第6章(上) 多细胞生物体的结构
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
W.Y. Tan
Used 179+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
细胞分裂时,第一个进行分裂的是。。。。。
细胞膜
细胞核
细胞质
细胞壁
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
生命从。。。。开始
受精卵
胚胎
精子进入输卵管的时候
胎儿成型的时候
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
染色体在细胞分裂前大量被复制,细胞分裂后形成。。。。。
受精卵
染色质
细胞核
叶绿体
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列 哪一项不是细胞分裂对生物体的意义。
单细胞生物通过细胞分裂进行繁殖
多细胞生物通过细胞分裂使个体由小长大
多细胞生物通过细胞分裂以跟新衰老死亡的细胞
多细胞生物通过细胞分裂以产生不同功能的细胞
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
细胞分裂前,细胞会经历一个阶段,那个阶段是。。。。
细胞分化
细胞生长
细胞老化
细胞死亡
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
我们体内有不同的器官、组织、细胞,这是因为。。。。所导致
细胞生长
细胞分裂
细胞分化
细胞老化
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
人类有_______条染色体。
23
46
20
40
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