44b5be/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ff74c13ff5264b5294b74874972c9559/B3A77C1B5006DE6A460EABDC23E17B49.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>血液属于哪种组织( )<br>A.上皮组织 B.神经组织 C.结缔组织 D.肌肉组织<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3b609db924764f8da9e987fd4c8c33e5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ee7f13224bdd46349f6580f12692650b/714DDD5267D5083B740C1E2851DB7345.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>根据图回答:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/5/15/17EE1BE94A99118FD2F71254B85FFBC5.png"><br>1.属于植物细胞的是图,属于动物细胞的是图。<br>2.图中B是主要作用是。<br>3.动植物细胞都共有的结构是。(填字母代号)<br>4.图中结构E名称是,它是进行的场所。<br>5.生物体的遗传物质存在于图中的[]。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2ebf09aef8094e6f8cf51bb99a96701c/069295AA9BA006042F83D0CE94050ADA.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b302baa62d984f6ba22586457076f59b/122DCCA9C385458836DC609D72EEFC86.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/5/15/99CBBD40F8D3C54CBC3D6F3B0205E1B9.jpeg"><br>1.如图生态系统中能量的最终来源是数量最多的生物是数量最少的生物是体内有毒物质最多的生物是图中共有条食物链。·<br>2.从生态系统的组成来看,图中还缺少和。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5271f089e32e437b960a7f2135be33ea/563C771245C5E8FBF13AA2103B2865BF.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/77acd33b98af405b9f68d4d7037d6650/66813E860C9B1CC9513EB7F138ADFC52.png"><br><br>
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