2024年BBO&USABO生物竞赛考试落幕,参加USABO&BBO的考生一定非常迫切的想对答案,看看自己得了多少分,能不能拿奖?同时还在观望的同学也想看看今年USABO&BBO的考试难度,做好准备。
2024年USABO&BBO真题解析
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2024BBO&USABO考试知识点分析
下文以USABO为例:本次USABO,仍然按照惯例考了10道Cell Biology题目:7道Plant Biology题目,13道Animal Biology题目,3道Ethology题目,9道Genetics 题目,5道Ecology题目和3道Biodiversity题目。
考察的知识点包括:
Organelle
Western?Blot
Amino?acid?charge
Ribosomes?RNA
Nucleic?acid?charge
Steroid?hormone?receptor
Plant?cell?wall?synthesis
Gram?stain
Translation?initiation
Plant?hormone?and?growth
Plant?water?retention
Fern?indusium
Flower?ABC?hypothesis
Plant?immunity?against?bacteria
Ethylene?triple?response
Plant?heart?wood?and?sap?wood
Animal?Limb?development
Muscle?sliding-filament?model
Lymph?system
Heptal?portal?vein
Nephron?Distal?Tubule
Blood?components
Amino?acid?neurotransmitter
CD8?cytotoxic?T?cell
Thalamus?and?Cerebrum?lobes
Hemoglobin?Bohr?effect
Hypothalamus-anterior?pituitary-gonad?hormone?system
Resting?potential
Lipid?digestion
Circannual?rhythm?(Seasonal?rhythm)
Optimal?foraging?model
Lethal?gene
X-linked?gene
Hardy-Weinberg?equilibrium
Blood?type?ABO
Sex?-?influenced?gene
Selections
Inherited?disease
Gene?conservative?evolution
Virus?evolution
Bottom?up?regulation?in?community
Species?diversity
K-selection?&?r-selection
Community?interspecies?relationship
Phosphorus?Cycle
Fungi?diversity
Invertebrate?water?vascular?system
Mammal?evolutionary?tree
总体而言,和往届题目相比,难度有所增加,美国赛区平均分仅为16分。
BBO&USABO竞赛区别对比
题型不同
◆BBO竞赛包括选择题、填空题和排序题等,试卷为中英双语
◆USABO竞赛50道选择题,试卷为英语
考试时长不同
◆BBO竞赛考试时长为1个半小时
◆USABO竞赛考试时长为50分钟
考试内容不同
◆BBO竞赛以Alevel生物为基础,同时加大难度,拓宽了知识面,涵盖AS和A2年级所有内容,及一些大学生物级别知识点,让考生进行深入思考。
◆USABO竞赛考察内容非常广泛,题目难度大,部分属于大学水平或更高,对考生来说属于挑战性考试。
为什么参加USABO&BBO
USABO:USABO获奖者被清北、哈佛、斯坦福、牛剑等众多世界名校青睐,中国赛区金奖率10%
BBO:BBO官方称获奖率高达60%,被剑桥的学术活动清单推荐,G5牛剑生物相关专业的offer中几乎都有BBO
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