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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