全国各地中考真题:福建省2018年中考生物真题试题(含解析)
福建省2018年中考生物真题试题1.西瓜中甜味物质主要储存在细胞的A.液泡B.线粒体C.叶绿体D.细胞核【答案】A【解析】植物细胞的液泡里面有细胞液,细胞液内溶解着一些酸、甜、苦、辣的物质及色素。西瓜中甜味物质主要储存在细胞的液泡。2.从生物体的结构层次来看,树叶属于A.细胞B.组织C.器官D.植物体【答案】C【解析】叶的最外面是表皮,属于保护组织;里面的叶肉等部分含丰富的营养物质,属于营养组织,其内还有叶脉等输导组织,可见叶是由不同组织构成的一个器官。点睛:器官是由不同的组织按照一定的次序联合在一起构成的具有一定功能的结构。3.泌尿系统中形成尿液的器官是A.肾脏B.输尿管C.膀胱D.尿道【答...
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