admins 发表于 2021-8-18 22:32:34

江苏省宜兴市丁蜀学区2019-2020学年七年级上学期期中质量调研生物试卷

※题型:判断题※知识点:判断题※试题难度:中等<br>影响水稻生长的非生物因素包括阳光、水、空气、温度、土壤和稗草。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ad7ada99badb4a6bb6454c9e96c12611/B4F624DAE646E750151FFAD3FF71C09F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/965019d7e22c42cc8f2d039ab87423e1/DEA806647E4DC4B4BE4D0BB222268290.png"><br><br>※题型:判断题※知识点:判断题※试题难度:中等<br>为了便于看清楚物像,应紧闭右眼,同时用左眼对准目镜观察。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b8296065eade4f8ca97d160fe7cd3a2b/B4F624DAE646E750151FFAD3FF71C09F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a24f91a089b54103bff34bf7de22c8c4/8EA9009AAB3A3B6BD10F27DB2DD76340.png"><br><br>※题型:判断题※知识点:判断题※试题难度:中等<br>调查是科学探究的常用方法,调查时只需如实详尽地做好记录即可。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3c8009b8fd3e48e0831b4d48a81fa2c2/B4F624DAE646E750151FFAD3FF71C09F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/be0ba5a1116a493abaf92ad95cd5c271/11CC337249A381DE05E2A73AE7B18327.png"><br><br>※题型:判断题※知识点:判断题※试题难度:较易<br>进行测量时,若因时间等因素限制,可以只测量1次,也能获得可靠的数据。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/a63619d7f515486cb1b367c425999d82/B4F624DAE646E750151FFAD3FF71C09F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/5e672e6b31ee441dba2853cb2b9bbfdf/7AE4A2952B80A4177A778D9725664940.png"><br><br>※题型:判断题※知识点:判断题※试题难度:中等<br>地球上生态系统的类型多种多样,这些生态系统不是孤立的,而是有着密切的联系。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/eefa74bbed6d40d08690652e1756919a/4BEBB1570D38D48581548ADA86554D97.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/832f733156ed48489c260f574a0f6be6/300A94C6ACF7C91ECF1C9AB1CFF17024.png"><br><br>※题型:判断题※知识点:判断题※试题难度:中等<br>海尔蒙特的柳树实验中,海尔蒙特认为柳树生长需要的物质是水。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/499756f5c49347969597fbc2dfa9b39e/4BEBB1570D38D48581548ADA86554D97.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/277733e40da049dbb05c5c6f1c76e1d8/C0FFEB8A73CEE459EC6A707A3C6EA352.png"><br><br>※题型:判断题※知识点:判断题※试题难度:中等<br>合理密植可以提高光合作用的效率。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/78cd1a6c7e7a44e39412d0b2b1aadd92/4BEBB1570D38D48581548ADA86554D97.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/bbd61be60bc64c06a1373b34c930ef80/6707C0ADCC9B5DE129250332A4B18689.png"><br><br>※题型:判断题※知识点:判断题※试题难度:较易<br>地球上最大的生态系统是海洋生态系统。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/9562f64e8d594923bdd0a5a7592aeeb4/B4F624DAE646E750151FFAD3FF71C09F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/10838f4c28c34563a9d96a63dfd82a31/1D64943AA2FF97FCF352EECE572B8CBF.png"><br><br>※题型:判断题※知识点:判断题※试题难度:较易<br>所有的植物细胞都可以进行光合作用。(&nbsp;&nbsp;)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/00aee73bb2a0472e9dd09c6bc334df91/B4F624DAE646E750151FFAD3FF71C09F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/9640e370ad8c4a53b25a526caf5d107e/365F3245B86132A2F90E2D1F038E150F.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>“雨露滋润禾苗壮”和“种瓜得瓜”分别说明生物具有(&nbsp;&nbsp;)<br>A.生长和遗传现象&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.生长和变异现象<br>C.呼吸和繁殖现象&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.营养和变异现象<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/05e2e403fe7448a5a2b235cdec0a8897/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3f5a10ea604447a4945847adbfb48efb/65EE597F5F66171CBAD06741746AFC15.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下列不属于生命现象的是(&nbsp;&nbsp;&nbsp;)<br>A.花开花落&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.北雁南飞&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.孔雀开屏&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.潮涨潮落<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9326554c3fa548e7b96b514844e252e2/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/15bb2c6acc87466e999c0e82e79a49fe/90325E4A39BD5530FA434C22FF32C449.