2020-2021学年生物苏教版七年级上册同步实验室（十八）观察：果实的结构
※题型：单选题※知识点：单选题※试题难度：中等<br>“麻屋子红帐子,里面住蓉白胖子”说的是花生的果实,结合下面的概念图分析,下列叙述错误的是( )<imgA.①是指子房壁 B.“麻屋子”指的是果皮<br>C.“红帐子”指的是种皮 D.“白胖子”指的是②<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d757bc3d40914262b52541ba5f499529/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/4e73a15b4d8e4b0b9ba8c120c6fc4385/11FAF7876254FF383E744CA810E5D713.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。”这是描写花生的谜语,其中“麻屋子”由何种结构发育而来( )<br>A.子房壁 B.胚珠 C.子房 D.珠被<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7730ac6bf357469eab932aa4627aef67/C6DD893B0461FAD877175A7ECBBD5939.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/ade06fd2d8cd4d24970a9f9dc930d30d/1944A167E9CD55C10482095B44FAD32C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>农业生产中,习惯上称之为种子的果实为( )<br>A.菜豆种子 B.玉米种子 C.蚕豆种子 D.花生种子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/270cf209b7254ba49d5a72a5919b68c9/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/b9f2736f9a2d424b8135ab054a67fb9d/F31103108264F6A0ECCBC72FB3A81615.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>3个苹果,4粒绿豆,5个西瓜,6粒麦粒,其中共有多少个果实( )<br>A.8个 B.12个 C.14个 D.18个<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/342dd4c5846b46bfb548d950ddb6bf86/06CA09E70C17EF8BA2D3B8C70D693953.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>下列四个选项中,不是果实的是( )<br>A.一粒小麦 B.一粒松子 C.一粒谷子 D.一粒葡萄<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/11c01d40f0774c86912b358578b283be/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/5949e6901bb14997b97af103232794c7/C953A510C17AA905F84045AD7ADFA39C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在生物学中,我们所说的果皮是指( )<br>A.子房发育成的部分 B.果实最外侧的皮<br>C.子房壁发育成的部分 D.花托发育成的部分<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4fa7e691a0a640bd979bd524dc74e8ba/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/71ad3766d0cf49b5910214366f62170f/8CA8FE2640BCB7D0F7AE0580BE7D7409.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下面关于花和果实的叙述,不正确的是( )<br>A.花粉存在于雄蕊的花药中<br>B.摘除桃花的雌蕊后,这朵花就不会发育成果实<br>C.苹果的食用部分由胚珠发育而来<br>D.花生果实的外壳由子房壁发育而成<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/C2ED08ACBE467CBACCA151CC8339B3FB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>板栗外面褐色而坚硬的壳是由子房壁发育而成的,所以板栗就是( )<br>A.种子 B.果实 C.果皮 D.胚<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4d10722f75e54596becfb9fd96feef8b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/ae78ebddead9497a9b77bdc9493fbe13/1DCCD126DB9F50E7C706BA7A359EA830.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>图1和图2分别为花生和桃的果实结构图,以下关于二者的说法正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/9/2/DFEFCE88D86809AA3C3A24F9F9164091.png"><br>A.花生是双子叶植物,桃是单子叶植物<br>B.通常食用的部分都是由二者的子房壁发育来的<br>C.图中②和A中的胚均由胚芽、胚轴、胚根和胚乳组成<br>D.二者的种子都有果皮包被.所以都是被子植物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/8f8d82c48f4d45dfbc6e6a90e795c4e5/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/4d48fe6afd504647954a74f3c9026f31/22F4A81DDD3412AC570585FE1FF3F74C.png"><br><br>
页:
[1]