admins 发表于 2021-8-18 22:32:33

湖北省宜昌市2019-2020学年七年级上学期期中考试生物试卷

※题型：单选题※知识点：单选题※试题难度：较易<br>下列属于生物的是(&nbsp;)<br>A.珊瑚&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.珊瑚虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.珊瑚礁&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.机器人<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5ec88fd164774b3baf2127936798b716/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：容易<br>把鼠妇置于避光、湿度分布不均的环境中,观察鼠妇的分布情况。这主要研究哪种生态因素影响鼠妇的分布(&nbsp;&nbsp;)<br>A.光&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.水&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.温度&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.空气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/f43143d2c7574959b1e3d74de6fa4175/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/50c9a85a4a574c21b32f4820088188c0/2C72CA7AA858E371ED76B68D8CA855EB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在设计探究实验时,下列不能作为一组对照实验的是(&nbsp;&nbsp;)<br>A.有光干燥、无光湿润<br>B.有光湿润、无光干燥<br>C.有光湿润、无光湿润<br>D.有光有空气、无光无空气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/07763b1a93b6413fa44dc60cd2c372f1/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e81487451153453bafe123b9c964c93b/759C5DC6DE7B5992575A7067BAFD15E4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>“野火烧不尽,春风吹又生”,说明生物所具有的特征是(&nbsp;&nbsp;&nbsp;)<br>A.遗传和变异&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.对外界刺激作出反应<br>C.生活需要营养&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.生长和繁殖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/25299342da644a558fa3176a31074513/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/3b31feb88c464ed18c37148a3b68d080/5A41E08D93B3B2875AF63AF60B65FF67.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在谚语中有很多与生物学有关系,下列谚语中能够说明“生物影响环境”的是(&nbsp;&nbsp;)<br>A.千里之堤,溃于蚁穴&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.种瓜得瓜,种豆得豆<br>C.螳螂捕蝉,黄雀在后&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.风声鹤唳,草木皆兵<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4b4c6e089a914c9689b8615732e71cd0/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/78d2f2a54c0845f8b5e783e7feb186aa/6CB53030ED664344BEC5F05AB3A567A8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列生物按照生活环境不同划分的一组是(&nbsp;&nbsp;)<br>A.猫头鹰和老鼠&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.鱼和河水<br>C.空气和阳光&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;&nbsp;D.狗和水草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5b58fe4297ad4a348a023f86dc5f812f/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/0db943b277bd4b60b2c1e2584c41586e/1607C1456051BC7BAA4093A2E674DDA4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列表示食物链,正确的是(&nbsp;&nbsp;)<br>A.阳光→草→牛→虎&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.鼠→蛇→鹰<br>C.植物→食草昆虫→牛→细菌&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.草→兔<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/47fe56ab32c2460ab3d53dbe3ccc5326/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/003eb0f446e742f2bd1a96bec0c978c1/1D30B9D47484971E38BF91EF87709621.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>两种具有相同生活习性的生物生活在一起时,他们之间最可能出现的现象是(&nbsp;&nbsp;)<br>A.捕食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.寄生&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.共生&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.竞争<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4ef0697efe804dee95fb1dc5414c2aba/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3d6d9a42982b464998fa5fb5aeff0883/12F97AFC0E0C9DC5F8E7E0EFA36D1944.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列不属于生态系统的是(&nbsp;&nbsp;&nbsp;&nbsp;)<br>A.一个池塘&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.一块草地<br>C.生物圈&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.森林里所有的树<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2010/3beb5314d5f84651b61b32c9bb841802/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2010/a7532f42f7a045bd8630ec57dc73c002/3778FBE4C751669202B42C5B6FFC81EC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>地球上生物所需的能量最初来源于(&nbsp;&nbsp;&nbsp;)<br>A.太阳&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.绿色植物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.食物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.有机物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/bb2fa9cb741f4ad1b668744e12dac60b/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b9e3a35fb4754f4f9d8eacdfefd920b6/D3DC8A5DA15789C1D533466B7BA1F213.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>松林防治松毛虫时,可采用招引灰喜鹊成群前来的方法。这是利用了灰喜鹊与松毛虫之间存在的什么关系(&nbsp;&nbsp;)<br>A.竞争&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.