2020-2021学年生物北师大版八年级下册随堂检测(17)现代生物技术
※题型:单选题※知识点:单选题※试题难度:较易<br>转基因技术把一个生物的基因转移到另一个生物体的哪种结构或物质中( )<br>A.RNA B.DNA C.细胞质 D.细胞核<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/532aeed6c2274b71b34a627d39f122d9/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/74b3ca07d2174c5bbf487a6856ad184b/903F01B03DDD1F7C665201F705336454.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>中国科学家将美洲拟鲽的抗冻蛋白基因导入普通番茄,培育出抗寒番茄。该技术是( )<br>A.杂交 B.组织培养 C.转基因 D.发酵<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e00e799d05a74f28b436c0873ade7abf/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d99d410acc14435c91f9eee382f63b12/D833C14D5D967C37AF493412FDCA0493.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>“多莉小羊,没爹有娘”,多莉的诞生运用的生物技术是( )<br>A.杂交育种 B.克隆技术<br>C.转基因技术 D.组织培养技术<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ea574d94c4f84b2fa47e72f6e2974cdb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2af5004106f14f81ada661142cb437e8/1BB6F1886DFF3A4B0C53C49897221831.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>如图为克隆羊“多莉”的诞生过程,据图判断“多莉”的遗传特征( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/14/DCFDD31C4B98A5784834A729979BADD6.png"><br>A.最像A羊 B.最像B羊<br>C.最像C羊 D.完全与B羊相同<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/30e4f9fa112445aabc03230936737cd2/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7b04ca6946f6498599395e0032b6fd31/ED6239AE785818E9F092D0586612D36D.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>克隆羊多利长得像( )<br>A.供细胞核的母羊 B.供无核卵细胞的母羊<br>C.代孕母羊 D.ABC三羊中的一部分<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c83de59cca44429d8ca52e0151851d4e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a8cfb4b2cf014f998f17d70f7786c2a8/D7FA874289DA4A55E3ED53188F808F49.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列关于克隆的说法不正确的是( )<br>A.克隆就是不经过受精过程而获得新个体的方法<br>B.克隆带来的好处很多,因此我们应该大力提倡克隆一切可以克隆的东西<br>C.利用人体细胞克隆器官,可以消除人体器官移植中的排异反应<br>D.克隆技术在社会生活的各个方面都有广阔的应用前景<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/d83194b3d6bc493fb3b87c7fa9cdaf44/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/1b7c9121cad543729478b731a63b8aea/CC7F41E4873F355B870527D7DC354C40.png"><br><br>※题型:填空题※知识点:填空题※试题难度:中等<br>2018<br>年<br>月<br>日,袁隆平“海水稻”团队试种的海水稻成熟,产量超出世界水稻平均亩产量。海水稻适宜在盐碱地大规模种植,不需施用肥料、农药,不需除草,稻米颜色呈胭脂红。<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/6/19/49FB379F3EBE1A230B55047B1F822AF3.png"><br>1.海水稻稻米颜色呈胭脂红,这一性状是由决定的。<br>2.大力发展海水稻种植的好处有(填字母)。A.有利于缓解粮食危机B.减少农药用量,有利于环境保护C.解决了所有农作物在盐碱地种植的问题<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5758acbcfcc14c99ac7a4da317ff5f60/4D1CDDCDAD437FEA092A0E866D3B79D8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3c1fe4e375ae4cd2807d1311c9b18d1e/CE6CE9FAD47AAECE747F579138262FD5.png"><br><br>
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