全国各地中考真题:甘肃省武威市、白银市、定西市、平凉市、酒泉市、临夏州2016年中考生物真题试题(含解析)
武威市2016年中考试题生物部分一、单项选择题(本大题包括6道小题,每小髓2分,共12分)1.小李同学选用10x的目镜和40x的物镜,观察口腔上皮细胞临时装片,这时显微镜的放大倍数是()A.10倍B.40倍C.50倍D.400倍解析:显微镜的放大倍数=物镜倍数x物镜倍数所以:放大倍数=40x10=100选择D2.“面皮于”是武威地区很受欢迎的一种小吃。面皮主要是用小麦种子磨成的面粉制成的,那么面粉主要来自小麦种子结构中的()A胚芽B.胚乳C.胚根D.种皮解析:单子叶植物种子营养物质存在于胚乳中,双子叶植物种子营养物质存在于子叶中。小麦种子是单子叶所以选择B3.肺是呼吸系统的主要器官,其主要功能...
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