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

Which element is found in all organic molecules?

  1. APhosphorus
  2. BSulfur
  3. CNitrogen
  4. DCarbon
2.简单

What is the main role of carbohydrates in the human diet?

  1. ATo form antibodies
  2. BTo provide a quick source of energy
  3. CTo build muscle tissue
  4. DTo carry the body's genetic information
3.简单

下列哪项描述的是细菌?

  1. A它们是单细胞的原核生物
  2. B它们不是细胞,而是蛋白质和 DNA 的颗粒
  3. C它们是有细胞核的单细胞真核生物
  4. D它们像植物一样是多细胞生物
4.中等

为什么很高的温度会使大多数酶停止工作?

  1. A热使酶瞬间分解成氨基酸
  2. B酶发生变性:其活性位点改变形状
  3. C底物变成了另一种酶
  4. D酶移动得太慢,无法遇到底物
5.中等

淀粉、糖原和纤维素有什么共同点?

  1. A它们都是储存能量的脂质
  2. B它们都是由葡萄糖单元构成的多糖
  3. C它们都是储存遗传信息的核酸
  4. D它们都是由氨基酸构成的蛋白质
6.中等

两个杂合亲本(Aa × Aa)杂交,且 A 完全显性。预期的表型比例是多少?

  1. A1 显性 : 2 中间型 : 1 隐性
  2. B3 显性 : 1 隐性
  3. C1 显性 : 1 隐性
  4. D全部显性
7.困难

Parts of a protein chain coil into alpha helices and fold into beta sheets, held by hydrogen bonds. Which level of protein structure is this?

  1. ATertiary structure
  2. BPrimary structure
  3. CSecondary structure
  4. DQuaternary structure
8.困难

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

  1. AEach predator eats many prey, so the pesticide builds up at each level
  2. BThe pesticide is broken down faster in insects than in plants
  3. CHawks make the pesticide in their own bodies
  4. DHawks eat the crops directly, so they take in the most pesticide of all

答案

  1. 1. D · Carbon
  2. 2. B · To provide a quick source of energy
  3. 3. A · 它们是单细胞的原核生物
  4. 4. B · 酶发生变性:其活性位点改变形状
  5. 5. B · 它们都是由葡萄糖单元构成的多糖
  6. 6. B · 3 显性 : 1 隐性
  7. 7. C · Secondary structure
  8. 8. A · Each predator eats many prey, so the pesticide builds up at each level

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