IB生物常见问答题分享来了 11个Topic的问题都给你总结好了

同学们都知道IB生物考试的难度还是蛮大的，因此需要同学们提前准备好知识点，本期给大家总结了11个Topic中IB生物常见问答题，复习的同学们这些题一定要会做！

IB生物常见问答题

Topic 1

Distinguish between prokaryotic cells and eukaryotic cells. [5]

Outline the therapeutic use of stem cells. [5]

Explain how the properties of phospholipids help to maintain the structure of cell membranes. [4]

Outline four types of membrane transport, including their use of energy. [4]

Describe the events that occur during mitosis. [6]

Topic 2

Explain the importance of hydrogen bonding for living organisms. [7]

Distinguish between fibrous and globular proteins with reference to one example of each protein type. [4]

Outline how enzymes catalyse reactions. [5]

Explain the effect of changes of pH, substrate concentration and temperature on enzyme activity. [6]

Outline the production of lactose-free milk. [3]

Distinguish between the structures of DNA and RNA.  [3]

Explain how glucose is used in both anaerobic and aerobic cell respiration. [5]

Topic 3

Explain the cause of sickle cell anemia and how this disease affects humans. [8]

Outline the processes that occur during the first division of meiosis. [5]

Explain how males inherit hemophilia and how females can become carriers for the condition. [8]

Outline the process of DNA profiling. [4]

Explain the process of geneticlly modifying bacteria. [8]

Topic 4

Explain the processes by which energy enters and flows through ecosystems. [6]

Outline how the energy flow through food chains limits their length. [5]

Discuss the processes in the carbon cycle that affect concentrations of carbon dioxide and methane in the atmosphere and the consequences for climate change. [8]

Topic 5

Explain how evolution may happen in response to an environmental change. [6]

Topic 6

Explain the importance of enzymes to human digestion. [5]

Describe the processes involved in absorbing different nutrients across the cell membrane of villus epithelium cells lining the small intestine. [5]

Explain how the circulatory system is able to transport the blood under high pressure from the heart to the rest of the body. [5]

Outline how cuts in the skin are sealed to prevent blood loss. [4]

Explain the role of cells in the defence against infectious disease. [7]

Discuss the transmission and social implications of AIDS. [7]

Explain how ventilation and lung structure contribute to passive gas exchange. [7]

Explain the events that occur during a nerve impulse and how the impulse is propagated along an axon. [7]

Discuss the control of blood glucose levels and the consequences if they are not maintained.[8]

Outline the roles of estrogen and progesterone in females during human reproduction. [4]

Topic 7

Explain the roles of different enzymes in DNA replication in Prokaryotes. [7]

Explain the control of gene expression in eukaryotes. [7]

Topic 8

Explain how chemical energy for use in the cell’s generated by electron transport and chemiosmosis. [6]

Explain the processes by which light energy is converted into chemical energy. [8]

Topic 9

Describe how water is transported in Angiospermophyte. [7]

Explain how organic compounds are transported within plants. [7]

Topic 10

Explain how meiosis results in an effectively infinite genetic variety of gametes. [7]

Explain how natural selection can lead to speciation. [7]

Topic 11

Explain the production and role of antibodies in defense against bacterial pathogens in humans. [7]

Explain the process of muscle contraction. [7]

Explain the role of the kidney in osmoregulation. [8]

Compare and contrast the processes of spermatogenesis and oogenesis.  [5]

IB生物常见问答题就给大家分享到这里了，如果你已经完成了自己的选课，却发现学习进度没有想象中的好把控；或者明明已经很努力了，涨分就是很慢，点击预约试听【IB培训班】，28门科目同步培训，TOK、IA、EE也能搞定。

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盘点那些IB生物复习难点 你的生物拿不到7分的原因都在这里了

IB生物实验题操作步骤 这几个常考的生物实验平时一定要重点练习

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