2020-2021学年生物苏教版八年级下册随堂检测（3）昆虫的生殖与发育
※题型：单选题※知识点：单选题※试题难度：中等<br>科技人员助力“精准扶贫”,指导农户养殖彩色桑蚕。蚕大量食用桑叶的阶段是( )<br>A.卵 B.幼虫 C.蛹 D.成虫<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c0561f1fd0b04014baae81164f444cd3/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/dd56303c370c4fde882587d4e11eeb72/91BDCE7E8C275DCC79ECBDA2BE79A791.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>2019年4~5月,红海沿岸多国暴发大面积蝗灾。如图表示蝗虫的个体发育过程,其发育属于( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/15/D40104C7B0F73B99155788A0ADEB8C3A.png"><br>A.不完全变态发育 B.完全变态发育<br>C.胚胎发育 D.胚后发育<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/21eb058fd6384bb68565b9d4517ea6c4/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7c205daeae2342179c1fb3b3a128d303/6A66CC0101CC5D7F7A666D13F9F21BB0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图表示某种昆虫的不同发育时期的形态。下列有关昆虫发育的叙述中,正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/30/3C26CEA4F692904E62F69F350D599F23.png"><br>A.蝗虫的发育过程不经历②所处的时期<br>B.家蚕的发育顺序为①—③—②—④<br>C.蝴蝶的发育过程有蜕皮现象<br>D.危害蔬菜的昆虫大多处于④所处时期<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/498d977a117a49239b56b0266a2dc661/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fdd3073a9d564044b8b7c6782636f7e1/86F1997E7337C459CD039B3B117446F0.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：较易<br>如图为家蚕的发育过程示意图,请据图回答下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/1/15/333CAAA7E323D4066EFF4376149A25B8.png"><br>1.从整个发育过程来看.家蚕的个体发育过程属于发育。2.家蚕一生需要蜕皮4次其蜕去的“皮”实际上是。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/32d6a458c5244390b87fb193ec83a61f/3FDC8CE018AFC5339696E3DFD50E1997.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d415b20e98b6428a979fc7805af6dab2/B54B4B5C7E67062C9CD371016146BC84.png"><br><br>
页:
[1]