今天学通国际教育老师为大家分析IGCSE生物课程考点。

　　1. Cells

　　比较简单，一般不会有大题

　　2. Movement in and out of cells

　　a.一定要背diffusion，osmosis和active transport的定义

　　b.考题一般和其他章节一起考。

　　比如植物根如何吸收水(osmosis)，吸收无机盐(active transport)吸收氧气(diffusion)

　　3. Chemicals of life

　　a. 记住food test

　　b. balanced diet

　　c. 记住每种营养物质的作用

　　carbohydrate， fat，protein，cellulose，vitamin(C&D)，minerals(Fe&Ca)and water的作用

　　d. carbohydrate， fat，protein，cellulose的组成单位

　　4. Enzymes

　　a. enzyme 的6大特征

　　(1protein, 2catalyst, 3specific, 4optimum ph,5 optimum temperature, 6denature at high temperature)

　　b. lock & key

　　c. describe & explain 温度和酶的关系

　　d. Fermenter

　　f. biological washing powder

　　5. Plant nutrition

　　a. 光合作用方程式

　　b. 叶片的结构和各部分的特征以及功能

　　(waxy cuticle, upper epidermis, palisade mesophyll, spongy mesophyll, vein, lowerepidermis, guard cell)

　　C. guard cell 如何控制气孔大小

　　(gas exchange, photosynthesis and transpiration)

　　d. 缺magnesium和nitrate 对植物的影响

　　f. limiting factors 对光合作用的影响

　　Animal nutrition

　　1. tooth decay

　　2. for and against fluoride

　　3. adaptations and functions of ileu

　　4. function of duodenum

　　5. function of liver

　　6. function of pancreas

　　7. functions of stomach

　　Transport

　　1. structure of heart

　　2. differences between artery, vein and capillary

　　3. adaptations and functions of red blood cell

　　4. adaptations of functions of lymphocyte and phagocyte

　　5. HIV

　　7. functions of platelets

　　8. cardiac cycle

　　Respiration

　　1. bad effects of smoking

　　Coordination and response

　　1. Structure of eye

　　2. endocrine system vs nervous system

　　3. describe iris reflex, accommodation reflex, withdrawal reflex

　　4. adrenaline

　　5. cones vs rods

　　6. voluntary vs involuntary

　　Homeostasis and excretion

　　1. how to maintain body temperature

　　2. how to regulate blood glucose level

　　3. the structure of kidney

　　4. the structure of nephron and the functions of each part

　　5. dialyasis vs kidney transplantation

　　6. tissue rejection

　　Drugs

　　1. bad effect of heroin

　　2. bad effect of alcohol

　　3. the evoluation of antibiotic-resistant bacteria

　　Reproduction

　　1. sexual reproduction vs asexual reproduction

　　2. 4 hormones in menstrual cycle ( FSH,LH, oestrogen and progesterone)

　　3. secondary characteristics of male and female

　　4. formular milk vs mother's milk

　　5. functions of placenta

　　6. sperm vs egg

　　7. functions of amnion

　　8. birth control

　　9. treatment of gonorrhoea

　　10. HIV

　　11. wind-pollination vs insect pollination

　　12. germination

　　Inheritance and evolution

　　1. maria VS sickle cell anaemia

　　2. codominant (ABO blood type)

　　3. the process of making insulin from Gene-modified bacteria

　　4. Natural selection

　　Living organisms in their environment

　　1. energy loss along food chain

　　2. nitrogen cycle

　　3. carbon cycle

　　4. describe and explain population curve

　　Humans and the environment

　　1. acid rain

　　2. deforestation

　　3. bioaccumulation of pesticide

　　4. radiactive pollution

　　5. plastics

　　6. sewage(containing nitrate and organic substances)

　　B. the purpose and measure of

　　1. preservation of species

　　2. limited resources (minerals , forest)

　　3. water

　　以上就是IGCSE生物课程考点分析的介绍，想要了解更多IGCSE课程的信息，可以咨询学通国际教育老师。