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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筑梦牛剑/G5/常春藤