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>生物具有区别于非生物的一些基本特征。下列不属于生物基本特征的是(&nbsp;&nbsp;)<br>A.生物都能进行运动&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.生物都能适应一定的环境<br>C.生物都能生长发育&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.生物都能繁衍后代<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/19cb648dd7c143df96480a52342d9069/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e631c0da74ed420fa2318b0c05af18fa/09BAD29F683A4F4012489AFC3BA28C3D.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>已知四台显微镜的目镜和物镜的倍数如下,在观察洋葱表皮细胞时,视野中细胞数目最少的显微镜可能是(&nbsp;&nbsp;)<br>A.5×、10×&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.10×、40×&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.5×、40×&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.10×、10×<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4f04037fac0a4a2db197b8057c860b73/4EF59C4461E28F3B3B09551EB8B9AC3F.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>用显微镜观察“人体口腔上皮细胞”临时装片,观察到甲、乙视野。下列正确的是(&nbsp;)<imgA.图一所示显微镜的最小放大倍数为26倍<br>B.图二中,由甲换到乙需要转动转换器和细准焦螺旋<br>C.图二中,甲视野的放大倍数比乙小,视野也较暗<br>D.下降显微镜镜筒时,眼睛应注视目镜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/93f050526fef492882aac268c65090cf/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>显微镜是生物实验中重要的观察工具,下列叙述正确的是(&nbsp;&nbsp;)<br>A.光线暗时用平面镜<br>B.观察的材料应薄而透明<br>C.放大倍数越小视野中细胞数目越少<br>D.用餐巾纸擦拭镜头<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/303affda94f0440797b58df57373104a/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/51040c13717144af9d1ff40cf4daac33/18C5D9F654C274131A5E7E31820741E9.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>收集和分析资料是科学探究中常用的方法之一,资料的形式包括(&nbsp;&nbsp;&nbsp;)<br>A.文字、图片&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.数据&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.音像资料&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.以上都是<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/25e58bcdc15a4c7bb31c59eff717b494/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/e23bcdddaf5a4aa18023a4c60d48dccd/1BC1709B3E5136D2B351E6881C935174.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>陶渊明的诗句“草盛豆苗稀”描绘的自然现象,体现了生物与生物之间的(&nbsp;)<br>A.共生关系&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.捕食关系&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.合作关系&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.竞争关系<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1cbbdb5a72d2422db50bab845366d2cf/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a31a273b36ff4349b8e03b004b1127aa/3B235A796A30364F246273F30C99FE4B.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下列描述的情境中,属于生物影响环境的是(&nbsp;&nbsp;)<br>A.忽如一夜春风来,千树万树梨花开<br>B.千里之堤,毁于蚁穴<br>C.不知细叶谁裁出,二月春风似剪刀<br>D.春风又绿江南岸,明月何时照我还<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/88775d68c41048dda574b199cb30bbc7/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/2ae2093e24cd4b9eb2c6ab258f477471/65E0D9129120BA1B3F434CE721CC4182.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>茂密灌木丛的湿度比裸地大,这说明(&nbsp;&nbsp;)<br>A.生物能影响环境<br>B.生物都能适应环境<br>C.环境影响生物的生存<br>D.生物因素与非生物因素密不可分<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d5d9c11317c047148b5329f23bc19ff0/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/80493bb6da49487fb798f7eefb25fd9a/2AA59E7786CC5B8F01B353F404B3DA96.png"><br><br>※题型:单选题※知识点:单选题※试题难度:容易<br>养金鱼时,常在鱼缸中放一些水草的主要作用是(&nbsp;&nbsp;)<br>A.增加养料&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.提供能量<br>C.增加二氧化碳&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.增加水中氧气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/8665863fcb2b43c4b461e08b79c15745/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/6773a532da0040f2a3ea3392cec13867/73E04FC1088EF8C461045C0F5DE4963A.