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。

新练习卷在线练习，附提示

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姓名: ____________________   日期: ____________

1.简单

Which enzyme unwinds the DNA double helix and separates the two strands for copying?

  1. AAmylase
  2. BLipase
  3. CHelicase
  4. DLigase
2.简单

Which piece of equipment gives the most precise measurement of a liquid volume?

  1. AA Petri dish
  2. BA graduated cylinder
  3. CA test tube
  4. DA beaker
3.简单

What is phagocytosis?

  1. AA cell engulfing large particles such as bacteria
  2. BA cell dividing into two identical daughter cells
  3. CA cell taking in small droplets of fluid
  4. DA cell releasing hormones by exocytosis
4.中等

在有丝分裂的哪个时期，染色体排列在细胞中部？

  1. A后期
  2. B前期
  3. C末期
  4. D中期
5.中等

In a food chain, producers hold 10 000 units of energy. Roughly how much is passed on to the primary consumers?

  1. AAbout 5000 units
  2. BAbout 10 units
  3. CAbout 10 000 units
  4. DAbout 1000 units
6.中等

是什么使粗面内质网看起来"粗糙"？

  1. A储存在其表面的脂肪滴
  2. B其膜内的叶绿体
  3. C附着在其表面的核糖体
  4. D融合在其外侧的溶酶体
7.困难

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

  1. AShe may have made anti-D antibodies that cross the placenta
  2. BThe second baby will be unable to make any red cells
  3. CHer red cells may become Rh positive after the birth
  4. DThe first baby's antibodies remain in her blood and attack her
8.困难

A mutation changes one amino acid in an enzyme. In which location is the change most likely to stop the enzyme from working?

  1. AOn the outer surface, far from the active site
  2. BIn a section that is removed after the protein is made
  3. CIn the active site
  4. DIn the gene's stop codon

答案

  1. 1. C · Helicase
  2. 2. B · A graduated cylinder
  3. 3. A · A cell engulfing large particles such as bacteria
  4. 4. D · 中期
  5. 5. D · About 1000 units
  6. 6. C · 附着在其表面的核糖体
  7. 7. A · She may have made anti-D antibodies that cross the placenta
  8. 8. C · In the active site

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