2020-2021学年七年级生物上册苏教版同步课时作业2.3.1植物细胞的结构与功能
※题型：单选题※知识点：单选题※试题难度：较易<br>制作洋葱表皮细胞临时装片的正确步骤是( )(1)在载玻片的中央滴一滴清水(2)用镊子夹起盖玻片,使它的一侧接触载玻片上的水滴再缓缓盖下(3)擦拭载玻片和盖玻片(4)在盖玻片的一侧滴碘液,用吸水纸在盖玻片的另一侧吸引(5)用镊子从洋葱鱗片叶内侧撕下薄膜浸入载玻片上的水滴中并展平A.(1)(2)(3)(4)(5) B.(3)(1)(5)(2)(4)<br>C.(1)(3)(5)(2)(4) D.(3)(1)(5)(4)(2)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5bff4336f5814912b2cd74af4f45c562/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2e4a2fbdfe4149fdbccc2551b15e6705/E3BE23BE9B0A7ADA421F9E2959F890B8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>制作洋葱表皮细胞的临时装片时不正确的是( )<br>A.撕取的洋葱内表皮要尽量的薄<br>B.撕取的洋葱内表皮要先展平再滴清水<br>C.盖盖玻片时一侧先接触液滴,然后缓缓放平<br>D.用稀碘液对洋葱表皮细胞进行染色,可以使观察到的细胞结构更清晰<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/71bea89939e04fabba4bf494bd9327d6/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/332ed1e32dcb4260a3f80592d7a46229/ED30AD9D6A59C607FD7403734D49D321.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某学习小组观察洋葱表皮细胞临时装片时,在视野中观察到如图所示的图像,小组讨论认为,可能时装片制作过程中某一步骤操作不当所致,最可能是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/A7995FD2156419BFD8E961024A8F4162.png"><br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/447DA8F91C02B2F7998EBE62016A92FB.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/3A9BD81B6C59408E5021C70E012E83CF.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/25EEB5D7AA13477B19890B9BB59C9DFB.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/15/40D433C8DB5509207B8CFC981C844B3A.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/2c4f0f542b1a4671be953c9f4203a35f/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/8393215bed4b41c9a5a12197502b6946/C270B32945041019C9A318EAA6B9B852.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图为某同学在制作并观察植物细胞临时玻片标本实验中,观察到的洋葱鳞片叶表皮细胞图像,下列说法不正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/18/1C9382FDD872418B7BF341E1A82B0176.png"><br>A.①为细胞壁,对细胞起支持和保护作用<br>B.④为液泡<br>C.②为细胞膜<br>D.遗传物质存在于④中<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0234463a8ee347de934415c471add506/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c78644d69f824f0cabc1e5a6938e797e/338571DB9A2BA0BF5041FACD4F55F90A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>植物的呼吸作用与光合作用分别在植物细胞的什么结构中进行( )<br>A.叶绿体、细胞核 B.液泡、细胞核<br>C.线粒体、叶绿体 D.线粒体、液泡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/37bf80bc3ad242058a735ac12d8b73a3/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/f25f5ae3ac404281a4337037f993f420/9A69EDDC1DCCFC6E30ADA8EAF9551E05.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>细胞是生物体结构和功能的基本单位,下列对下图的描述,正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/5/2D46EAAF5D054C9999082322E935B416.png"><br>A.①能将光能转化为化学能<br>B.②存在于所有细胞中<br>C.③是细胞的控制中心<br>D.④为各种生命活动提供能量<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/1d26607318ec4fcaa2528e5c14c37e38/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3f6d4d659d8c4f6aaf126eeda4d428c9/2413E8C3D3470267FC06ABE3084F064C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>细胞结构中能进行能量转换的是( )<br>A.细胞膜 B.细胞核 C.细胞质 D.线粒体<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/2BB966A0E0D0EF1A330D14E3ADEDA5C5.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/C4AA8B2A99D5D3568838310CA1439D07.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>用显微镜观察下列细胞,不能发现叶绿体的是( )<br>A.西瓜表层的果肉细胞 B.黄瓜表层的果肉细胞<br>C.洋葱根毛细胞 D.叶片的叶肉细胞<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/075412d0c9a649ffab8ca2a3ff79fbc7/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/6dd7697f91254ea4aea4094520699345/4FBA6BC3AD212A66D645033A119AB4D9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列结构中具有保护和控制物质进出细胞作用的是( )。A.细胞壁 B.细胞膜 C.细胞核 D.细胞质<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/faa509caa1cf446c894e7bc7c90ae50b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/7c2b034aec9b44bca7382d52cf7738af/552AF18F11D571477C49A7D07B6F9964.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>下图是植物细胞模式图。请据图回答下列问题。<img src="https://picture2.zhihuicn.com/testImage/2/2019/6/24/19673A488E6CBC6A9F016BAF262EBAD3.png"><br>1.在显微镜下观察洋葱表皮细胞,最外层是一层透明的薄壁,叫,起和作用。<br>2.在光学显微镜下,植物细胞中有一层结构看不清楚,这层结构叫。<br>3.大多数植物细胞中的叶是绿色的,主要是因为细胞中含有。<br>4.写出下列标号所代表的结构的名称。;;。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7bab267549044d7c87361a6dc2f80be1/8593B1EFCD35CCB8D2250A4EC5216181.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/7f096f15816c42bc8bfd95a054537432/70BE4B00BC3EFCF795F29E5FD5463DB0.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>下图是制作洋葱鳞片叶表皮临时细胞的实验步骤,请据图回答: <img src="https://picture1.zhihuicn.com/2/D42FFB4ED2331A6B643CE1D8F0879859.png"><br>style="VERTICAL-ALIGN:middle">1.图E的操作方法可避免;2.图G所滴液体为碘液,它可把细胞核内的染成深色,便于观察;3.临时装片制好后,应先置于高、低)倍镜下观察。现有某同学在观察中发现一细胞位于视野的右下方,要将其移到视野正中央,应将装片向移动。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/E2646AFAEA39C63CA27822400E532326.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/BB5351866496762F3E92CFB58DFFC0B2.png"><br><br>
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