MDCAT Biology Most Repeated MCQs
Biology is 45% of the paper - 81 of 180 questions. These are the topics that keep coming back.
77 Biology questions indexed15 examinable chapters
Highest-yield Biology chapters
Ranked by the number of past-paper questions drawn from each. Topics PMDC removed in the 2025 revision are excluded - they cannot be examined, so they carry no yield however often they were asked before.
- 1.Cell Structure & Function11 · 2020
- 2.Biological Molecules9 · 2020
- 3.Inheritance8 · 2020
- 4.Bioenergetics7 · 2020
- 5.Coordination & Control7 · 2020
- 6.Biotechnology6 · 2020
- 7.Support & Movement5 · 2020
- 8.Homeostasis4 · 2020
- 9.Immunity4 · 2020
- 10.Acellular Life3 · 2020
- 11.Circulation3 · 2020
- 12.Evolution3 · 2020
- 13.Enzymes2 · 2020
- 14.Digestion1 · 2020
- 15.Reproduction1 · 2020
No repeated questions identified yet for Biology.Matching near-duplicate questions across years needs the full 2008–2025 archive loaded; only part of it has been ingested so far. The chapter frequencies above are real and drawn from what is loaded - but we will not present a list of “most repeated questions” we cannot actually evidence. Browse all Biology past-paper questions in the meantime.