辽宁省灯塔市第二初级中学2017-2018学年八年级下学期期中考试生物试题

适用年级:初二
试卷号:352692

试卷类型:期中
试卷考试时间:2018/5/12

1.综合题(共1题)

1.
下图为生物进化的历程示意图,据图回答

(一)、填出图中所指结构名称
1 _______________ 2______________3_______________4_____________
5_________________6_______________ 7________________ 8________________
(二)按题意写出正确答案
1如果外界条件满足继续发育的要求,能够发育为雏鸟的是___________
2为胚胎发育提供氧气的是 ___________
3起到保护内部物质作用的是 _____________
4发育过程中,起到提供营养作用的是_________________________

2.单选题(共11题)

2.
在酵母菌培养液中,许多酵母菌细胞上还连接着一个或多个小细胞,这是酵母菌正在进行:
A.有性生殖B.营养生殖C.嫁接D.出芽生殖
3.
蟋蟀与家蚕相比,不经过的发育时期是
A.蛹B.幼虫C.受精卵D.成虫
4.
青蛙不能成为真正的陆生动物的原因是
A.体温不恒定B.生殖离不开水
C.皮肤辅助呼吸D.变态发育
5.
“春蚕到死丝方尽”是古人的误解。其实,蚕吐尽丝时并未死亡,只是发育成不吃不动的
A.卵B.幼虫
C.蛹D.成虫
6.
根据植物生殖有关知识,要想让同一桔子树上结出不同口味的桔子,你认为最好采用的方法是
A.组织培养B.嫁接C.扦插D.播种
7.
妈妈和女儿都是卷发,这种现象称之为
A.变异B.性状C.遗传D.相对性状
8.
如果两只白色绵羊交配后,生了一黑一白两只小绵羊。若用A表示显性基因,a表示隐性基因,则所生小白绵羊的基因组成是
A.aaB.Aa或AAC.AaD.AA
9.
下列那种现象能体现生物界既有遗传现象又有变异现象(    )
A.种瓜得瓜,种豆得豆B.父子都是双眼皮
C.牛的后代还是牛D.黑猫生下花猫
10.
下列人体的各种性状中,属于相对性状的是()
A. 黄皮肤和黑眼睛     B. 身高和体重
C. 双眼皮和大眼睛     D. 双眼皮和单眼皮
11.
下列关于遗传病及其可能病因的说法中,错误的是(  )
A.遗传物质发生改变引起的疾病
B.由致病基因控制的疾病
C.可通过父母遗传给孩子的疾病
D.健康的人都没有致病基因
12.
正常情况下,某男子将Y染色体上的某一突变基因传给儿子的概率是()
A.0%B.25%C.75%D.100%

3.选择题(共2题)

13.阅读下面短文,掌握其大意。然后从各题所绘的A、B、C、D四个选项中选出最佳答案。

B

    Do you like reading stories? Maybe you will answer, "No, I am not a child any more!" Yes, children all over the world always love stories.

    Chinese children are 1 in Monkey King's story. It 2 a popular bedtime story in China for many years. In fact, adults also love the story a lot. For them, Monkey King has become a very 3 part in the memory of their childhood. The clever and humorous monkey 4 the hearts of many Chinese people. British boys and girls all know Alice's Adventures in Wonderland well. As the name shows, it's a story full of dangerous but exciting trips. Children 5, cry and even get frightened(害怕的) with Alice together while reading the story. Most American kids have read The Adventures of Tom Sawyer, by the famous 6, Mark Twain. Everyone likes the brave boy who also has lots of 7. Some scenes(场景) of the story may make your heart go faster, for Tom and his friends meet some very bad men and are usually 8. Of course in the end, they beat the bad ones.

    You may also ask me 9 I like stories. Yes, I have liked them since I was very young. At that time, I often 10 all my pocket money on story books. For me, stories are much more delicious than chocolate! They help me learn a lot. So either young or old, let's enjoy stories.

14.语法填空

    This is the first time John{#blank#}1{#/blank#}(visit)Xiao Li's hometown-Xiamen. It has been 6 years {#blank#}2{#/blank#}John and Xiao Li last saw each other and John thinks that this is one of the most{#blank#}3{#/blank#}.(attract) places that he has been to in China. Xiao Li says he feels fortunate living a city{#blank#}4{#/blank#}the coast in spite of so many{#blank#}5{#/blank#}(tour) in the summer.

    There are some shopping malls from {#blank#}6{#/blank#} John could buy a few presents and a huge apartment block , but the rent for an apartment is very{#blank#}7{#/blank#}. After{#blank#}8{#/blank#}(leave)the business district , they approached the harbor.

    Gulangyu Island is a gorgeous island with some interesting{#blank#}9{#/blank#}(architectural).When they stopped, they had lunch in a fish restaurant because John is{#blank#}10{#/blank#} (starve).

试卷分析
  • 【1】题量占比

    综合题:(1道)

    单选题:(11道)

    选择题:(2道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:1

    5星难题:0

    6星难题:7

    7星难题:0

    8星难题:2

    9星难题:2