山西省临汾市襄汾县2018-2019学年七年级上学期期末考试生物试卷
※题型：单选题※知识点：单选题※试题难度：中等<br>小明同学在显微镜下观察一种细胞,这种细胞具有细胞壁,细胞膜,细胞质,细胞核和液泡。那么这种细胞肯定不是( )<br>A.洋葱鳞片叶表皮细胞 B.苹果的果肉细胞<br>C.菠菜的叶片细胞 D.人的口腔上皮细胞<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/e19c20fa885b495388105fbbe6b4d1e8/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f3b828e7900b4a02b31fa00d162d2859/D4B7CFCA88988E9E789E7AECCF3A758D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列属于生态系统中生产者的是( )<br>A.细菌 B.真菌 C.绿色植物 D.动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6ce3cf20e9bd49e19c0d74fd3aafc665/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b03185a58b7340a8b2ef113fc0a6f1ae/8D2E226291A98873AB2B257BBD28E23D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>植物的生长需要多种无机盐,其中需要量最多的是( )<br>A.铁、镁、钙 B.氮、磷、钾 C.氮、铁、锌 D.硼、钾、钼<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/db89d028ff724577bdc86d4b43eae0e8/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b7b8f66fe93445febf9018671cb99a77/E1C524634E96735077F1D09719AF71E2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>取一粒浸软的玉米种子(果实),用刀片将种子从中央纵向剖开.在剖面上滴一滴稀释的碘酒,再用放大镜仔细观察,被碘酒染成蓝色的是( )A.果皮和种皮 B.胚<br>C.胚乳 D.胚芽、胚轴、胚根、子叶<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d1ba79cbea3340348f25a9bcf7c31077/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d31cc2cc5877454c9df8b964e5bd29bf/65127782D717A0647B469D23A2420857.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>吃西瓜时会感到很甜,是因为西瓜中含有大量的糖分,这些糖分主要存在于西瓜细胞的( )<br>A.细胞质中 B.细胞核中 C.细胞壁中 D.液泡中<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/18f6bf3fc79e460e984002317cef952a/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/130d9cc4b01642639c89dabb8d86cfc5/77B93CD6CF16804FDF89457580DDD40A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>阳光下,一株绿色植物所能进行的生理活动有( )<br>A.光合作用和呼吸作用<br>B.光合作用和蒸腾作用<br>C.呼吸作用和蒸腾作用<br>D.光合作用、呼吸作用和蒸腾作用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0f9416fdf9ea44338b4b30e1cb7aa10e/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f5e172dc018f4a22b9621b3195ce0403/587F32C5EE63072E1894C1AF3F1B8074.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>几位同学利用如图装置研究水稻种子萌发的条件,其中发芽率最高的处理方式是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/9/28/E1FC81A35DB0DBCEE887EB520C47303D.png"><br>A.不加水,0℃ B.水保持在①处,25℃<br>C.水保持在①处,0℃ D.水保持在②处,25℃<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/9a6da308b1a647888367ea2f3f0b13e8/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/afc36d1c2f874eec9c89ec8eb8905940/36277B19609448271F9EBFEEA9BDFBBC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“麻屋子,红帐子,里面住着个白胖子”形象地描述了花生的结构。在花生的个体发育过程中,发育成“麻屋子”和“白胖子”的分别是( )<br>A.胚珠和受精卵 B.受精卵和胚珠<br>C.子房壁和受精卵 D.子房壁和胚珠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/545cdc6f271141688afe09fb23faa422/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/baa83f72443443a38f02f7159d2be103/21E74A2D4F213043125C8151329948B3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>适合在四季分明,夏季炎热多雨,冬季寒冷的地区生活的植被是( )<br>A.热带雨林 B.针叶林 C.落叶阔叶林 D.常绿阔叶林<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d8be295bff514c218a46e6d0663d3ad6/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/65024f3f1c004793bee30da23f56ac8f/93FDCF621BF59709AD8D6CF9088BF4B6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>温室大棚栽培蔬菜时,夜间常常适当降低大棚内的温度,其最主要的目的是可使( )<br>A.病虫害的减少<br>B.呼吸作用减弱,有机物消耗减少<br>C.蒸腾作用减弱,减少水分的散失<br>D.光合作用增强,有机物积累量多<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7c1982d4c8144ac89071d8b20696e155/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8d200d64fbb64f808da48acd754769dc/A035676D7FBCE04587C20452211E5993.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>生物体由小长大是与细胞的<br>、<br>和<br>分不开的。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b80a42c95b294ba2ac97bff6fd1a6ea7/877360123E4D01A788889FFDB5EEC9CC.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/019750c643a848058335adbb2ec1c2b8/6B5BDC99450E1FD0B2B6FEAF07346094.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>植物当作监测空气污染程度的指示植物<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7aac60355855441099914f223cdade05/0B72303ED2DE168DBEE28DAAD124B6D9.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ee8040347fe5414890080521aa8d46f8/D2164A09FBCFC3883F9E68AA55517DC3.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>绿色植物通过<br>作用参与生物圈的水循环,通过<br>作用维持了生物圈的碳氧平衡<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c07215794b474fe5a2d3a325533154fc/6E516550C5B85F02BECD3972918763E7.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6d0c318b5ff34909b2e3502484dfcc81/7A60C5E36A99353C0B57232383B6070F.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>如图表示植物体内有关生理活动示意图,其中<br>①<br>、<br>②<br>为相关气体。请回答:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/9/28/FEBB1A3A058F034E92FFF4A60CC6EDD3.png"><br>(<br>)若<br>②<br>代表水蒸气,则水蒸气是通过<br>______<br>作用散失到大气中去的。<br>(<br>)若该图表示光合作用,则<br>①<br>代表的气体为<br>______<br>②<br>代表的气体为<br>______<br>。若<br>①<br>代表氧气,<br>②<br>代表<br>______<br>,则该图表示的生理活动为<br>______<br>作用。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5e28ebaccfb04724a5751dffde137032/57AF28B8F11B3C4B3CAB1D44EF38379F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9177acb313534aca962dc983b7f5b578/C2898E826FB890A1A2825F9A3DB6518C.png"><br><br>
页:
[1]