全国各地中考真题:安徽省2019年中考生物真题试题(含解析)
2019年安徽省中考生物试卷一、选择题(本大题共10小题,共20.0分)1.如图是动物细胞结构示意图,控制物质进出细胞的结构是( )A.细胞膜B.细胞质C.线粒体D.细胞核2.玉米田中有杂草,有玉米螟等害虫,还有以害虫为食的天敌。下列关于该生态系统的叙述,错误的是( )A.该生态系统中玉米是生产者B.杂草和玉米之间是竞争关系C.玉米螟和它的天敌之间是捕食关系D.玉米田中物种少,自我调节能力强3.如图是桃花的结构示意图,经传粉受精后能发育成果实的结构是( )A.①B.②C.③D.④4.经化验发现,某肾病患者的尿液中有较多的蛋白质。可初步判断,该患者肾脏发生病变的部位最可能是( )A.肾小...
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