The details below are for your reference only. They might be subjected to change every year.

Target to aim for the following levels:

Lv5** (>80%), Lv5* (>73%), Lv5 (>65%), Lv4 (>55%), Lv3 (>45%)

Ref: https://afterschool.com.hk/blog/532-dse-bio-cut-off/

「-」破折號代表無數據、「*」星星代表推測數字

HKDSE Elective Subjects:Biology
https://www.hkeaa.edu.hk/en/hkdse/hkdse_subj.html?A2&2&5