黑龙江省龙东地区2019届中考生物试卷
※题型：单选题※知识点：单选题※试题难度：中等<br>人的受精卵形成的部位是( )<br>A.子宫 B.输卵管 C.卵巢 D.阴道<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/3beef1f238434154b11384bb9a0ec3a2/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3c71894119ad450897bcb609f701b455/640441F2512065192A1FFBFA86D2B4D9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>被称为中国鸽子树、植物界“活化石”的是下列哪种植物( )<br>A.柳树 B.珙桐 C.杨树 D.松树<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0783dc4949474caf9d40a334ebdc8419/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/70363cbeaa35427facbd6625088f3cb8/023BBC9019662330EE8D64238CEF1B3B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>以下生物分类单位中,生物之间亲缘关系最近的是( )<br>A.界 B.纲 C.科 D.种<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/41a28d147a714468b759972ccdf8a548/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/68463606685d4081a3a5186233f1cf7b/5C60597D61E71B008C977FB26EF97530.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>科学家把大鼠生长激素基因转入小鼠受精卵内,培育出超级大鼠利用的生物技术是( )<br>A.转基因技术 B.发酵技术<br>C.克隆技术 D.组织培养技术<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/202d996c5c1d479ba4a4be5bfc530f3d/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/39b55b3bb78247d8a7330648b44696bf/B7B2EB46EBF7EC07A18DE2BC9439F82F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列有关实验过程或结论的叙述,错误的是( )<br>A.徒手切片时,缓慢切割叶片<br>B.在草履虫培养液的表层吸取培养液<br>C.小鱼尾鰭中红细胞单行通过的血管是毛细血管<br>D.显微镜中观察到的物像是倒像<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/50ffd430ba1c4dc6aeb49b969b25df3c/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/4bbf832f2dd4412c99b20ab4e0ddec92/5629B337C1C5EBFD65E7B4FB027348CB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>农田适时松土,遇到涝害时排水,都是为了保证根的( )<br>A.光合作用 B.蒸腾作用 C.呼吸作用 D.吸收作用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7bd32628f8e744c6ac0153ba5bdf1797/F3FFF02E67737AECAA5F9376DCA7D618.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2ecbceb60f4d40b1b7d5acf55459114a/AB376031749C2F0029114B9E390861E2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于植物有性生殖的是( )<br>A.苹果树的嫁接 B.南瓜用种子繁殖<br>C.月季枝条的扦插 D.马铃薯用块茎繁殖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4742e247948f49649f7bb2b0a502edac/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/cc799152092746899e61471985d3e568/42754AC8658B9B833ECAD08931FFA501.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>农谚说“有收无收在于水,多收少收在于肥”。根尖吸收水和无机盐的主要部位是( )<br>A.成熟区 B.伸长区 C.分生区 D.根冠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/307d9f19553c42bfba2168efba528ce3/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2c9086235ec7451eb0a1278a94ddda7b/7152975199AA72016F1D6D953CB9C173.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>大骨炖酸菜是东北人喜爱的菜肴。腌制酸菜的过程中,利用到的微生物是( )<br>A.醋酸菌 B.乳酸菌 C.酵母菌 D.霉菌<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/6b283b977ec94a639bc65197a6ea423b/CB10E80A5A739A58F1312BA12F379467.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/6b261867136641fdb0d76f94fa2946dc/EEECC7C7AB310BFBF7BE08B90B8822FA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列做法符合健康理念的是( )<br>A.吸烟酗酒 B.打牌赌钱 C.暴饮暴食 D.