admins 发表于 2021-8-18 22:41:28

2020-2021学年生物苏教版八年级下册随堂检测(1)生物的无性生殖

※题型:单选题※知识点:单选题※试题难度:中等<br>下列对无性生殖的描述,错误的是(&nbsp;&nbsp;&nbsp;)<br>A.亲代都不能产生生殖细胞<br>B.不经过两性生殖细胞的结合<br>C.新个体是由母体直接产生的<br>D.子代能保持母体的遗传特性<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0728f22155514e429b8e41d99d460d87/E7F0EDF83F40244C8F0C84B97471AED6.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>下列哪项不属于无性生殖(&nbsp;)<br>A.播种水稻繁殖新个体<br>B.用秋海棠的叶繁殖新个体<br>C.水螅出芽生殖繁殖新个体<br>D.用马铃薯块茎繁殖新个体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/05a1df6ff0df49b7b3c629d76c7e01d2/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2f4ed5e3330e4a1f86328bdfa68f2db2/8BB26CF8DEB99DA6010A85CF0B624BAC.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>用栽种蒜瓣的方法来繁殖大蒜,属于(&nbsp;)<br>A.出芽生殖&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.营养生殖&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.分根生殖&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.分裂生殖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b8a82ef5114f4d2aa33605dcc27ea4a7/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f2692de10cd94b60a811ba03a8132091/CFA04D9B4C0CC46BC8280403F4306762.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>用红富士苹果的枝条做接穗,野生苹果树做砧木进行嫁接,嫁接的枝条上所结的果实是(&nbsp;)<br>A.红富士苹果&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.野生苹果<br>C.国光苹果&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.既有红富士苹果,又有野生苹果<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5ec8102d6e9048c2a64704b8bddbbb05/E7F0EDF83F40244C8F0C84B97471AED6.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>看图操作步骤示意图,分析回答<img 1.图中操作步骤是在生产实践中常见的方式,属于生殖。<br>2.①称为&nbsp;,②称为&nbsp;。①与②结合时应当使①与②的紧密结合,以确保①的成活。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4f5bd911a48046d1b2afbab8c787c77d/EF62C84E2BE3714CD7351689B16BE27F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2746a79a91fc4ed5a544cdf35248b1e2/01343E048DAA9175CD15ACD760EDE3D1.png"><br><br>
页: [1]
查看完整版本: 2020-2021学年生物苏教版八年级下册随堂检测(1)生物的无性生殖