捕食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.合作&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.寄生<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0b042aa0babc41e4aee6a9e4c6f2cea3/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/78c69875f6b344d9ad333aeadf0544ed/6ADA0F75D78ACAF6854EF5CC9D730FA5.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。”从生态学角度分析,在落叶化作“春泥”的过程中,起决定作用的是(&nbsp;&nbsp;)<br>A.生产者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.消费者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.分解者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.阳光<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/03cece9bcd9d48f28369c41c3f83e28d/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ff88d11075c849ef89468aaef7be29fb/37A046E332E03C2C6466DD94C20FA614.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用显微镜观察时,如果调换目镜和移动玻片标本,都不能将视野中的污点移走,则可以判定污点在(&nbsp;&nbsp;)<br>A.目镜上&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.玻片标本上&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.物镜上&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.反光镜上<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/bf32647d0c2741cba4d5bc96cc447bc6/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/24a9e553aa3b4dc48b480d53025f6165/BEDFCDFBBA19F3F298BA0B4F05B1B7C3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列哪一生态系统被誉为“绿色水库”(&nbsp;&nbsp;)<br>A.湿地生态系统&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.草原生态系统<br>C.森林生态系统&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.湖泊生态系统<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/664f753d8e1443c89ee7dd3d17b19432/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/793500d972704dbb94a337f91bd55a91/7321751F9750A69E9AF555160BE5FF09.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>将字母“d”放在低倍镜下观察,视野中看到的像是(&nbsp;&nbsp;)<br>A.d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.q&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.p&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.b<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/e5d9a914cb684de49e80a1679b9750c2/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/20fc7ba1c7974f81ab81ea75b034e358/DE32A22A75F4801003D18262502370CF.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>夏天饮用一杯冰镇西瓜汁会非常爽口,从细胞的角度来看,西瓜汁主要来源于(&nbsp;&nbsp;)<br>A.细胞质&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.细胞核&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.叶绿体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.液泡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8cac88b456f048e58ce76ab27cd1290d/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/131520b3135d4cab89c2fd3905e9f76c/771AB73492D7BFC1F139820A710E8DB1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>用显微镜观察洋葱鳞片叶内表皮细胞临时装片,最不容易被观察到的结构是(&nbsp;&nbsp;)<br>A.叶绿体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.细胞核&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.线粒体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.细胞膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/acd60690ba5a4f7aa5048789bb74cbbe/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/55925c1091a442a2bf6ca1b27e7cc35e/9EA09E573BF49E1E1D710B9F39FBF431.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列组合中观察到细胞数目最多的是(&nbsp;&nbsp;)<br>A.目镜5×,物镜10×&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.目镜10×,物镜10×<br>C.目镜10×,物镜40×&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.目镜5×,物镜40×<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9bdb0972f9304a32ad89a958ff1c11cc/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b850a8162e1c4166811f37067785eb6c/5C7E73AB2684B092B4FC5DA57D57FDDB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>用显微镜观察临时装片时,由低倍镜到高倍镜,视野亮度和细胞数目变化是(&nbsp;&nbsp;)<br>A.变亮,增多&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.变暗,减少&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.变亮,减少&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.变暗,增多<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d4d6953e813b4cc186fd072b53796d85/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f67fc130a7e941c28d77e3a162f6861d/A23B5E9013D4162F394F103D72F3C735.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>当我们严重感冒时,就需要输入葡萄糖,那么输入的葡萄糖中存储能量在细胞的什么结构中被释放出来(&nbsp;&nbsp;)<br>A.细胞核&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.叶绿体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.线粒体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.液泡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e4eef69e39944b3a82a6ff9bb783a6b9/D7C9A679F3C72D4F1064B7D0A0FD4AD8.