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,能体现生物对环境的适应的是(&nbsp;&nbsp;)<br>A.大树底下好乘凉<br>B.莲藕的茎是中空的<br>C.千里之堤毁于蚁穴<br>D.蚯蚓的活动使土壤更加疏松<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/62076dbc3988497293a9d6d716444b29/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/73f4058961e94ef483d24131d0def7f1/7A223DA1E1F5CD419604141CB84CC410.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>极地狐和沙漠大耳狐的耳朵大小明显不同,造成这一差异的环境因素是(&nbsp;&nbsp;)<br>A.水分&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.温度&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.光照&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.空气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a3ed7ce38e894c079c6a796d32ea4b92/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/25e03d76cae846f88414ab6d4bc9b8fd/A8EEC58F290D0191261B883AE28FB469.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列属于生态系统的是(&nbsp;&nbsp;)<br>A.太湖中的鱼、虾&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.黄山上的松树<br>C.东海中的生物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.公园内的池塘和其中的生物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/61c9b18c408a4061916e5b672eeade44/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/baba47865ed841ccb2c2b5383e65eaef/25387CEB85CF84E1D5D63A891D94A3D2.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列各组生物中,属于生产者的一组是(&nbsp;&nbsp;)<br>A.海葵和水稻&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.蘑菇和水草&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.海带和紫菜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.玉米和蚯蚓<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7499821181044ea2aa90add778f6007a/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6657d7beab6b4b2eb8066b6342e3d78d/09AF6EF6D1BB8C829958ABC43FECC646.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>某同学在使用显微镜时,看不到白亮的视野。分析其原因,不可能的是(&nbsp;&nbsp;)<br>A.使用了低倍物镜<br>B.物镜没有对准通光孔<br>C.反光镜没有把光线反射到通光孔<br>D.光圈没有对准通光孔<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6a70b88c9ceb4e5e8c1d8c8e4710d6b7/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/83fd19a2438c4f0bbd54f1764530922e/CE21EB34C968C9ECD5C0A10FDA424AB0.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>我们把绿色植物称为生态系统中的生产者,其原因是绿色植物(&nbsp;&nbsp;)<br>A.是绿色的&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.产生二氧化碳<br>C.吸入氧气&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.制造有机物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f610574bf1bf4999bdcbbbb1414dee10/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7dedb0ed385f48f688b116a08496a326/786A85151246152F134FA211B4440B88.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,反映生产者和消费者之间关系的是(&nbsp;&nbsp;)<br>A.虎吃野猪&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.野猪吃蛇&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.蛇吃蝗虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.蝗虫吃草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3257599be9c4498792a15cbfb894e206/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b8cf1844e107407ead8ca542d3199cf5/19445D6C020C2B0C9D6821C3ABE3F582.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>影响生长在农田里的青蛙的环境因素是(&nbsp;&nbsp;)<br>A.农田里的植物和昆虫、蛇等除青蛙以外的动物<br>B.阳光、空气、水、土壤等<br>C.上述A和B的总和<br>D.上述A和B的总和再加上农田里其他的青蛙<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1e59a5a9ac514bac808e8d1c0bbfadf6/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/583cfb6853474592924bfb68dce11215/34D2A4C1DED6B9870C6F3C9AD9D8436C.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>“低碳生活”已成为时髦的话题,保护植被和大面积绿化是降低大气中二氧化碳含量的有效方法,对改善人类的生存环境有重大意义,其原因之一是植物的光合作用能够(&nbsp;&nbsp;)<br>A.吸收二氧化碳&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.吸收水和无机盐<br>C.生产有机物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.