Intellectual Olympiad in Biology - 2026 ongoing

Subject: Biology
Level: II
Category: student
Quiz questions: in Chinese
Example question: 在显微镜下观察洋葱鳞片叶内表皮细胞时，最适合用来染色以便观察细胞核的试剂是： 碘液, 清水, 稀盐酸, 碘-碘化钾溶液以外的稀释红墨水