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>下列结构属于植物体中有而动物体中没有的能量转换器是(&nbsp;&nbsp;)<br>A.细胞核&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.叶绿体<br>C.线粒体&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.线粒体和叶绿体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/187f3150a64a4aa38557c6123bf22a10/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/fa47731604ab4e5db5d5186fed9d081d/114F1F1760AB7E20CFAEBDA71F2CDB63.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>从细胞结构来看,“种瓜得瓜,种豆得豆”这种现象主要取决于(&nbsp;&nbsp;)<br>A.细胞核&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.细胞膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.线粒体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.细胞质<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/18c4df9c90f04dab9f13e3b000d2b7cf/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f5394f3b92ba4767b5e4a8d3d3227072/2E8D8FDA635DD46A777286A6D157E45C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>克隆羊多利长得非常像(&nbsp;&nbsp;)<br>A.供细胞核的母羊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.供无核卵细胞的母羊<br>C.代孕的母羊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.A,B,C三种羊的一部分<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0bad16b7105e4573ab03338611f133e0/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/37b6911efc4e4f628b02faa189e13a86/71B5D3F043AF6C4BE2BC065C6B640AB4.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>有“地球之肾”之称的生态系统是_______,有“地球之肺”之称的生态系统是_______。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1f075a67d1274157a0c01edf5c2e5d16/FC49B3E86B837B28FE0D3B84B7126E06.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d4892accb7224fedbf1243b3161510fa/2FC39CC74628D29689AFE4D0B4FEF258.png"><br><br>※题型：填空题※知识点：填空题※试题难度：容易<br>细胞的生活是_____、______和信息变化的统一。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/a96bf6fa1ca14454bf1a34e921d553e5/68C02AECF2145421072F600885A914AD.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/412bb5560cf949d0bfa2710928647a8a/88C58E9F315509555CB3D6AE2DEAAEB1.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>制作人的口腔上皮细胞临时装片时,在载玻片上滴的是_____,目的是为了维持细胞的正常形态。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6b5384d7b12647178f4a35cff9e4703c/01A1C65EDA0DC0110270CDAF0691AD33.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：较易<br>生物圈的范围包括______、_______和_______。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/2846398b09274e0a9250a504359e587d/37AE9AF992E30D82D8C123FD496274CC.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/95f620ef8a44425081ecda95a46800b0/89A3AE67D78A63E4CDABAC0D95114232.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>在显微镜观察生物细胞时,看到较清晰的像之后,再用_______进行调节,使看到的像更清晰。画图时,要用_______表示较暗的地方。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3ea49adc5a0e48df8beedc501938a432/BEFBD2AF95E7ACACFF776A4A85969800.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/58b086ab23794135a5c83f96b5066b49/D3DAFB30878F6CF7DE23AC885D70BE85.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>下图是某生态系统的食物网,请根据图回答:<img <br>1.该食物网中共有______条食物链。其中最长的一条是_____________。<br>2.该食物网中,数量最多的生物是_______,数量最少的是__________。<br>3.如果大量捕猎狐,那么鹰的数量在短期内会________,草的总量会________。一段时间过后,生态系统又会恢复,是因为生态系统具有一定的_______能力。<br>4.如果这个生态系统被有毒物质污染了,最后体内有毒物质最多的生物是_________。理由是_________________________________________________。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/59e97eacbced4653bdd6151b151ce7cc/5911B913D1CD36FE97604884702C1223.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/772b7c75525a4785bd6991322b21e9c1/FCC169D5C5585F49DCB9C1898D0F527A.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>下图示表示的是细胞的结构示意图,请根据图回答。<img <br>1.此图是(填植物或动物)细胞,作出判断的依据是此细胞具有液泡和等结构。<br>2.结构A是细胞壁,它对细胞起到了________和________的作用。<br>3.结构B是_________,它能控制_______的进出。<br>4.结构C的名称是_______,它是细胞中最重要的结构,对细胞的生命活动起着控制作用。<br>5.结构E的名称是_______,它能利用太阳能把水和二氧化碳等合成_________。<br>6.结构F的名称是_______,此结构的细胞液中溶解着多种物质。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/994b7e9b22044f1bb22353c64d0c144b/29482D06206D786FEFCCB44B22AB2CEC.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>探究“光对鼠妇生活是否有影响”时:<br>1.科学探究的一般过程是提出问题→_______→制定计划→实施计划→_______→表达与交流。<br>2.作出的假设是光对鼠妇有影响。<br>3.该实验中的变量是______,在设计实验时,要给鼠妇提供有光和_______两种环境,以便对照。<br>4.每个实验装置中放入10只鼠妇,这样做的目的是_____________;每分种统计一次明亮和阴暗土壤中的鼠妇数目,统计10次,计算10次统计数的_______值,这样做的目的又是_______________。<br>5.根据本实验的结果,得出的结论是__________________。<br>6.实验结束后,应该将鼠妇___________________。<br>7.如果“探究湿度对鼠妇生活的影响”,则实验中的变量是________。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/280f542ca6fe44dda0296e48b24a4cfb/938A51A8F42B877C6456556E96C1AEDA.png"><br>解析<br>略<br>
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