释放二氧化碳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/48ff3482c05a4864823ecb0b80f4ee49/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/1e455d96b08f4080a2122e65641a7afa/C0B7E7CE4A50819BCA3D5016BC72EBD4.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>一般来说,绿色植物能够进行光合作用的器官主要是(&nbsp;&nbsp;)<br>A.根&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.茎&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.花&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.叶<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/75171f7123484f029b125fa4ef26b43d/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/f76ed2d8f02d49629450af958ec1cdd2/24D8742B81BE1FB32EDA321F1CC571F2.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下图装置先暗处理,然后用铝箔纸将甲叶片全部包裹,乙叶片不包裹。在连续光照数小时后,摘下甲、乙叶片,去除叶绿素并漂洗,再滴加碘液。下列叙述正确的是(&nbsp;&nbsp;)<imgA.包铝箔纸的目的是为防止水分散失<br>B.该实验证明光合作用需要二氧化碳<br>C.滴加碘液之后,甲叶片呈蓝色,乙叶片呈黄白色<br>D.该实验是一组对照实验,实验过程中酒精必须隔水加热<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/70b5be6ad6d345fd836abfcc64ba0717/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d5e236a2648a460fae179265e67f0d43/6C199536E5A4D2F7F03A0CCFC8379659.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>大棚种植的西瓜喜获丰收,合成西瓜中甜味物质的原料是(&nbsp;)<br>A.二氧化碳和水&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.二氧化碳和氧气<br>C.水和有机物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.氧气和无机盐<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5aed22396b864184b0c02d5f6950f717/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/cee29db4ce354e37818e6854833bb39e/33EEC5633FC4502559F2E336073BF4DC.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>“落红不是无情物,化作春泥更护花”在落花转化为春泥的过程中发挥重要作用的是(&nbsp;&nbsp;&nbsp;)<br>A.植物根部的吸收作用&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.细菌、真菌的分解作用<br>C.花瓣本身的呼吸作用&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.细菌、真菌的合成作用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b4af05412a544121ba415fe9b3d509cb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a3f3ceb41ae44631a247bad74bacbd21/44D87E1CAB8B1E7BECDC01847D08CE54.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>做实验时,如果结果与假设不符合,下列处理方法中,正确的是(&nbsp;&nbsp;)<br>A.修改结果,使其与假设相符<br>B.依据实验结果得出结论<br>C.修改实验过程,使其与假设相符<br>D.修改假设,重新做实验<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/757c8c57a4f448219628ed37a8eaa4b1/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e49576fc96334418ac23ef077a8c2a28/DDC6D808919409F5D2EA1E257CCAD119.png"><br><br>※题型:填空题※知识点:填空题※试题难度:中等<br>完成下面有关光合作用的式子。<br><img <br>光合作用包含两种变化:一种是___⑤___转变,另一种是___⑥___转变。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f2663a07a49e422e827f53a4da043583/CDEF1CEEE26B7958276EEE083B52A737.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/382370b69d8844269b59c441c0a6d8e5/DAE133711B6C76EE12EF7DB6CFD92F0F.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>下图表示的是一个生态系统各成分间的关系,请据图回答:<img <br>1.能够制造有机物的绿色植物叫做____①____,图中编号为____②____;直接或间接以绿色植物为食的叫做____③____,图中编号为____④____;细菌真菌叫做____⑤____,图中编号为____⑥____。<br>2.要组成一个完整的生态系统,还要有____⑦____部分。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/226dfdf0dc0849fe96f8f46362f11ee3/80CA3D5B42719E227206D339301A2F4E.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>下图为中学实验室中常用的显微镜,请回答:<img <br>1.使用显微镜对光的正确程序是:___①___。A.选遮光器上的光圈对准通光孔B.转动转换器,使物镜对准通光孔C.注视目镜转动反光镜调节出一个圆形的光屏2.观察时应先选用②物镜。(填“高倍”或“低倍”)<br>3.显微镜下视野较暗,这时应转动___③___和___④___调节视野的亮度,如果物象不够清晰,调节___⑤___使物象更清晰。<br>4.现有一台显微镜,它有两个目镜(放大倍数分别是5×和10×),两个物镜(放大倍数分别是10×和40×),那么这台显微镜的最大放大倍数是__⑥__倍。如果物像在视野的左下方,要使物像向视野中心移动,应将载玻片向__⑦__移动。<br>5.视野中若有一个污点,擦拭目镜和移动装片时污点都未移动,说明污点很可能在___⑧___上。<br>6.将写有字母“P”的载玻片放在显微镜下观察,在视野中看到的图像是___⑨___。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1add914283d44c0a9efbd995375d6c2e/80EB8FF661EE1B326C2118C18CAF5C9C.png"><br>解析<br>略<br>
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