2020-2021学年八年级下册生物冀少版同步课时作业（2）动物的生殖和发育
※题型：单选题※知识点：单选题※试题难度：较易<br>桑蚕全身都是宝——蚕粉可用来治疗糖尿病,蚕蜕皮是手术线的原料,蚕蛹虫草可作为冬虫夏草的替代品。如图是家蚕生殖和发育不同阶段的形态图,下列有关家蚕发育类型及发育顺序的叙述,正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/9/4/84E69DA3F8E0D44D13485D6B36F320D1.png"><br>A.完全变态 ②③①④<br>B.不完全变态 ②③①④<br>C.完全变态 ②①③④<br>D.不完全变态 ②①③④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5c3c4443d4114523bed498a06813bfc0/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/52838be3924849619a98679dd940800c/9797578FA00A7FAB1ACCDBE707CC8995.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>蝗虫的发育过程要经过的时期依次是( )<br>A.受精卵<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>若虫<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>成虫<br>B.受精卵<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>蛹<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>幼虫<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>成虫<br>C.受精卵<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>蛹<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>成虫<br>D.受精卵<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>幼虫<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>蛹<img src="https://picture2.zhihuicn.com/testImage/2/2020/10/30/F70A7A8EBF12F38631C3C809218C48B2.png"><br>成虫<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/60c90cdf806e4668ab82c7d53973bbab/E7F0EDF83F40244C8F0C84B97471AED6.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>如图是昆虫两种变态发育全过程中各时期的示意图。图中①为卵期。下列说法正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/15/7BBFA6804D1A02A21D3885026B5B78FD.jpeg"><br>A.②为蛹期,③为幼虫期<br>B.为提高蚕丝产量,应延长②时期<br>C.蜜蜂的完全变态过程是①→②→④<br>D.蝗虫的不完全变态过程是①→②→③→④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/35616b96ba084b5e859c6439ac72758d/76900E09FAB5EBA344B8EA84E844FF07.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>家蚕和青蛙的个体发育方式都属于变态发育。下列属于它们变态发育的共同点是( )<br>A.发育都在水中进行 B.发育过程都为完全变态<br>C.发育过程都有蛹期 D.幼体和成体都有很大差异<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0cfab66d588547819d6d13c21b66e47f/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fc28be7ebe174bf3b695fbcccecd1b4a/56055FFCDCD90F389F1590037481BCB5.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“黄梅时节家家雨,青草池塘处处蛙。”每年的春末夏初是青蛙的繁殖季节,也是池塘、河边最热闹的时候。下列关于青蛙的生殖和发育特点的说法,正确的是( )<br>A.体外受精、胎生、完全变态发育<br>B.体外受精、卵生、变态发育<br>C.体内受精、卵生、完全变态发育<br>D.体内受精、胎生、变态发育<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/4b6dcc9fb4bb435f9ff99b71efb3b600/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/af7e28f5eeb64539852dbfb487a5cb93/F8940AB8C7E0386E9BBF065042858BF8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>鸵鸟是现存鸟类中个体最大的。下列关于其生殖和发育特征的描述中,正确的是( )<br>A.卵生,有性生殖,非变态发育<br>B.卵生,无性生殖,非变态发育<br>C.胎生,有性生殖,变态发育<br>D.胎生,无性生殖,变态发育<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ebc3ccad03ba4c0ba2b03aad7e0a2e9d/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/097b424913fc44d0afe573c398c8cb23/1423F09AB6094C8028D58FE9DE4BE9F5.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图为鸡卵结构示意图,下列有关叙述正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/7/11/AD060874E6F75C5913656C6BCF62BA92.png"><br>A.具有保护作用的结构只有③<br>B.鸡卵的锐端和钝端都存在⑤<br>C.②上的白点①是鸡的受精卵<br>D.②和⑥都能为胚胎发育提供营养<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d05ffc3159324f199688a11b386635a5/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d227f21f2f084f4f9ba1abd350794e53/C8F61788509784A8B7792A91631E5309.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于动物生殖和发育的叙述错误的是( )<br>A.蚕吐丝作茧所处的时期是成虫期<br>B.昆虫和两栖动物都是变态发育<br>C.青蛙的生殖和幼体的发育过程都离不开水<br>D.蝗虫的一生经历了卵、幼虫、成虫三个时期<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/19504a5874994ad6a1a0266e678a03e2/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b8d4a33d8ca142ed9c06e709fd08c36b/2F035BC630304480B0083801445C7B0E.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>如图是与生殖发育有关的示意图,请分析回答下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/10/21/5BE3BDDF148D99537CA70E86DA049A48.png"><br>1.图甲是家蚕的发育过程,它的发育要依次经过几个阶段,而且幼虫与成虫的形态结构和差异很大,像这样的变态发育过程称为。<br>2.乙图所示结构反映了一种生殖方式,是(填“有性生殖”或“无性生殖”);在乙结构中,鸡卵进行胚胎发育所需的氧气是由[]提供的。<br>3.图丙所示为青蛙个体发育过程,它的起点是[],其幼体蝌蚪有尾,用呼吸,只能生活在水中;随着发育的进行,还形成了能与空气进行气体交换的,发育为能在陆地上生活的成蛙。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8c8a21f2fdd9456d9b88512e00588a22/4EAC75BEC15DCD5C39CFA4C109626C66.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/27c11de649c64aa09fd8d84499ad0d17/89D3F318B0A72D94BDED5ADBEF59AF90.png"><br><br>
页:
[1]