八年级生物上册7.1.4《鱼类》练习题鲁科版.doc

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1、1第四节 鱼类 习题一、选择题1、草鱼是一种味美可口的淡水鱼。下列有关草鱼的特征中,属于鱼类主要特征的是( )A、身体呈长梭形 B、身体内有鳔 C、体内有脊柱 D、有鳍,用鳃呼吸2、下面三种水生动物,虽然它们形态各异,但是却有共同之处( )A、都有脊柱 B、都用鳍游泳 C、都能适应水中生活 D、都没有脊柱3、下列水生动物中,脊椎动物是( )A、海蜇 B、虾 C、螃蟹 D、海马4、在完成观察鱼鳍的实验后,小明同学对鱼鳍有了以下几种认识,其中不正确的是( )A、研究鱼鳍在游泳中的作用,可以采用模拟实验的方法B、鱼鳍有奇鳍和偶鳍之分C、鱼的运动只能依靠鳍进行D、鱼在游泳时,胸鳍、腹鳍和尾鳍的作用不完

2、全一样5、鱼之所以能够在水中自由自在的生活,下列特点中最关键的是( )A、鱼用鳃呼吸,用鳍辅助游泳 B、鱼必须在水中繁殖C、鱼的体形与水中生活相适应 D、鱼有鳞片6、 “四大家鱼”是指( ) A、青鱼、草鱼、鲢鱼、鳙鱼 B、青鱼、草鱼、鲤鱼、鲢鱼C、草鱼、鲢鱼、鲤鱼、鳙鱼 D、青鱼、草鱼、鲤鱼、鳙鱼7、混合放养的优势有许多,其中下列不正确的叙述是( )A、可以提高鱼的产量 B、充分利用饵料C、充分利用水体空间 D、食物相同,容易投放饵料8、人工鱼礁的作用是( )。A、大大保护野生的鱼类栖息环境 B、大大增加渔业的资源C、逐渐形成天然鱼礁 D、有利于珍稀野生鱼类的生存二、简答题9、简述鱼类生长的特点及其影响因素。27C学 科 网 , 最 大 最 全 的 中 小 学 教 育 资 源 网 站 , 教 学 资 料 详 细 分 类 下 载 !

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