护理入学考试生物练习卷（附答案）

免费可打印的护理入学考试生物练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

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姓名: ____________________   日期: ____________

1.简单

某生物的基因型为 Bb。应如何描述？

  1. A隐性纯合子
  2. B显性纯合子
  3. C杂合子
  4. D单倍体
2.简单

What is the main job of the large central vacuole in a plant cell?

  1. AIt assembles proteins from amino acids
  2. BIt stores water and keeps the cell firm
  3. CIt copies DNA before the cell divides
  4. DIt captures light energy for photosynthesis
3.简单

What is apoptosis?

  1. AUncontrolled cell division
  2. BProgrammed cell death
  3. CDivision of the cytoplasm
  4. DFusion of two gametes
4.中等

转录过程中发生什么？

  1. A根据 mRNA 信息构建蛋白质
  2. B分裂前复制整个 DNA 分子
  3. C氨基酸在核糖体上连接起来
  4. D以 DNA 为模板合成基因的 mRNA 拷贝
5.中等

科学家为什么要重复实验或使用许多研究对象？

  1. A避免需要对照组
  2. B确保假设被证明为真
  3. C每次都改变自变量
  4. D减少偶然性对结果的影响
6.中等

Why does each type of virus infect only certain kinds of cells?

  1. AIt can only enter cells that have no nucleus
  2. BIt must find cells with the same DNA as its own
  3. CIt can only enter cells that are dividing by meiosis at that time
  4. DIt must attach to specific receptor proteins on the cell surface
7.困难

血友病是 X 连锁隐性遗传。一位携带者母亲（XᴴXʰ）和一位未患病的父亲（XᴴY）生了一个儿子。他患血友病的概率是多少？

  1. A1/4
  2. B1/2
  3. C0
  4. D1
8.困难

Why are organ transplant patients usually given drugs that suppress the immune system?

  1. AThe drugs change the donor organ's DNA so that it matches the patient
  2. BThe drugs help the new organ to grow larger
  3. CThe donor organ contains bacteria that must be killed
  4. DTheir immune system would recognise the donor cells as foreign

答案

  1. 1. C · 杂合子
  2. 2. B · It stores water and keeps the cell firm
  3. 3. B · Programmed cell death
  4. 4. D · 以 DNA 为模板合成基因的 mRNA 拷贝
  5. 5. D · 减少偶然性对结果的影响
  6. 6. D · It must attach to specific receptor proteins on the cell surface
  7. 7. B · 1/2
  8. 8. D · Their immune system would recognise the donor cells as foreign

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