全国各地中考真题:甘肃省天水市2019年中考生物真题试题(含解析)
2019年甘肃省天水市中考生物试卷一、选择题(本大题共18小题,共18.0分)1.“野火烧不尽,春风吹又生”体现了生物的哪种特征( )A.生物的生活需要营养B.能对外界刺激作出反应C.能生长和繁殖D.能进行呼吸2.动物细胞分裂的顺序是( )①细胞质分成两份,每份各含有一个细胞核②细胞核一分为二,成为两个细胞核③细胞膜从细胞的中部向内凹陷、缢裂成两个细胞A.①②③B.②①③C.③②①D.①③②3.牛的体细胞内含有30对染色体,那么牛的卵细胞和受精卵中分别含有染色体的数目是( )A.30对、30对B.30对、30条C.30条、30条D.30条、30对4.下列选项中,都属于遗传病的是( )A...
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