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2019-2020学年人教版生物七年级上册随堂训练第二单元生物体的结构层次第二章细胞怎样

※题型:单选题※知识点:单选题※试题难度:较易<br>下列生物中属于单细胞生物的是(&nbsp;&nbsp;&nbsp;)<br>A.灰喜鹊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.平菇&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.草履虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.月季<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/79d8931d06d2418abb58c4c68eb29072/06CA09E70C17EF8BA2D3B8C70D693953.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>草履虫的呼吸结构是(&nbsp;&nbsp;&nbsp;)<br>A.表膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.纤毛&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.口沟&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.伸缩泡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/338bc9f1e2fc4715b5c8cc7dbaa33bd5/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/e5809eb5d54f41a29bc3348e431a311c/CA1FFD76F210A5550BCE457BF936F03E.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>草履虫的表膜不具有的功能是(&nbsp;&nbsp;&nbsp;)<br>A.保护&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.呼吸&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.消化&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.排泄<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/F3FFF02E67737AECAA5F9376DCA7D618.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/2A4B0E6583634E3A2B88100703C47AD6.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>在草履虫的身体里,不可能存在的是(&nbsp;&nbsp;&nbsp;)<br>A.细胞壁&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.细胞膜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.细胞质&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.细胞核<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/768FA5DCDB6C52BC05F7E4A37C96E407.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>草履虫的结构和功能对应错误的是(&nbsp;&nbsp;)<br>A.纤毛--运动&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.表膜--呼吸<br>C.伸缩泡--摄食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.排出食物残渣--胞肛<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/C40C3831F5213946D958587A0D8A36E6.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下列对草履虫、眼虫和酵母菌的有关叙述正确的是(&nbsp;&nbsp;&nbsp;)<br>A.细胞中都有细胞壁&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.都能独立完成生殖<br>C.它们都是原核生物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.细胞中都有叶绿体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/e53f085dd26941e495665613b92da553/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/21b28da64acf44de9eec68828bbfef47/DB78926B5087031AE86867318021A1B7.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>用显微镜观察草履虫时,一般要在载玻片上的培养液的液滴上放几丝棉花纤维,这是为了(&nbsp;&nbsp;&nbsp;)<br>A.防止草履虫运动过快,不便观察<br>B.便于观察草履虫的运动方式<br>C.便于观察草履虫的消化过程<br>D.保护草履虫<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/526C59CD3AB3FFD21145B7D215CAA6EA.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>第一位获得诺贝尔科学奖项的中国科学家屠呦呦发现青蒿素能治疗因疟原虫引起的疟疾,以下与疟原虫结构最相似的是(&nbsp;&nbsp;&nbsp;)<br>A.七星瓢虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.人蛔虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.珊瑚虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.草履虫<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/367eeb63d33641e48a73053f70267673/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/e26f9f4948dd497bbf6f90e75b347b19/E29860D03303276106C88B1475AC88F6.png"><br><br>※题型:探究题※知识点:探究题※试题难度:中等<br>下图是草履虫应激反应图,请根据图回答。<br><img src="https://picture1.zhihuicn.com/2/C939473ED78762C0622D7DDEC2FE9020.png"><br>style="VERTICAL-ALIGN:middle">1.图中甲,草履虫的运动方向是(向左或向右)2.图中乙,草履虫的运动方向是(向左或向右)3.出现不同现象的原因是:甲:食盐对于草履虫来说是的刺激(有利或不利)乙:肉汁对于草履虫来说是的刺激(有利或不利)结论是:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/CE137B87E1FCD5AE498E7B3184F808FA.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/F7D5F3557D42212DFE99883AB01A6B1D.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>下图是草履虫的结构示意图。请据图完成下列问题。<img src="https://picture2.zhihuicn.com/testImage/2/2017/3/10/95BC99C6D7A147CCC1BA4EBA62817D16.png"><br>1.草履虫靠摆动在水中旋转前进。<br>2.不能消化的食物残渣,从排出。<br>3.和把体内多余的水分和废物收集起来,排出体外。<br>4.细菌和微小的浮游植物等食物由进入体内。<br>5.食物泡随着流动,其中的食物逐渐被消化。<br>6.的功能是摄入氧气,排出二氧化碳。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2017/59572b5bb7c34b37b3a1782cb37e640c/DE95BE31A91DBFE9A5FAD32D16EA30B1.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2017/11186f99982f450c9cb3a9a98ed67ee7/ACD96716DCFC7AAE34C450F97D92E72A.png"><br><br>
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