远离毒品<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/74dce2f2718648978f38176b6ecd91ec/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c787b37d625b4b98bfb314d0200fac8e/96EA720C66A26A01EC812DBC540C6FC7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>新疆地区光照时间长,昼夜温差大,生长的葡萄特别甜。主要原因是( )<br>A.白天光合作用强,夜晚呼吸作用强<br>B.白天呼吸作用弱,夜晚呼吸作用弱<br>C.白天光合作用强,夜晚呼吸作用弱<br>D.白天呼吸作用弱,夜晚蒸腾作用强<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7c36c4cea48848538968c0078517bec7/F3FFF02E67737AECAA5F9376DCA7D618.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3e6c720dbc9949198efc4f420e5acd91/1B74E0CD89D1329ED01426C54F8AF9B7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>2019年4月1日,教育部等多部门共同发布的《学校食品安全与营养健康管理规定》开始执行。下列可以放心食用的食品是( )<br>A.发芽的马铃薯 B.毒蘑菇<br>C.未经检疫的猪肉 D.经过清水浸泡、冲洗的苹果<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/dbf9ea7eb5ee404789968ff4a34db1d5/2BB966A0E0D0EF1A330D14E3ADEDA5C5.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/bf12a2d4f9ab4a279653bccc9b5a2791/F6C200EE2782CD7A5F3511850D53EF83.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>是地球上最大的生态系统。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/16f2985893174e138b452fa81892b3ad/18624ADC60AEEDE3EF1363AB3EBAEFE3.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a201f434c7e54777b48bc929aa57d7fb/5575543AAA748F15843F176C3342DA1F.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>在草场上适度放牧,草场会由于牧草的不断生长而维持原状,这说明生态系统具有一定的 <br>能力。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/fd76e611d0904a539f887ee6baa4488f/F9FE6BF9FC15A03F992C31766566098D.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/8d369dc2cb4b4aa4a22a290a78fbbffd/DB0CE45C45DED014BFD59B11E7495FE6.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>人的神经系统由脑、脊髓和它们所发出的<br>组成。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/322b90294a39426b96dca6b3e68eea29/316C8DC905B059D79037C0B6F4D787B0.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2a8b823758aa404895744c2250fca4bd/709ECF61E8A0466379715B57035F9651.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>对于植物繁衍后代来说,花中最重要的结构是<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/249ba1d87ab94cf1a56160730f2ca1b2/0A5BE3A04E3528634114D98B6FBFAA2D.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c46cab1b65fe4693a96ccd152141979f/EB157AF699BF3D3AA029B737E05E3F92.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>一般来说,生物进化的总体趋势是由简单到复杂、由低等到高等、由<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5f3a9b147f69435e8a11ccfc2004ba09/66C72670C8104BD32F3A52BB217FCEE4.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/25126d6de48547f19126443d80155b8c/5F4EEC8705E9EA792146B2F5808B6C55.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>玉米果穗<br>常有缺粒的<br>,向日葵的籽粒常有空瘪的,主要是由于<br>不足引起的。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2012/60037266f4d545e2acf07cc08f567806/ECEDD14454E5230E8B585EBCB747C135.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2012/0622736abe4744ab90d8fef3e67815d2/8670CC7FCB3547DEBE8B7162D7436EF1.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>“碧玉妆成一树高,万条垂下绿丝绦”。万千枝条是由<br>发育成的。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/edf89dd8fc5044bea01d0faa0f045f67/455B7CC2766154BB8EB1EA0BABF48B19.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/15c74df8cb934fc2a5d9ba150f50dbc1/41440FE16CA6D936F97D5DC479535008.