admins 发表于 2021-8-18 22:50:14

6.16.2人体对信息的感知第1课时—2021-2022学年生物苏科版八年级上册同步作业

※题型:单选题※知识点:单选题※试题难度:中等<br>通常所说的“白眼球”是指(&nbsp;)<br>A.角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.巩膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.虹膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.脉络膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/80e1bef126a24320a5bfdbb14b16a064/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/ac16440eb5294143a90c7c81ed0c596b/87E4F518286187BD135680270F272277.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>对眼球有营养作用,并使眼球内成为“暗室”的结构是(&nbsp;)<br>A.角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.巩膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.脉络膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.视网膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2015/c74106edf4e341bea8a078b15e7ecc77/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2015/27d5dbd3424f46d39875d2514255a103/532BB7D0B19F25FB823F103BFF0B8D6B.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>同桌的两位同学互相对视,看不到的结构是(&nbsp;&nbsp;)<br>A.虹膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.巩膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.视网膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.眼睑<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/64681d823ecd48efbfebe5f3adc741aa/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b79f8dcc1da443c490a45864e35ed4d7/6FE795C0331BFDB5D12B8632BA8FE241.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>人眼的“白眼珠”和“黑眼珠”实际上分别是指(&nbsp;&nbsp;)<br>A.虹膜和角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.角膜和巩膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.角膜和虹膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.巩膜和虹膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/493167afa83b4ac2b32a9a61c3f76e7e/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/4c965c46c9834329bc982085e37a2991/96F9E3CE82D6571705632A92A0454773.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>当你刚走出电影院时,你的瞳孔的变化是(&nbsp;&nbsp;&nbsp;)<br>A.由大变小&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.由小变大&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.保持不变&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.无法断定<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/5EB37C218D6D19EB98E791A4205997A8.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/5F3F52A1ACA9CAA5E87256AD5CBFA756.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>矿难中长时间处于黑暗中的矿工被救助上井后,通常被蒙上眼睛以保护视网膜免受强光的伤害。正常情况下控制进入眼球光线多少的是()<br>A.角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.晶状体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.玻璃体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.瞳孔<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/08C1D780FB7DEFF3BE7368B99B651CC0.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>装有胶卷的照相机和眼球有很多相似之处,下面各组照相机和眼球对应的结构,功能不相似的是(&nbsp;&nbsp;)<br>A.闪光灯和角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.胶卷和视网膜<br>C.光圈和瞳孔&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.镜头和晶状体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/afef540a1f1146f0a691c52e3f8d2603/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/6ca28c6dd6064f048659855f83399f96/6F2DFCEA425DECA421A1E2DA9B1D4829.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>曾有报道:一个少女在国庆长假期间,连续玩了8个小时的手机,结果眼睛失明了。如果检查结果是眼球中的某个结构受损,导致无法感光,那么该结构可能是(&nbsp;&nbsp;&nbsp;)<br>A.角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.晶状体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.视网膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.视神经<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9579f69f48be42388ca2fcacd89d7eae/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/97952fd6a7134437823e3d9598596832/F9EF6A5AEFD7165AA326996DCA98D22E.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>黄阿姨失明了,经检查她的眼球结构正常,她失明的原因可能是(&nbsp;&nbsp;&nbsp;)<br>A.角膜损伤&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.晶状体异常<br>C.视网膜充血&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.视觉中枢受损<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/689b383af3d645b699d558b8bf276e1b/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/705f9a936eff4da5af596cf1ea176639/021D66EEC8762AB6560FAA495D9DD8F1.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>沉迷于网络或电子游戏不但会影响学业,而且因长时间近距离注视屏幕会导致眼中某结构凸度增大且不能恢复原状而形成近视眼。这一结构是(&nbsp;&nbsp;&nbsp;)<br>A.角膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.虹膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.晶状体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.睫状体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9538197a43324aad80f60c7b6d85a584/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6a96298063bb4812a8e98cdf659e0de1/84C26EE0FCCF949B54E54D8291DA9DB1.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列关于人眼球结构和功能的叙述中,错误的是(&nbsp;&nbsp;)<br>A.角膜在最外层的前方,有感光作用<br>B.虹膜中间的圆孔为瞳孔<br>C.晶状体透明有弹性,位于虹膜的后方<br>D.内层的视网膜有感光作用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c5fefeedf2704af69a6a9dd040070ad8/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/243706a6be5f42668664a465b932b36b/20BCBF189CA35639F32DC614C4C21501.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>目前,中学生患近视的人数越来越多。预防近视、珍爱双眼,就需注意用眼卫生、了解眼球结构和视觉的形成。下面是甲、乙、丙、丁四位同学学习了眼的相关知识后各自的观点,请选出正确的一项(&nbsp;&nbsp;&nbsp;)<br>A.甲同学认为脉络膜颜色较深,能调节瞳孔的大小<br>B.乙同学认为视网膜上有感光细胞,能形成物像<br>C.丙同学认为巩膜无色、透明,能支持、保护眼球<br>D.丁同学认为虹膜内含较多平滑肌,能调节晶状体的曲度<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4f34daa7dfe14d889782351d0379600f/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/282b736b4b20437ba9045ee74fb88a01/51A09D29CE40383BB4A618238BD74CA3.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>观察下面眼球的结构示意图,下列叙述中错误的是()&nbsp;<br><img src="https://picture1.zhihuicn.com/2/AB3124DABE4C199DE3370C702FF8103D.png"><br>style="VERTICAL-ALIGN:middle">A.当人从明处到暗处时,图中的③会扩大<br>B.图中④的曲度是由⑩中的平滑肌调节的<br>C.图中结构⑤、⑥、⑦、⑧共同组成眼球的中膜<br>D.图中结构⑧能感受光线刺激并产生神经冲动<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/514A8741885A21283B1BFE930F1C27F0.png"><br><br>※题型:连线题※知识点:连线题※试题难度:中等<br>请将①~④人眼球的四种结构与A~D项主要作用对应起来。&nbsp;①瞳孔&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A.感受光的刺激,获取图像信息②晶状体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.支撑眼球壁,折射光线③视网膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.光线进入眼球的通道④玻璃体&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.像双凸透镜,能折射进入眼球的光线<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/0b5410cb941d42f99b69c9a9b98dbd47/ACBF530FB900A688E813366A29887B46.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/ee2a5729bfaf41d5a4c837dfdb16d3af/AAF8014957B048C11D6CDC82B7209A53.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<br>图是人的眼球结构示意图。请据图回答问题。<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/4/22/8B8267A79BE1ED5409CAE6F7446A995D.png"><br>1.人能看清远近不同的物体,是因为[④]的曲度可以调节。<br>2.刚从电影院出来,③瞳孔将会(填“变大”或“缩小”)。<br>3.只有物像落在[⑧]时,才能看清物体。<br>4.[⑤]病变或者受到损伤,可通过移植使病人重新获得光明。<br>5.不同人种,[②]的颜色不同。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b940d5673c3444fdbd9b361916a2ad8a/58668C78BA98C284AF7A9A2231BDE599.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/f006d095ffe5414d8d8622a18453486d/C0D6C0340BCFA8366C4FD27DFE602FCD.png"><br><br>
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