BBO学术活动最初是给英国高中生准备的,从2016年起,ASDAN中国(阿思丹学院)首次将该学术活动引入中国。优胜者除了可以直接获得英国生物奥赛金银铜牌,还可以大大增加世界名校医学、生物等理工科专业申请优势,获奖者还将有机会获得国际顶级科学类活动邀请。
据官方消息,2020 年,共有 243 所国际高中和重点中学的代表参与了该活动。下一次学术活动时间:2022年4月9日(周六),13:00-14:30(90分钟)报名截止时间:2022年3月30 日
BBO生学术活动部分真题解析:
(篇幅有限,仅展示部分真题)
1.内质网是哪个膜的延伸?
A. 外细胞膜/单位膜
B. 外核膜
C. 内核膜
D. 多孔膜
E. 液泡膜
解析:内质网Endoplasmic reticulum与细胞核膜nuclearmembrane形成连续的结构;除此之外,nuclearmembrane是doublemembrane,ER是核外结构,与外膜outernuclearmembrane相连。
2. Which of the following combinstions of statements is correct?
1. Most cells are capable of phagocytosis.
2. Phagocytosis involves uptake of larger particles than pinocytosis.
3. In any given time period the volume of endocytosed matter is about twice that of exocytosed matter.
4. Pinocytosis uptakes molecules selectively according to the needs of the cell.
5. Receptor-mediated endocytosis can be an entry point for viruses.
A. land4 B.2and 5 C.1,3and5 D.2,3and 4, E. all of them
Answer: B
3. Which of the following would you expect to be absent, or very rare, on acid soils, deficient in calcium?
A. protozoans
B. snails
C. insects
D. calcifuge plants
E. mosses
Answer:B
备考BBO,刷题资料必不可少
由于BBO学术活动没有官方公布的真题, 想要刷题的童靴可以扫码免费领取!
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