2020-2021学年生物冀少版七年级下册随堂检测（2）食物的消化
※题型：单选题※知识点：单选题※试题难度：较易<br>口腔中舌头和牙齿对食物的作用分别是( )<br>A.搅拌混合、嚼碎 B.分泌唾液、嚼碎<br>C.搅拌混合、撕碎 D.分泌唾液、撕碎<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/ebf142b4aaa04fc7b6e9e0f9dee4220f/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/87d60abbdfe241ee879643387fa6f500/F16DA61CA7603E9E6D9307BF074A7A8C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>每当你吃馒头时,你会发觉越觉越甜,是因为( )<br>A.口腔内产生了葡萄糖<br>B.口腔分泌的唾液有甜味<br>C.淀粉在口腔内被唾液分解成了麦芽糖<br>D.唾液在口腔内被淀粉分解成了葡萄糖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/1fa61529c21b4fc6a437bedb933e90c8/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c090a910d1824506a84cd833043a3fee/D30F4C3763EF8B4438C7285385EE352F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>以下结构属于人体消化道的是( )<br>①口腔<br>②唾液腺<br>③咽、食道<br>④小肠<br>⑤肝<br>⑥阑尾A.①②③ B.②④⑤ C.②⑤⑥ D.①③④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/03334d873882469cb3ce86b3afeb4ac1/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/16201c43af10451793feab3d54b0c567/30B91EFD8EBB6EFB2F339F4BA53FC749.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>人体内蛋白质初步消化的部位是( )<br>A.口腔 B.胃 C.小肠 D.大肠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4c25b7d49c664d62ae147ffd567f6a86/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/71ce7460e12743dca98230280b3cbcdf/B0F5138BFAAACA6C3AC6A950BE7AE5A6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在消化系统中,消化食物和吸收营养的主要器官是( )<br>A.口腔 B.胃 C.小肠 D.大肠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3b866be42aab40cc9d80ed870bdbd721/06CA09E70C17EF8BA2D3B8C70D693953.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>如图是消化系统局部示意图,下列有关说法正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/16/15846BE6103E8D7F8E508252EDAAADD4.png"><br>A.①能将淀粉分解成葡萄糖<br>B.②是消化的主要场所<br>C.③中含有多种消化液<br>D.④是最大的内分泌腺<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/769c9a1870774167869896e694f92fe3/06CA09E70C17EF8BA2D3B8C70D693953.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>如图所示消化系统的组成,据图回答([ ]内填图中序号,________上填文字)。<img 1.图中的消化腺有:[]、[]、[]。<br>2.消化和吸收的主要器官是[] 。<br>3.瘦肉的主要成分是蛋白质,最先对蛋白质进行初步消化的器官是[] 。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b6413ba51dd14fe4af4035ae9035bb10/978C02C941DC039763A5944C0C3B863A.png"><br>解析<br>略<br>
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