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IB生物真题

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2013年11月IB生物SL真题下载-Paper1

2021-07-27

2013年11月IB生物SL真题下载-Paper1

1. The bar chart shows the mean length (in cm) of two lizard species. The error bars represent the standard deviation. What can be understood from the bar chart?

A. Group 1 lizards are longer than all group 2 lizards.

B. Group 2 lizards are longer than all group 1 lizards.

C. Group 2 has same mean as group 1.

D. Group 2 lizards can be longer than group 1 lizards.

 

2. What identifies the structure and function of flagella and pili?

3. Which property of cells is evidence for the cell theory?

A. Cells have proteins.

B. Cells can divide.

C. Cells have nucleic acids.

D. Cells can move around.

 

4. What identifies plant cells and animal cells?

5. Which is the sequence of events in mitosis?

A. metaphase, anaphase, telophase, prophase

B. anaphase, prophase, telophase, metaphase

C. telophase, prophase, metaphase, anaphase

D. prophase, metaphase, anaphase, telophase

 

6. Which are functions of membrane proteins?

A. Hormone binding sites and DNA replication

B. Cell adhesion and translation

C. Cell to cell communication and protein pumps

D. Passive transport and glycolysis

 

7. Which types of molecule are shown in the diagrams?

8. Which are functions of lipids?

A. Hydrophilic solvent and energy storage

B. Hydrophobic solvent and membrane potential

C. Thermal insulation and energy storage

D. Thermal insulation and hydrophilic solvent

 

9. In enzyme experiments, the rate of enzyme activity often gradually decreases. What is most likely to cause this decrease?

A. The temperature decreasing

B. The enzyme concentration decreasing

C. The pH decreasing

D. The substrate concentration decreasing

 

10. What is light energy used for in photolysis?

A. Formation of hydrogen and oxygen

B. Formation of carbon dioxide only

C. Formation of ATP and glucose

D. Formation of oxygen only

2013年11月IB生物SL真题余下省略!


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IB生物真题

  • IB生物学习内容/难点一文搞懂!哪些学生适合学IB生物?犀牛教育IB暑假班等你来!
  • 2020年11月IB生物SL真题下载-Paper3
  • 2020年11月IB生物SL真题下载-Paper2
  • 2020年11月IB生物SL真题下载-Paper1
  • 2019年11月IB生物SL真题下载-Paper3
  • 2019年11月IB生物SL真题下载-Paper2
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