:七年级第一学期生物期中试卷
一、选择题:(45分)
1.含羞草的叶片受到触动会自然下垂,这种现象是生物的什么特征的表现·····( )
A.生长 B.繁殖 C.应激性 D.新陈代谢
2.生活在沙漠地区的仙人掌呈针状,主要是由于哪种生态因素的影响造成的( )
A.阳光 B.水 C.土壤 D.温度
3.柑橘不宜在北方栽种,影响这一现象的主要生态因素是································( )
A.阳光 B.温度 C.水分 D.空气
4.现代生物学研究的重要方法是············································································( )
A.实验法 B.观察法 C.调查法 D.分类法
5.在做“响尾蛇是根据什么标记去追寻中毒的猎物”的实验时,将一只没有被蛇咬过的死老鼠用于实验的目的是······················································································( )
A.将响尾蛇咬过的死老鼠作为实验组 B.将它与响尾蛇咬过的死老鼠形成对照
C.研究响尾蛇是习惯袭击死的还是活的老鼠 D.作为重复实验以减少误差
6.如果在做实验时得到的结果与假设不一样,你不应该做的是························( )
A.修改实验数据,让它与假设相符 B.检查过程都没有问题,相信结论是正确的
C.检查过程是否有问题,重新做一次实验 D. 修改假设,让它与结果相一致
7.没有细胞结构的生物是························································································( )
A.病毒 B.草履虫 C.细菌 D.变形虫
8.能利用太阳光的能量,为动植物提供有机物和能量的结构是························( )
A.线粒体 B.细胞核 C.叶绿体 D.液泡
9.细胞中能将有机物中的能量释放出来的结构是················································( )
A.细胞膜 B.线粒体 C.细胞核 D.叶绿体
10.在观察细胞时,视野中出现了一个污点,移动玻片转动目镜,污点都没有动,则说明污点在················································································································· ( )
A.目镜上 B.玻片上 C.物镜上 D.反光镜上
1.含羞草的叶片受到触动会自然下垂,这种现象是生物的什么特征的表现·····( )
A.生长 B.繁殖 C.应激性 D.新陈代谢
2.生活在沙漠地区的仙人掌呈针状,主要是由于哪种生态因素的影响造成的( )
A.阳光 B.水 C.土壤 D.温度
3.柑橘不宜在北方栽种,影响这一现象的主要生态因素是································( )
A.阳光 B.温度 C.水分 D.空气
4.现代生物学研究的重要方法是············································································( )
A.实验法 B.观察法 C.调查法 D.分类法
5.在做“响尾蛇是根据什么标记去追寻中毒的猎物”的实验时,将一只没有被蛇咬过的死老鼠用于实验的目的是······················································································( )
A.将响尾蛇咬过的死老鼠作为实验组 B.将它与响尾蛇咬过的死老鼠形成对照
C.研究响尾蛇是习惯袭击死的还是活的老鼠 D.作为重复实验以减少误差
6.如果在做实验时得到的结果与假设不一样,你不应该做的是························( )
A.修改实验数据,让它与假设相符 B.检查过程都没有问题,相信结论是正确的
C.检查过程是否有问题,重新做一次实验 D. 修改假设,让它与结果相一致
7.没有细胞结构的生物是························································································( )
A.病毒 B.草履虫 C.细菌 D.变形虫
8.能利用太阳光的能量,为动植物提供有机物和能量的结构是························( )
A.线粒体 B.细胞核 C.叶绿体 D.液泡
9.细胞中能将有机物中的能量释放出来的结构是················································( )
A.细胞膜 B.线粒体 C.细胞核 D.叶绿体
10.在观察细胞时,视野中出现了一个污点,移动玻片转动目镜,污点都没有动,则说明污点在················································································································· ( )
A.目镜上 B.玻片上 C.物镜上 D.反光镜上
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