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>是蒸腾作用的“门户”,也是气体交换的“窗口”。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/585994cdcb0b4fb68808426c48e59509/EFCAEC7C4A04258CBDF024639014DDE0.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fcae364a9a664c86804bb99be48db2ea/EA2D8552097D3F2A2B7526C7BC4C1401.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>绿色植物通过光合作用,能不断消耗大气中的二氧化碳,又将氧气排放到大气中,这对维持生物圈中的<br>平衡起了重要作用。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/11978e2de9274330b5b456d8fd75b94c/8409929D18FFBA30562953BC7CFD50F1.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/0df73b9aa60343bd8f7b60fa8dfe6ed5/D0E2D3D56DF4A88FC8FD023FDC7C144C.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>结合尿的形成过程示意图,回答下列问题。<br><img<br>1.形成尿液的器官是。<br>2.尿的形成主要包括[①]和肾小囊内壁的过滤作用及肾小管的重吸收作用。<br>3.⑤与④相比较,⑤的血液中除氧含量减少外,等废物含量也明显减少。<br>4.某人尿液中出现大量葡萄糖,病变的部位可能是肾单位中的,(填标号)如果肾脏结构完好,功能正常,尿液中仍有大量葡萄糖,也可能是分泌不足。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/d0c0436a597d4b0096768bc5d58d766e/5B12D3F917BA8AF1425D1FF9857AA18D.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/54121ce5203c4526a3494ad10e4084d9/88F93B93D6F5A403E094C2151944E013.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>根据洋葱鳞片叶内表皮细胞临时装片实验,回答问题。<br>(1)制作洋葱鳞片叶内表皮细胞临时装片时,在洁净的载玻片中央滴一滴<br>(2)用显微镜观察时,转动粗准焦螺旋下降镜筒,眼睛一定要从侧面看着<br>,以免压碎<br>玻<br>片标本。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c8e2c852bb2942b3bde0bc8086e3dd40/7C8394C8930F50D17AB1BFA6849460FE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/1a731a7a609c4588857563a17914a000/CFC9793AD1F0314DAE03D6FBB39D8829.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>如图模拟的是呼吸时膈肌运动情况,回答问题。<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/7/11/5171D4351D8D6B3111C732D61CCB0D61.png"><br>1.图乙表示过程。(填“吸气”或“呼气”)<br>2.图甲中④代表的结构所处状态是。(填“收缩”或“舒张”)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f5b82912ba4f43d7961d078f0c713d04/0ACDBE17AAC57B08F86D306255D908BE.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/ad3215b3756941869848cb588a18bbcb/70112263E4FE1D69565D6B38311F1C6D.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>根据“光对鼠妇分布的影响”探究实验,回答问题。<br>(1)为鼠<br>妇提供<br>阴暗和明亮两种环境条件,此实验的变量是<br>(2)实验结束后,你如何处理鼠妇?<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ea4e32dc4803448684421c0cc939aa8a/96B57429FD34A2AFA9B75319D02392D5.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/8d056f2ee5994397a04c8e3eaba07d4d/EEE475E3468FBA7CC0471A586E741F04.png"><br><br>※题型：探究题※知识点：探究题※试题难度：中等<br>为探究“酸雨对种子发芽率的影响”,生物兴趣小组同学设计了如下实验:<br>实验材料:<br>粒绿豆种子、<br>张餐巾纸、醋、清水、<br>pH<br>试纸、培养皿、标签纸、记号笔。<br>实验步骤:<br>①取两个培养皿,各放入<br>张餐巾纸,并撒上<br>粒绿豆种子,标记为甲、乙;<br>②向甲中喷洒模拟酸雨,向乙中喷洒等量清水,使<br>纸变得<br>潮湿;<br>③将甲、乙两组种子放在适宜的环境条件下培养一段时间;<br>④甲、乙两组种子发芽率如下表:<br><tbody><br>组别<br>甲组<br>乙组<br>种子发芽率<br>15%<br>90%<br></tbody><br>1.根据上述实验结果,得出的结论是。<br>2.实验步骤③中环境条件是指为种子萌发提供适宜的温度,充足的。为了控制单一变量,所选用的种子数量及生理状态等条件都应该。<br>3.为了减少实验误差,避免偶然性,此实验还应设置重复组,取值。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b400d48d2d2d42a59a2b0087d07c4011/817E7A4DA6705FACECC2C7679824E406.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/79ee0e52cbdc4c1c9ac822dde14d774e/740276FCFB3BF2BF4D8F9BC5E704BA19.png"><br><br>
页:
[1]